#152CB2 Color
#152CB2 is rgb(21, 44, 178) in RGB, hsl(231, 79%, 39%) in HSL, and about cmyk(88%, 75%, 0%, 30%) in CMYK. It has no registered color name of its own — the closest is Persian Blue (#1C39BB), clearly related but distinguishable side by side at ΔE 6.27. White text is the more readable choice on this background.
#152CB2rgb(21, 44, 178)hsl(231, 79%, 39%)hsv(231, 88%, 70%)cmyk(88%, 75%, 0%, 30%)oklch(39.1% 0.209 266.5)lab(25.78% 34.93 -73.89)lch(25.78% 81.73 295.30)What #152CB2 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 #152CB2, 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.
#152CB2 Channel Values
How #152CB2 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 44 · B 178 | 8-bit channels as sent to the display |
| HSL | H 231° · S 79% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 231° · S 88% · V 70% | Matches the picker in most design tools |
| CMYK | C 88% · M 75% · Y 0% · K 30% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.32:1 vs white · 2.04:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #152CB2 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 #152CB2 in the contrast checker.
Colors That Go With #152CB2
Pairings derived from color-wheel relationships. The complementary color sits opposite #152CB2; 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 #152CB2
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 #152CB2.
How #152CB2 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.
#152CB2#2929B2#222AB2#2626B2#2028B2#004F4F#004382#404040Using #152CB2 in Code
Copy-ready declarations for the places this color usually ends up.
--color-152cb2: #152CB2;background-color: #152CB2;colors: { 'color-152cb2': '#152CB2' }Color(red: 0.082, green: 0.173, blue: 0.698)<color name="color_152cb2">#152CB2</color>fill="#152CB2"More Blue Colors
#152CB2 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#152CB2 Frequently Asked Questions
What color is #152CB2?
#152CB2 is a dark blue — rgb(21, 44, 178) in RGB and hsl(231, 79%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Persian Blue (#1C39BB), which is clearly related but distinguishable side by side at a CIE76 distance of 6.27.
What is the RGB value of #152CB2?
#152CB2 is rgb(21, 44, 178) — red 21, green 44, and blue 178 on the 0-255 scale.
What is the CMYK value of #152CB2?
#152CB2 converts to approximately cmyk(88%, 75%, 0%, 30%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #152CB2 be black or white?
White text is the more readable choice. #152CB2 scores 10.32:1 against white and 2.04:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #152CB2 as a CSS color keyword?
No. #152CB2 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 darkblue (#00008B) at a CIE76 distance of 15.57, which is visibly different.
Open #152CB2 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.