#00646B Color
#00646B is rgb(0, 100, 107) in RGB, hsl(184, 100%, 21%) in HSL, and about cmyk(100%, 7%, 0%, 58%) in CMYK. It has no registered color name of its own — the closest is Petrol (#005F6A), very hard to tell apart at ΔE 3.38. White text is the more readable choice on this background.
#00646Brgb(0, 100, 107)hsl(184, 100%, 21%)hsv(184, 100%, 42%)cmyk(100%, 7%, 0%, 58%)oklch(45.9% 0.078 203.2)lab(37.89% -23.59 -11.49)lch(37.89% 26.24 205.96)What #00646B 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 #00646B, 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.
#00646B Channel Values
How #00646B 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 100 · B 107 | 8-bit channels as sent to the display |
| HSL | H 184° · S 100% · L 21% | Easiest model for building lighter and darker variants |
| HSV | H 184° · S 100% · V 42% | Matches the picker in most design tools |
| CMYK | C 100% · M 7% · Y 0% · K 58% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.92:1 vs white · 3.04:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #00646B 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 #00646B in the contrast checker.
Colors That Go With #00646B
Pairings derived from color-wheel relationships. The complementary color sits opposite #00646B; 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 #00646B
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 #00646B.
How #00646B 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.
#00646B#5B5B6B#475F6B#52526C#405A6C#006565#006567#5A5A5AUsing #00646B in Code
Copy-ready declarations for the places this color usually ends up.
--color-00646b: #00646B;background-color: #00646B;colors: { 'color-00646b': '#00646B' }Color(red: 0.000, green: 0.392, blue: 0.420)<color name="color_00646b">#00646B</color>fill="#00646B"More Teal Colors
#00646B sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#00646B Frequently Asked Questions
What color is #00646B?
#00646B is a dark teal — rgb(0, 100, 107) in RGB and hsl(184, 100%, 21%) in HSL. It carries no registered color name of its own; the closest named color is Petrol (#005F6A), which is very hard to tell apart at a CIE76 distance of 3.38.
What is the RGB value of #00646B?
#00646B is rgb(0, 100, 107) — red 0, green 100, and blue 107 on the 0-255 scale.
What is the CMYK value of #00646B?
#00646B converts to approximately cmyk(100%, 7%, 0%, 58%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #00646B be black or white?
White text is the more readable choice. #00646B scores 6.92:1 against white and 3.04:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #00646B as a CSS color keyword?
No. #00646B 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 12.42, which is visibly different.
Open #00646B in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.