#045558 Color
#045558 is rgb(4, 85, 88) in RGB, hsl(182, 91%, 18%) in HSL, and about cmyk(95%, 3%, 0%, 65%) in CMYK. It has no registered color name of its own — the closest is Peacock (#005F5F), very hard to tell apart at ΔE 4.91. White text is the more readable choice on this background.
#045558rgb(4, 85, 88)hsl(182, 91%, 18%)hsv(182, 95%, 35%)cmyk(95%, 3%, 0%, 65%)oklch(40.9% 0.068 199)lab(32.10% -21.54 -8.38)lch(32.10% 23.11 201.25)What #045558 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 #045558, 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.
#045558 Channel Values
How #045558 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 4 · G 85 · B 88 | 8-bit channels as sent to the display |
| HSL | H 182° · S 91% · L 18% | Easiest model for building lighter and darker variants |
| HSV | H 182° · S 95% · V 35% | Matches the picker in most design tools |
| CMYK | C 95% · M 3% · Y 0% · K 65% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.59:1 vs white · 2.45:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #045558 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 #045558 in the contrast checker.
Colors That Go With #045558
Pairings derived from color-wheel relationships. The complementary color sits opposite #045558; 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 #045558
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 #045558.
How #045558 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.
#045558#4E4E58#3C5158#464659#364C59#015555#025556#4C4C4CUsing #045558 in Code
Copy-ready declarations for the places this color usually ends up.
--color-045558: #045558;background-color: #045558;colors: { 'color-045558': '#045558' }Color(red: 0.016, green: 0.333, blue: 0.345)<color name="color_045558">#045558</color>fill="#045558"More Teal Colors
#045558 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#045558 Frequently Asked Questions
What color is #045558?
#045558 is a darkest teal — rgb(4, 85, 88) in RGB and hsl(182, 91%, 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 4.91.
What is the RGB value of #045558?
#045558 is rgb(4, 85, 88) — red 4, green 85, and blue 88 on the 0-255 scale.
What is the CMYK value of #045558?
#045558 converts to approximately cmyk(95%, 3%, 0%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #045558 be black or white?
White text is the more readable choice. #045558 scores 8.59:1 against white and 2.45:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #045558 as a CSS color keyword?
No. #045558 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 10.33, which is visibly different.
Open #045558 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.