#0F51CC Color
#0F51CC is rgb(15, 81, 204) in RGB, hsl(219, 86%, 43%) in HSL, and about cmyk(93%, 60%, 0%, 20%) in CMYK. It has no registered color name of its own — the closest is New Car (#214FC6), very hard to tell apart at ΔE 2.71. White text is the more readable choice on this background.
#0F51CCrgb(15, 81, 204)hsl(219, 86%, 43%)hsv(219, 93%, 80%)cmyk(93%, 60%, 0%, 20%)oklch(48% 0.201 261.7)lab(37.24% 20.28 -70.31)lch(37.24% 73.18 286.09)What #0F51CC 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 #0F51CC, 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.
#0F51CC Channel Values
How #0F51CC 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 15 · G 81 · B 204 | 8-bit channels as sent to the display |
| HSL | H 219° · S 86% · L 43% | Easiest model for building lighter and darker variants |
| HSV | H 219° · S 93% · V 80% | Matches the picker in most design tools |
| CMYK | C 93% · M 60% · Y 0% · K 20% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.84:1 vs white · 3.07:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0F51CC 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 #0F51CC in the contrast checker.
Colors That Go With #0F51CC
Pairings derived from color-wheel relationships. The complementary color sits opposite #0F51CC; 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 #0F51CC
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 #0F51CC.
How #0F51CC 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.
#0F51CC#4A4ACC#3B4DCC#4343CC#3549CC#006B6B#00629C#5B5B5BUsing #0F51CC in Code
Copy-ready declarations for the places this color usually ends up.
--color-0f51cc: #0F51CC;background-color: #0F51CC;colors: { 'color-0f51cc': '#0F51CC' }Color(red: 0.059, green: 0.318, blue: 0.800)<color name="color_0f51cc">#0F51CC</color>fill="#0F51CC"More Blue Colors
#0F51CC sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#0F51CC Frequently Asked Questions
What color is #0F51CC?
#0F51CC is a mid-tone blue — rgb(15, 81, 204) in RGB and hsl(219, 86%, 43%) in HSL. It carries no registered color name of its own; the closest named color is New Car (#214FC6), which is very hard to tell apart at a CIE76 distance of 2.71.
What is the RGB value of #0F51CC?
#0F51CC is rgb(15, 81, 204) — red 15, green 81, and blue 204 on the 0-255 scale.
What is the CMYK value of #0F51CC?
#0F51CC converts to approximately cmyk(93%, 60%, 0%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0F51CC be black or white?
White text is the more readable choice. #0F51CC scores 6.84:1 against white and 3.07:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0F51CC as a CSS color keyword?
No. #0F51CC 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 royalblue (#4169E1) at a CIE76 distance of 10.54, which is visibly different.
Open #0F51CC in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.