#0B63BC Color
#0B63BC is rgb(11, 99, 188) in RGB, hsl(210, 89%, 39%) in HSL, and about cmyk(94%, 47%, 0%, 26%) in CMYK. It has no registered color name of its own — the closest is Denim (#1560BD), very hard to tell apart at ΔE 3.29. White text is the more readable choice on this background.
#0B63BCrgb(11, 99, 188)hsl(210, 89%, 39%)hsv(210, 94%, 74%)cmyk(94%, 47%, 0%, 26%)oklch(50.5% 0.159 254.7)lab(41.32% 3.56 -54.42)lch(41.32% 54.54 273.74)What #0B63BC 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 #0B63BC, 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.
#0B63BC Channel Values
How #0B63BC 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 11 · G 99 · B 188 | 8-bit channels as sent to the display |
| HSL | H 210° · S 89% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 210° · S 94% · V 74% | Matches the picker in most design tools |
| CMYK | C 94% · M 47% · Y 0% · K 26% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.96:1 vs white · 3.53:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0B63BC 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 #0B63BC in the contrast checker.
Colors That Go With #0B63BC
Pairings derived from color-wheel relationships. The complementary color sits opposite #0B63BC; 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 #0B63BC
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 #0B63BC.
How #0B63BC 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.
#0B63BC#5B5BBC#475EBC#5252BD#4159BC#007373#006D96#646464Using #0B63BC in Code
Copy-ready declarations for the places this color usually ends up.
--color-0b63bc: #0B63BC;background-color: #0B63BC;colors: { 'color-0b63bc': '#0B63BC' }Color(red: 0.043, green: 0.388, blue: 0.737)<color name="color_0b63bc">#0B63BC</color>fill="#0B63BC"More Blue Colors
#0B63BC sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#0B63BC Frequently Asked Questions
What color is #0B63BC?
#0B63BC is a dark blue — rgb(11, 99, 188) in RGB and hsl(210, 89%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Denim (#1560BD), which is very hard to tell apart at a CIE76 distance of 3.29.
What is the RGB value of #0B63BC?
#0B63BC is rgb(11, 99, 188) — red 11, green 99, and blue 188 on the 0-255 scale.
What is the CMYK value of #0B63BC?
#0B63BC converts to approximately cmyk(94%, 47%, 0%, 26%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0B63BC be black or white?
White text is the more readable choice. #0B63BC scores 5.96:1 against white and 3.53:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0B63BC as a CSS color keyword?
No. #0B63BC 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 19.54, which is visibly different.
Open #0B63BC in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.