#152138 Color
#152138 is rgb(21, 33, 56) in RGB, hsl(219, 45%, 15%) in HSL, and about cmyk(62%, 41%, 0%, 78%) in CMYK. It has no registered color name of its own — the closest is Deep Navy (#0B1F3A), very hard to tell apart at ΔE 3.65. White text is the more readable choice on this background.
#152138rgb(21, 33, 56)hsl(219, 45%, 15%)hsv(219, 63%, 22%)cmyk(62%, 41%, 0%, 78%)oklch(24.9% 0.047 262.5)lab(12.59% 0.99 -16.84)lch(12.59% 16.86 273.38)What #152138 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #152138, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every blue in the library.
#152138 Channel Values
How #152138 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 21 · G 33 · B 56 | 8-bit channels as sent to the display |
| HSL | H 219° · S 45% · L 15% | Easiest model for building lighter and darker variants |
| HSV | H 219° · S 63% · V 22% | Matches the picker in most design tools |
| CMYK | C 62% · M 41% · Y 0% · K 78% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 16.07:1 vs white · 1.31:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #152138 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #152138 in the contrast checker.
Colors That Go With #152138
Pairings derived from color-wheel relationships. The complementary color sits opposite #152138; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #152138
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #152138.
How #152138 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#152138#1F1F38#1C2038#1E1E38#1A1F38#0E2525#11232E#212121Using #152138 in Code
Copy-ready declarations for the places this color usually ends up.
--color-152138: #152138;background-color: #152138;colors: { 'color-152138': '#152138' }Color(red: 0.082, green: 0.129, blue: 0.220)<color name="color_152138">#152138</color>fill="#152138"More Blue Colors
#152138 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#152138 Frequently Asked Questions
What color is #152138?
#152138 is a darkest blue — rgb(21, 33, 56) in RGB and hsl(219, 45%, 15%) in HSL. It carries no registered color name of its own; the closest named color is Deep Navy (#0B1F3A), which is very hard to tell apart at a CIE76 distance of 3.65.
What is the RGB value of #152138?
#152138 is rgb(21, 33, 56) — red 21, green 33, and blue 56 on the 0-255 scale.
What is the CMYK value of #152138?
#152138 converts to approximately cmyk(62%, 41%, 0%, 78%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #152138 be black or white?
White text is the more readable choice. #152138 scores 16.07:1 against white and 1.31:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #152138 as a CSS color keyword?
No. #152138 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is black (#000000) at a CIE76 distance of 21.04, which is visibly different.
Open #152138 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.