#1C275D color
The hex color #1C275D is a dark, moderate blue.
In the RGB color model it is made of 11% red, 15.3% green and 36.5% blue (28, 39, 93).
Its hue angle is 230°, with 54% saturation and 24% lightness. For print, the CMYK equivalent is 70% cyan, 58% magenta, 0% yellow and 64% black.
The closest named color is Fibonacci Blue (#112358), a difference of 1.7 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 14.02:1).
#1C275D color codes
| HEX | #1C275D | |
|---|---|---|
| RGB | rgb(28, 39, 93) | |
| RGB percent | rgb(11%, 15.3%, 36.5%) | |
| HSL | hsl(230, 54%, 24%) | |
| HSV / HSB | hsv(230, 70%, 36%) | |
| CMYK | cmyk(70%, 58%, 0%, 64%) | |
| CIE LAB | lab(17.86, 15.14, -33.81) | |
| CIE LCH | lch(17.86, 37.05, 294.12) | |
| CIE XYZ | xyz(3.18, 2.488, 10.666) | |
| Decimal | 1845085 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1C275D, 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 #1C275D | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.5:1 | Fail | Fail | Fail |
| Sample text | 14.02:1 | Pass | Pass | Pass |
| #1C275D as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 14.02:1 | Pass | Pass | Pass |
| Sample text | 1.5:1 | 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 #1C275D looks to people with the most common types of color vision deficiency.
#022f5fProtanopia
no red cones#00295cDeuteranopia
no green cones#00343dTritanopia
no blue cones#2c2c2cAchromatopsia
no color vision
CSS examples
.background { background-color: #1c275d; }
.text { color: #1c275d; }
.border { border: 2px solid #1c275d; }
.transparent { background-color: rgb(28 39 93 / 50%); }
.gradient { background: linear-gradient(to right, #1c275d, #311c5d); }
Similar colors
#112358Fibonacci Blue#112255Dark Soul#1c2e63Mythical Night#052462Black Sea Night#222255Spacescape#082567Dark Sapphire#1d2951Space Cadet#002366Deep Sea Nightmare
Closest common color name: Oxford Blue.
Questions
- What color is #1C275D?
- #1C275D is a dark, moderate blue, closest to the named color Fibonacci Blue. It belongs to the blue family of colors.
- What is the RGB value of #1C275D?
- The RGB value is 28, 39, 93: 28 red, 39 green and 93 blue on a 0 to 255 scale.
- What is the complementary color of #1C275D?
- The complementary color is #5D521C, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1C275D?
- White text. Black text has a contrast ratio of 1.5:1 and white text 14.02:1. WCAG asks for at least 4.5:1 for normal text.