#158CD1 Color
#158CD1 is rgb(21, 140, 209) in RGB, hsl(202, 82%, 45%) in HSL, and about cmyk(90%, 33%, 0%, 18%) in CMYK. It has no registered color name of its own — the closest is Green-blue (Crayola) (#2887C8), very hard to tell apart at ΔE 3.42. Black text is the more readable choice on this background.
#158CD1rgb(21, 140, 209)hsl(202, 82%, 45%)hsv(202, 90%, 82%)cmyk(90%, 33%, 0%, 18%)oklch(61.4% 0.141 242.3)lab(54.90% -11.87 -44.82)lch(54.90% 46.36 255.17)What #158CD1 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 #158CD1, 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.
#158CD1 Channel Values
How #158CD1 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 140 · B 209 | 8-bit channels as sent to the display |
| HSL | H 202° · S 82% · L 45% | Easiest model for building lighter and darker variants |
| HSV | H 202° · S 90% · V 82% | Matches the picker in most design tools |
| CMYK | C 90% · M 33% · Y 0% · K 18% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.68:1 vs white · 5.7:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #158CD1 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 #158CD1 in the contrast checker.
Colors That Go With #158CD1
Pairings derived from color-wheel relationships. The complementary color sits opposite #158CD1; 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 #158CD1
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 #158CD1.
How #158CD1 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.
#158CD1#8181D1#6785D1#7575D2#5D7FD2#009797#0093B1#858585Using #158CD1 in Code
Copy-ready declarations for the places this color usually ends up.
--color-158cd1: #158CD1;background-color: #158CD1;colors: { 'color-158cd1': '#158CD1' }Color(red: 0.082, green: 0.549, blue: 0.820)<color name="color_158cd1">#158CD1</color>fill="#158CD1"More Blue Colors
#158CD1 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#158CD1 Frequently Asked Questions
What color is #158CD1?
#158CD1 is a mid-tone blue — rgb(21, 140, 209) in RGB and hsl(202, 82%, 45%) in HSL. It carries no registered color name of its own; the closest named color is Green-blue (Crayola) (#2887C8), which is very hard to tell apart at a CIE76 distance of 3.42.
What is the RGB value of #158CD1?
#158CD1 is rgb(21, 140, 209) — red 21, green 140, and blue 209 on the 0-255 scale.
What is the CMYK value of #158CD1?
#158CD1 converts to approximately cmyk(90%, 33%, 0%, 18%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #158CD1 be black or white?
Black text is the more readable choice. #158CD1 scores 3.68:1 against white and 5.7:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #158CD1 as a CSS color keyword?
No. #158CD1 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 steelblue (#4682B4) at a CIE76 distance of 12.82, which is visibly different.
Open #158CD1 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.