#183772 Color
#183772 is rgb(24, 55, 114) in RGB, hsl(219, 65%, 27%) in HSL, and about cmyk(79%, 52%, 0%, 55%) in CMYK. It has no registered color name of its own — the closest is Yale Blue (#00356B), very hard to tell apart at ΔE 4.7. White text is the more readable choice on this background.
#183772rgb(24, 55, 114)hsl(219, 65%, 27%)hsv(219, 79%, 45%)cmyk(79%, 52%, 0%, 55%)oklch(35% 0.109 261.7)lab(23.55% 6.54 -38.15)lch(23.55% 38.71 279.72)What #183772 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 #183772, 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.
#183772 Channel Values
How #183772 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 24 · G 55 · B 114 | 8-bit channels as sent to the display |
| HSL | H 219° · S 65% · L 27% | Easiest model for building lighter and darker variants |
| HSV | H 219° · S 79% · V 45% | Matches the picker in most design tools |
| CMYK | C 79% · M 52% · Y 0% · K 55% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 11.49:1 vs white · 1.83:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #183772 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 #183772 in the contrast checker.
Colors That Go With #183772
Pairings derived from color-wheel relationships. The complementary color sits opposite #183772; 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 #183772
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 #183772.
How #183772 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.
#183772#333372#2A3572#2F2F72#283272#004242#003E59#393939Using #183772 in Code
Copy-ready declarations for the places this color usually ends up.
--color-183772: #183772;background-color: #183772;colors: { 'color-183772': '#183772' }Color(red: 0.094, green: 0.216, blue: 0.447)<color name="color_183772">#183772</color>fill="#183772"More Blue Colors
#183772 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#183772 Frequently Asked Questions
What color is #183772?
#183772 is a dark blue — rgb(24, 55, 114) in RGB and hsl(219, 65%, 27%) in HSL. It carries no registered color name of its own; the closest named color is Yale Blue (#00356B), which is very hard to tell apart at a CIE76 distance of 4.7.
What is the RGB value of #183772?
#183772 is rgb(24, 55, 114) — red 24, green 55, and blue 114 on the 0-255 scale.
What is the CMYK value of #183772?
#183772 converts to approximately cmyk(79%, 52%, 0%, 55%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #183772 be black or white?
White text is the more readable choice. #183772 scores 11.49:1 against white and 1.83:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #183772 as a CSS color keyword?
No. #183772 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 darkslateblue (#483D8B) at a CIE76 distance of 16.96, which is visibly different.
Open #183772 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.