#5A637C Color
#5A637C is rgb(90, 99, 124) in RGB, hsl(224, 16%, 42%) in HSL, and about cmyk(27%, 20%, 0%, 51%) in CMYK. It has no registered color name of its own — the closest is Dark Electric Blue (#536878), clearly related but distinguishable side by side at ΔE 7.11. White text is the more readable choice on this background.
#5A637Crgb(90, 99, 124)hsl(224, 16%, 42%)hsv(224, 27%, 49%)cmyk(27%, 20%, 0%, 51%)oklch(50.2% 0.041 269.4)lab(41.91% 1.04 -15.30)lch(41.91% 15.34 273.89)What #5A637C 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 #5A637C, 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.
#5A637C Channel Values
How #5A637C 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 90 · G 99 · B 124 | 8-bit channels as sent to the display |
| HSL | H 224° · S 16% · L 42% | Easiest model for building lighter and darker variants |
| HSV | H 224° · S 27% · V 49% | Matches the picker in most design tools |
| CMYK | C 27% · M 20% · Y 0% · K 51% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.98:1 vs white · 3.51:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5A637C 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 #5A637C in the contrast checker.
Colors That Go With #5A637C
Pairings derived from color-wheel relationships. The complementary color sits opposite #5A637C; 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 #5A637C
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 #5A637C.
How #5A637C 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.
#5A637C#62627C#5F627C#60607C#5E617C#566767#576570#636363Using #5A637C in Code
Copy-ready declarations for the places this color usually ends up.
--color-5a637c: #5A637C;background-color: #5A637C;colors: { 'color-5a637c': '#5A637C' }Color(red: 0.353, green: 0.388, blue: 0.486)<color name="color_5a637c">#5A637C</color>fill="#5A637C"More Blue Colors
#5A637C sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#5A637C Frequently Asked Questions
What color is #5A637C?
#5A637C is a mid-tone blue — rgb(90, 99, 124) in RGB and hsl(224, 16%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Dark Electric Blue (#536878), which is clearly related but distinguishable side by side at a CIE76 distance of 7.11.
What is the RGB value of #5A637C?
#5A637C is rgb(90, 99, 124) — red 90, green 99, and blue 124 on the 0-255 scale.
What is the CMYK value of #5A637C?
#5A637C converts to approximately cmyk(27%, 20%, 0%, 51%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5A637C be black or white?
White text is the more readable choice. #5A637C scores 5.98:1 against white and 3.51:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5A637C as a CSS color keyword?
No. #5A637C 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 slategray (#708090) at a CIE76 distance of 12.49, which is visibly different.
Open #5A637C in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.