#00273D Color
#00273D is rgb(0, 39, 61) in RGB, hsl(202, 100%, 12%) in HSL, and about cmyk(100%, 36%, 0%, 76%) 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 7.34. White text is the more readable choice on this background.
#00273Drgb(0, 39, 61)hsl(202, 100%, 12%)hsv(202, 100%, 24%)cmyk(100%, 36%, 0%, 76%)oklch(26% 0.059 239.2)lab(14.04% -6.11 -18.15)lch(14.04% 19.15 251.38)What #00273D 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 #00273D, 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.
#00273D Channel Values
How #00273D 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 0 · G 39 · B 61 | 8-bit channels as sent to the display |
| HSL | H 202° · S 100% · L 12% | Easiest model for building lighter and darker variants |
| HSV | H 202° · S 100% · V 24% | Matches the picker in most design tools |
| CMYK | C 100% · M 36% · Y 0% · K 76% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 15.47:1 vs white · 1.36:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #00273D 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 #00273D in the contrast checker.
Colors That Go With #00273D
Pairings derived from color-wheel relationships. The complementary color sits opposite #00273D; 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 #00273D
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 #00273D.
How #00273D 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.
#00273D#23233D#1A253D#1F1F3D#16223D#002A2A#002933#242424Using #00273D in Code
Copy-ready declarations for the places this color usually ends up.
--color-00273d: #00273D;background-color: #00273D;colors: { 'color-00273d': '#00273D' }Color(red: 0.000, green: 0.153, blue: 0.239)<color name="color_00273d">#00273D</color>fill="#00273D"More Blue Colors
#00273D sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#00273D Frequently Asked Questions
What color is #00273D?
#00273D is a darkest blue — rgb(0, 39, 61) in RGB and hsl(202, 100%, 12%) 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 7.34.
What is the RGB value of #00273D?
#00273D is rgb(0, 39, 61) — red 0, green 39, and blue 61 on the 0-255 scale.
What is the CMYK value of #00273D?
#00273D converts to approximately cmyk(100%, 36%, 0%, 76%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #00273D be black or white?
White text is the more readable choice. #00273D scores 15.47:1 against white and 1.36:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #00273D as a CSS color keyword?
No. #00273D 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 darkslategray (#2F4F4F) at a CIE76 distance of 23.07, which is visibly different.
Open #00273D in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.