What color is #233B7F?

#233B7F is a dark, moderate blue, closest to the named color Twilight Express. It belongs to the blue family of colors.

What is the RGB value of #233B7F?

The RGB value is 35, 59, 127: 35 red, 59 green and 127 blue on a 0 to 255 scale.

What is the complementary color of #233B7F?

The complementary color is #7F6723, found by rotating the hue 180° on the color wheel.

Is black or white text better on #233B7F?

White text. Black text has a contrast ratio of 2:1 and white text 10.48:1. WCAG asks for at least 4.5:1 for normal text.

#233B7F color

#233B7F rgb(35, 59, 127)

Shades of blue

The hex color #233B7F is a dark, moderate blue.

In the RGB color model it is made of 13.7% red, 23.1% green and 49.8% blue (35, 59, 127).

Its hue angle is 224°, with 57% saturation and 32% lightness. For print, the CMYK equivalent is 72% cyan, 54% magenta, 0% yellow and 50% black.

The closest named color is Twilight Express (#1C3378), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 10.48:1).

#233B7F color codes

HEX	`#233B7F`
RGB	`rgb(35, 59, 127)`
RGB percent	`rgb(13.7%, 23.1%, 49.8%)`
HSL	`hsl(224, 57%, 32%)`
HSV / HSB	`hsv(224, 72%, 50%)`
CMYK	`cmyk(72%, 54%, 0%, 50%)`
CIE LAB	`lab(26.78, 15.63, -41.28)`
CIE LCH	`lch(26.78, 44.14, 290.74)`
CIE XYZ	`xyz(6.087, 5.017, 20.722)`
Decimal	`2308991`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #233B7F, 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 #233B7F	Ratio	AA	AAA	AA large
Sample text	2:1	Fail	Fail	Fail
Sample text	10.48:1	Pass	Pass	Pass

#233B7F as text on	Ratio	AA	AAA	AA large
Sample text	10.48:1	Pass	Pass	Pass
Sample text	2:1	Fail	Fail	Fail

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 #233B7F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #233b7f; }
.text { color: #233b7f; }
.border { border: 2px solid #233b7f; }
.transparent { background-color: rgb(35 59 127 / 50%); }
.gradient { background: linear-gradient(to right, #233b7f, #39237f); }

Background

Text color

Border

Similar colors

Closest common color name: Egyptian Blue.

Questions

What color is #233B7F?: #233B7F is a dark, moderate blue, closest to the named color Twilight Express. It belongs to the blue family of colors.
What is the RGB value of #233B7F?: The RGB value is 35, 59, 127: 35 red, 59 green and 127 blue on a 0 to 255 scale.
What is the complementary color of #233B7F?: The complementary color is #7F6723, found by rotating the hue 180° on the color wheel.
Is black or white text better on #233B7F?: White text. Black text has a contrast ratio of 2:1 and white text 10.48:1. WCAG asks for at least 4.5:1 for normal text.