What color is #1B645B?

#1B645B is a dark, moderate spring green, closest to the named color Philodendron. It belongs to the teal family of colors.

What is the RGB value of #1B645B?

The RGB value is 27, 100, 91: 27 red, 100 green and 91 blue on a 0 to 255 scale.

What is the complementary color of #1B645B?

The complementary color is #641B24, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B645B?

White text. Black text has a contrast ratio of 3.02:1 and white text 6.95:1. WCAG asks for at least 4.5:1 for normal text.

#1B645B color

#1B645B rgb(27, 100, 91)

Shades of teal

The hex color #1B645B is a dark, moderate spring green.

In the RGB color model it is made of 10.6% red, 39.2% green and 35.7% blue (27, 100, 91).

Its hue angle is 173°, with 57% saturation and 25% lightness. For print, the CMYK equivalent is 73% cyan, 0% magenta, 9% yellow and 61% black.

The closest named color is Philodendron (#116356), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.95:1).

#1B645B color codes

HEX	`#1B645B`
RGB	`rgb(27, 100, 91)`
RGB percent	`rgb(10.6%, 39.2%, 35.7%)`
HSL	`hsl(173, 57%, 25%)`
HSV / HSB	`hsv(173, 73%, 39%)`
CMYK	`cmyk(73%, 0%, 9%, 61%)`
CIE LAB	`lab(38.02, -24.32, -1.34)`
CIE LCH	`lch(38.02, 24.36, 183.16)`
CIE XYZ	`xyz(6.897, 10.102, 11.482)`
Decimal	`1795163`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B645B, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #1B645B	Ratio	AA	AAA	AA large
Sample text	3.02:1	Fail	Fail	Pass
Sample text	6.95:1	Pass	Fail	Pass

#1B645B as text on	Ratio	AA	AAA	AA large
Sample text	6.95:1	Pass	Fail	Pass
Sample text	3.02:1	Fail	Fail	Pass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #1B645B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b645b; }
.text { color: #1b645b; }
.border { border: 2px solid #1b645b; }
.transparent { background-color: rgb(27 100 91 / 50%); }
.gradient { background: linear-gradient(to right, #1b645b, #1b4964); }

Background

Text color

Border

Similar colors

Closest common color name: Pine Green.

Questions

What color is #1B645B?: #1B645B is a dark, moderate spring green, closest to the named color Philodendron. It belongs to the teal family of colors.
What is the RGB value of #1B645B?: The RGB value is 27, 100, 91: 27 red, 100 green and 91 blue on a 0 to 255 scale.
What is the complementary color of #1B645B?: The complementary color is #641B24, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B645B?: White text. Black text has a contrast ratio of 3.02:1 and white text 6.95:1. WCAG asks for at least 4.5:1 for normal text.