#153AB2 Color
#153AB2 is rgb(21, 58, 178) in RGB, hsl(226, 79%, 39%) in HSL, and about cmyk(88%, 67%, 0%, 30%) in CMYK. It has no registered color name of its own — the closest is Egyptian Blue (#1034A6), very hard to tell apart at ΔE 3.86. White text is the more readable choice on this background.
#153AB2rgb(21, 58, 178)hsl(226, 79%, 39%)hsv(226, 88%, 70%)cmyk(88%, 67%, 0%, 30%)oklch(41.4% 0.194 265)lab(29.16% 26.36 -68.32)lch(29.16% 73.23 291.10)What #153AB2 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 #153AB2, 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.
#153AB2 Channel Values
How #153AB2 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 58 · B 178 | 8-bit channels as sent to the display |
| HSL | H 226° · S 79% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 226° · S 88% · V 70% | Matches the picker in most design tools |
| CMYK | C 88% · M 67% · Y 0% · K 30% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.21:1 vs white · 2.28:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #153AB2 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 #153AB2 in the contrast checker.
Colors That Go With #153AB2
Pairings derived from color-wheel relationships. The complementary color sits opposite #153AB2; 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 #153AB2
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 #153AB2.
How #153AB2 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.
#153AB2#3636B2#2C37B2#3131B2#2835B2#005656#004C85#484848Using #153AB2 in Code
Copy-ready declarations for the places this color usually ends up.
--color-153ab2: #153AB2;background-color: #153AB2;colors: { 'color-153ab2': '#153AB2' }Color(red: 0.082, green: 0.227, blue: 0.698)<color name="color_153ab2">#153AB2</color>fill="#153AB2"More Blue Colors
#153AB2 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#153AB2 Frequently Asked Questions
What color is #153AB2?
#153AB2 is a dark blue — rgb(21, 58, 178) in RGB and hsl(226, 79%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Egyptian Blue (#1034A6), which is very hard to tell apart at a CIE76 distance of 3.86.
What is the RGB value of #153AB2?
#153AB2 is rgb(21, 58, 178) — red 21, green 58, and blue 178 on the 0-255 scale.
What is the CMYK value of #153AB2?
#153AB2 converts to approximately cmyk(88%, 67%, 0%, 30%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #153AB2 be black or white?
White text is the more readable choice. #153AB2 scores 9.21:1 against white and 2.28:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #153AB2 as a CSS color keyword?
No. #153AB2 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 slateblue (#6A5ACD) at a CIE76 distance of 18.46, which is visibly different.
Open #153AB2 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.