#285557 Color
#285557 is rgb(40, 85, 87) in RGB, hsl(183, 37%, 25%) in HSL, and about cmyk(54%, 2%, 0%, 66%) in CMYK. It has no registered color name of its own — the closest is Dark Slate Gray (#2F4F4F), very hard to tell apart at ΔE 4.53. White text is the more readable choice on this background.
#285557rgb(40, 85, 87)hsl(183, 37%, 25%)hsv(183, 54%, 34%)cmyk(54%, 2%, 0%, 66%)oklch(41.9% 0.05 199.3)lab(33.05% -15.67 -6.21)lch(33.05% 16.86 201.61)What #285557 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 #285557, 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.
#285557 Channel Values
How #285557 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 40 · G 85 · B 87 | 8-bit channels as sent to the display |
| HSL | H 183° · S 37% · L 25% | Easiest model for building lighter and darker variants |
| HSV | H 183° · S 54% · V 34% | Matches the picker in most design tools |
| CMYK | C 54% · M 2% · Y 0% · K 66% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.31:1 vs white · 2.53:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #285557 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 #285557 in the contrast checker.
Colors That Go With #285557
Pairings derived from color-wheel relationships. The complementary color sits opposite #285557; 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 #285557
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 #285557.
How #285557 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.
#285557#4F4F57#435257#4A4A58#3F4E58#275555#285556#4E4E4EUsing #285557 in Code
Copy-ready declarations for the places this color usually ends up.
--color-285557: #285557;background-color: #285557;colors: { 'color-285557': '#285557' }Color(red: 0.157, green: 0.333, blue: 0.341)<color name="color_285557">#285557</color>fill="#285557"More Teal Colors
#285557 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#285557 Frequently Asked Questions
What color is #285557?
#285557 is a dark teal — rgb(40, 85, 87) in RGB and hsl(183, 37%, 25%) in HSL. It carries no registered color name of its own; the closest named color is Dark Slate Gray (#2F4F4F), which is very hard to tell apart at a CIE76 distance of 4.53.
What is the RGB value of #285557?
#285557 is rgb(40, 85, 87) — red 40, green 85, and blue 87 on the 0-255 scale.
What is the CMYK value of #285557?
#285557 converts to approximately cmyk(54%, 2%, 0%, 66%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #285557 be black or white?
White text is the more readable choice. #285557 scores 8.31:1 against white and 2.53:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #285557 as a CSS color keyword?
No. #285557 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 4.53, which is very hard to tell apart.
Open #285557 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.