#153CD5 Color
#153CD5 is rgb(21, 60, 213) in RGB, hsl(228, 82%, 46%) in HSL, and about cmyk(90%, 72%, 0%, 16%) in CMYK. It has no registered color name of its own — the closest is Iridescent Indigo (#3C32CD), clearly related but distinguishable side by side at ΔE 7.46. White text is the more readable choice on this background.
#153CD5rgb(21, 60, 213)hsl(228, 82%, 46%)hsv(228, 90%, 84%)cmyk(90%, 72%, 0%, 16%)oklch(45.3% 0.234 265.2)lab(32.79% 36.44 -82.80)lch(32.79% 90.47 293.76)What #153CD5 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 #153CD5, 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.
#153CD5 Channel Values
How #153CD5 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 60 · B 213 | 8-bit channels as sent to the display |
| HSL | H 228° · S 82% · L 46% | Easiest model for building lighter and darker variants |
| HSV | H 228° · S 90% · V 84% | Matches the picker in most design tools |
| CMYK | C 90% · M 72% · Y 0% · K 16% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.96:1 vs white · 2.64:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #153CD5 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 #153CD5 in the contrast checker.
Colors That Go With #153CD5
Pairings derived from color-wheel relationships. The complementary color sits opposite #153CD5; 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 #153CD5
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 #153CD5.
How #153CD5 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.
#153CD5#3737D5#2D39D5#3333D5#2937D5#006262#00569E#515151Using #153CD5 in Code
Copy-ready declarations for the places this color usually ends up.
--color-153cd5: #153CD5;background-color: #153CD5;colors: { 'color-153cd5': '#153CD5' }Color(red: 0.082, green: 0.235, blue: 0.835)<color name="color_153cd5">#153CD5</color>fill="#153CD5"More Blue Colors
#153CD5 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#153CD5 Frequently Asked Questions
What color is #153CD5?
#153CD5 is a mid-tone blue — rgb(21, 60, 213) in RGB and hsl(228, 82%, 46%) in HSL. It carries no registered color name of its own; the closest named color is Iridescent Indigo (#3C32CD), which is clearly related but distinguishable side by side at a CIE76 distance of 7.46.
What is the RGB value of #153CD5?
#153CD5 is rgb(21, 60, 213) — red 21, green 60, and blue 213 on the 0-255 scale.
What is the CMYK value of #153CD5?
#153CD5 converts to approximately cmyk(90%, 72%, 0%, 16%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #153CD5 be black or white?
White text is the more readable choice. #153CD5 scores 7.96:1 against white and 2.64:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #153CD5 as a CSS color keyword?
No. #153CD5 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 23.91, which is visibly different.
Open #153CD5 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.