#101228 Color
#101228 is rgb(16, 18, 40) in RGB, hsl(235, 43%, 11%) in HSL, and about cmyk(60%, 55%, 0%, 84%) in CMYK. It has no registered color name of its own — the closest is Deep Navy (#0B1F3A), clearly related but distinguishable side by side at ΔE 8.19. White text is the more readable choice on this background.
#101228rgb(16, 18, 40)hsl(235, 43%, 11%)hsv(235, 60%, 16%)cmyk(60%, 55%, 0%, 84%)oklch(19.4% 0.044 277.5)lab(6.12% 4.41 -15.38)lch(6.12% 16.00 285.99)What #101228 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 #101228, 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.
#101228 Channel Values
How #101228 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 16 · G 18 · B 40 | 8-bit channels as sent to the display |
| HSL | H 235° · S 43% · L 11% | Easiest model for building lighter and darker variants |
| HSV | H 235° · S 60% · V 16% | Matches the picker in most design tools |
| CMYK | C 60% · M 55% · Y 0% · K 84% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 18.43:1 vs white · 1.14:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #101228 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 #101228 in the contrast checker.
Colors That Go With #101228
Pairings derived from color-wheel relationships. The complementary color sits opposite #101228; 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 #101228
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 #101228.
How #101228 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.
#101228#121228#111228#111128#111228#0B1616#0D141E#141414Using #101228 in Code
Copy-ready declarations for the places this color usually ends up.
--color-101228: #101228;background-color: #101228;colors: { 'color-101228': '#101228' }Color(red: 0.063, green: 0.071, blue: 0.157)<color name="color_101228">#101228</color>fill="#101228"More Blue Colors
#101228 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#101228 Frequently Asked Questions
What color is #101228?
#101228 is a darkest blue — rgb(16, 18, 40) in RGB and hsl(235, 43%, 11%) in HSL. It carries no registered color name of its own; the closest named color is Deep Navy (#0B1F3A), which is clearly related but distinguishable side by side at a CIE76 distance of 8.19.
What is the RGB value of #101228?
#101228 is rgb(16, 18, 40) — red 16, green 18, and blue 40 on the 0-255 scale.
What is the CMYK value of #101228?
#101228 converts to approximately cmyk(60%, 55%, 0%, 84%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #101228 be black or white?
White text is the more readable choice. #101228 scores 18.43:1 against white and 1.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #101228 as a CSS color keyword?
No. #101228 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 black (#000000) at a CIE76 distance of 17.13, which is visibly different.
Open #101228 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.