#28858F Color
#28858F is rgb(40, 133, 143) in RGB, hsl(186, 56%, 36%) in HSL, and about cmyk(72%, 7%, 0%, 44%) in CMYK. It has no registered color name of its own — the closest is Metallic Seaweed (#0A7E8C), very hard to tell apart at ΔE 3.94. Black text is the more readable choice on this background.
#28858Frgb(40, 133, 143)hsl(186, 56%, 36%)hsv(186, 72%, 56%)cmyk(72%, 7%, 0%, 44%)oklch(56.8% 0.085 205.5)lab(50.63% -25.11 -13.69)lch(50.63% 28.60 208.61)What #28858F 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 #28858F, 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.
#28858F Channel Values
How #28858F 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 133 · B 143 | 8-bit channels as sent to the display |
| HSL | H 186° · S 56% · L 36% | Easiest model for building lighter and darker variants |
| HSV | H 186° · S 72% · V 56% | Matches the picker in most design tools |
| CMYK | C 72% · M 7% · Y 0% · K 44% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.34:1 vs white · 4.84:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #28858F 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 #28858F in the contrast checker.
Colors That Go With #28858F
Pairings derived from color-wheel relationships. The complementary color sits opposite #28858F; 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 #28858F
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 #28858F.
How #28858F 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.
#28858F#7B7B8F#647F8F#717190#5C7990#228686#25868A#797979Using #28858F in Code
Copy-ready declarations for the places this color usually ends up.
--color-28858f: #28858F;background-color: #28858F;colors: { 'color-28858f': '#28858F' }Color(red: 0.157, green: 0.522, blue: 0.561)<color name="color_28858f">#28858F</color>fill="#28858F"More Teal Colors
#28858F sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#28858F Frequently Asked Questions
What color is #28858F?
#28858F is a dark teal — rgb(40, 133, 143) in RGB and hsl(186, 56%, 36%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Seaweed (#0A7E8C), which is very hard to tell apart at a CIE76 distance of 3.94.
What is the RGB value of #28858F?
#28858F is rgb(40, 133, 143) — red 40, green 133, and blue 143 on the 0-255 scale.
What is the CMYK value of #28858F?
#28858F converts to approximately cmyk(72%, 7%, 0%, 44%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #28858F be black or white?
Black text is the more readable choice. #28858F scores 4.34:1 against white and 4.84:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #28858F as a CSS color keyword?
No. #28858F 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 teal (#008080) at a CIE76 distance of 7.56, which is clearly related but distinguishable side by side.
Open #28858F in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.