#0180D5 Color
#0180D5 is rgb(1, 128, 213) in RGB, hsl(204, 99%, 42%) in HSL, and about cmyk(100%, 40%, 0%, 16%) in CMYK. It has no registered color name of its own — the closest is Bleu de France (#318CE7), clearly related but distinguishable side by side at ΔE 5.98. Black text is the more readable choice on this background.
#0180D5rgb(1, 128, 213)hsl(204, 99%, 42%)hsv(204, 100%, 84%)cmyk(100%, 40%, 0%, 16%)oklch(58.7% 0.159 248.4)lab(51.28% -5.08 -52.80)lch(51.28% 53.04 264.51)What #0180D5 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 #0180D5, 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.
#0180D5 Channel Values
How #0180D5 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 1 · G 128 · B 213 | 8-bit channels as sent to the display |
| HSL | H 204° · S 99% · L 42% | Easiest model for building lighter and darker variants |
| HSV | H 204° · S 100% · V 84% | Matches the picker in most design tools |
| CMYK | C 100% · M 40% · Y 0% · K 16% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.16:1 vs white · 5.05:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0180D5 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 #0180D5 in the contrast checker.
Colors That Go With #0180D5
Pairings derived from color-wheel relationships. The complementary color sits opposite #0180D5; 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 #0180D5
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 #0180D5.
How #0180D5 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.
#0180D5#7575D5#5C7AD5#6A6AD6#5374D6#008E8E#0089AF#7C7C7CUsing #0180D5 in Code
Copy-ready declarations for the places this color usually ends up.
--color-0180d5: #0180D5;background-color: #0180D5;colors: { 'color-0180d5': '#0180D5' }Color(red: 0.004, green: 0.502, blue: 0.835)<color name="color_0180d5">#0180D5</color>fill="#0180D5"More Blue Colors
#0180D5 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#0180D5 Frequently Asked Questions
What color is #0180D5?
#0180D5 is a mid-tone blue — rgb(1, 128, 213) in RGB and hsl(204, 99%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Bleu de France (#318CE7), which is clearly related but distinguishable side by side at a CIE76 distance of 5.98.
What is the RGB value of #0180D5?
#0180D5 is rgb(1, 128, 213) — red 1, green 128, and blue 213 on the 0-255 scale.
What is the CMYK value of #0180D5?
#0180D5 converts to approximately cmyk(100%, 40%, 0%, 16%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0180D5 be black or white?
Black text is the more readable choice. #0180D5 scores 4.16:1 against white and 5.05:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0180D5 as a CSS color keyword?
No. #0180D5 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 cornflowerblue (#6495ED) at a CIE76 distance of 13.11, which is visibly different.
Open #0180D5 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.