#161B4B Color
#161B4B is rgb(22, 27, 75) in RGB, hsl(234, 55%, 19%) in HSL, and about cmyk(71%, 64%, 0%, 71%) in CMYK. It has no registered color name of its own — the closest is Space Cadet (#1D2951), clearly related but distinguishable side by side at ΔE 9.3. White text is the more readable choice on this background.
#161B4Brgb(22, 27, 75)hsl(234, 55%, 19%)hsv(234, 71%, 29%)cmyk(71%, 64%, 0%, 71%)oklch(25.1% 0.088 273.7)lab(11.90% 11.87 -31.20)lch(11.90% 33.38 290.83)What #161B4B 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 #161B4B, 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.
#161B4B Channel Values
How #161B4B 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 22 · G 27 · B 75 | 8-bit channels as sent to the display |
| HSL | H 234° · S 55% · L 19% | Easiest model for building lighter and darker variants |
| HSV | H 234° · S 71% · V 29% | Matches the picker in most design tools |
| CMYK | C 71% · M 64% · Y 0% · K 71% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 16.25:1 vs white · 1.29:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #161B4B 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 #161B4B in the contrast checker.
Colors That Go With #161B4B
Pairings derived from color-wheel relationships. The complementary color sits opposite #161B4B; 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 #161B4B
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 #161B4B.
How #161B4B 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.
#161B4B#1A1A4B#191B4B#19194B#181A4B#022525#0B2138#202020Using #161B4B in Code
Copy-ready declarations for the places this color usually ends up.
--color-161b4b: #161B4B;background-color: #161B4B;colors: { 'color-161b4b': '#161B4B' }Color(red: 0.086, green: 0.106, blue: 0.294)<color name="color_161b4b">#161B4B</color>fill="#161B4B"More Blue Colors
#161B4B sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#161B4B Frequently Asked Questions
What color is #161B4B?
#161B4B is a darkest blue — rgb(22, 27, 75) in RGB and hsl(234, 55%, 19%) in HSL. It carries no registered color name of its own; the closest named color is Space Cadet (#1D2951), which is clearly related but distinguishable side by side at a CIE76 distance of 9.3.
What is the RGB value of #161B4B?
#161B4B is rgb(22, 27, 75) — red 22, green 27, and blue 75 on the 0-255 scale.
What is the CMYK value of #161B4B?
#161B4B converts to approximately cmyk(71%, 64%, 0%, 71%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #161B4B be black or white?
White text is the more readable choice. #161B4B scores 16.25:1 against white and 1.29:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #161B4B as a CSS color keyword?
No. #161B4B 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 darkslateblue (#483D8B) at a CIE76 distance of 23.72, which is visibly different.
Open #161B4B in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.