#005B58 Color
#005B58 is rgb(0, 91, 88) in RGB, hsl(178, 100%, 18%) in HSL, and about cmyk(100%, 0%, 3%, 64%) in CMYK. It has no registered color name of its own — the closest is Peacock (#005F5F), very hard to tell apart at ΔE 2.53. White text is the more readable choice on this background.
#005B58rgb(0, 91, 88)hsl(178, 100%, 18%)hsv(178, 100%, 36%)cmyk(100%, 0%, 3%, 64%)oklch(42.5% 0.073 190.9)lab(34.17% -24.67 -5.32)lch(34.17% 25.23 192.16)What #005B58 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 #005B58, 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.
#005B58 Channel Values
How #005B58 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 91 · B 88 | 8-bit channels as sent to the display |
| HSL | H 178° · S 100% · L 18% | Easiest model for building lighter and darker variants |
| HSV | H 178° · S 100% · V 36% | Matches the picker in most design tools |
| CMYK | C 100% · M 0% · Y 3% · K 64% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.96:1 vs white · 2.64:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #005B58 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 #005B58 in the contrast checker.
Colors That Go With #005B58
Pairings derived from color-wheel relationships. The complementary color sits opposite #005B58; 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 #005B58
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 #005B58.
How #005B58 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.
#005B58#535358#415658#4B4B59#3A5259#035B5B#025B5A#515151Using #005B58 in Code
Copy-ready declarations for the places this color usually ends up.
--color-005b58: #005B58;background-color: #005B58;colors: { 'color-005b58': '#005B58' }Color(red: 0.000, green: 0.357, blue: 0.345)<color name="color_005b58">#005B58</color>fill="#005B58"More Teal Colors
#005B58 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#005B58 Frequently Asked Questions
What color is #005B58?
#005B58 is a darkest teal — rgb(0, 91, 88) in RGB and hsl(178, 100%, 18%) in HSL. It carries no registered color name of its own; the closest named color is Peacock (#005F5F), which is very hard to tell apart at a CIE76 distance of 2.53.
What is the RGB value of #005B58?
#005B58 is rgb(0, 91, 88) — red 0, green 91, and blue 88 on the 0-255 scale.
What is the CMYK value of #005B58?
#005B58 converts to approximately cmyk(100%, 0%, 3%, 64%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #005B58 be black or white?
White text is the more readable choice. #005B58 scores 7.96:1 against white and 2.64:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #005B58 as a CSS color keyword?
No. #005B58 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 12.85, which is visibly different.
Open #005B58 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.