#153438 Color
#153438 is rgb(21, 52, 56) in RGB, hsl(187, 45%, 15%) in HSL, and about cmyk(62%, 7%, 0%, 78%) in CMYK. It has no registered color name of its own — the closest is Japanese Indigo (#264348), clearly related but distinguishable side by side at ΔE 6.84. White text is the more readable choice on this background.
#153438rgb(21, 52, 56)hsl(187, 45%, 15%)hsv(187, 63%, 22%)cmyk(62%, 7%, 0%, 78%)oklch(30.3% 0.037 206.6)lab(19.51% -10.91 -6.25)lch(19.51% 12.58 209.79)What #153438 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 #153438, 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 teal in the library.
#153438 Channel Values
How #153438 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 21 · G 52 · B 56 | 8-bit channels as sent to the display |
| HSL | H 187° · S 45% · L 15% | Easiest model for building lighter and darker variants |
| HSV | H 187° · S 63% · V 22% | Matches the picker in most design tools |
| CMYK | C 62% · M 7% · Y 0% · K 78% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 13.29:1 vs white · 1.58:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #153438 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 #153438 in the contrast checker.
Colors That Go With #153438
Pairings derived from color-wheel relationships. The complementary color sits opposite #153438; 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 #153438
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 #153438.
How #153438 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.
#153438#303038#283238#2C2C39#253038#143535#143436#303030Using #153438 in Code
Copy-ready declarations for the places this color usually ends up.
--color-153438: #153438;background-color: #153438;colors: { 'color-153438': '#153438' }Color(red: 0.082, green: 0.204, blue: 0.220)<color name="color_153438">#153438</color>fill="#153438"More Teal Colors
#153438 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#153438 Frequently Asked Questions
What color is #153438?
#153438 is a darkest teal — rgb(21, 52, 56) in RGB and hsl(187, 45%, 15%) in HSL. It carries no registered color name of its own; the closest named color is Japanese Indigo (#264348), which is clearly related but distinguishable side by side at a CIE76 distance of 6.84.
What is the RGB value of #153438?
#153438 is rgb(21, 52, 56) — red 21, green 52, and blue 56 on the 0-255 scale.
What is the CMYK value of #153438?
#153438 converts to approximately cmyk(62%, 7%, 0%, 78%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #153438 be black or white?
White text is the more readable choice. #153438 scores 13.29:1 against white and 1.58:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #153438 as a CSS color keyword?
No. #153438 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 11.94, which is visibly different.
Open #153438 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.