#1C1F63 color
The hex color #1C1F63 is a dark, moderate blue.
In the RGB color model it is made of 11% red, 12.2% green and 38.8% blue (28, 31, 99).
Its hue angle is 237°, with 56% saturation and 25% lightness. For print, the CMYK equivalent is 72% cyan, 69% magenta, 0% yellow and 61% black.
The closest named color is Intergalactic Cowboy (#222266), a difference of 1.1 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 14.73:1).
#1C1F63 color codes
| HEX | #1C1F63 | |
|---|---|---|
| RGB | rgb(28, 31, 99) | |
| RGB percent | rgb(11%, 12.2%, 38.8%) | |
| HSL | hsl(237, 56%, 25%) | |
| HSV / HSB | hsv(237, 72%, 39%) | |
| CMYK | cmyk(72%, 69%, 0%, 61%) | |
| CIE LAB | lab(16.14, 23.25, -40.59) | |
| CIE LCH | lch(16.14, 46.77, 299.8) | |
| CIE XYZ | xyz(3.22, 2.127, 12.043) | |
| Decimal | 1843043 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1C1F63, 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 #1C1F63 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.43:1 | Fail | Fail | Fail |
| Sample text | 14.73:1 | Pass | Pass | Pass |
| #1C1F63 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 14.73:1 | Pass | Pass | Pass |
| Sample text | 1.43:1 | 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 #1C1F63 looks to people with the most common types of color vision deficiency.
#002b65Protanopia
no red cones#002562Deuteranopia
no green cones#00313eTritanopia
no blue cones#282828Achromatopsia
no color vision
CSS examples
.background { background-color: #1c1f63; }
.text { color: #1c1f63; }
.border { border: 2px solid #1c1f63; }
.transparent { background-color: rgb(28 31 99 / 50%); }
.gradient { background: linear-gradient(to right, #1c1f63, #3c1c63); }
Similar colors
#222266Intergalactic Cowboy#2e2364Indie Go#112473Midnight Crest#191970Midnight Blue#19197020000 Leagues Under the Sea#002266Midnight Melancholia#082567Dark Sapphire#002366Deep Sea Nightmare
Questions
- What color is #1C1F63?
- #1C1F63 is a dark, moderate blue, closest to the named color Intergalactic Cowboy. It belongs to the blue family of colors.
- What is the RGB value of #1C1F63?
- The RGB value is 28, 31, 99: 28 red, 31 green and 99 blue on a 0 to 255 scale.
- What is the complementary color of #1C1F63?
- The complementary color is #63601C, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1C1F63?
- White text. Black text has a contrast ratio of 1.43:1 and white text 14.73:1. WCAG asks for at least 4.5:1 for normal text.