#04312C#04312C

#04312C is a dark, muted teal. Relative luminance 0.024; OKLCH L 28.3% C 0.047 H 183.7°. Best body text is #FFFFFF at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#04312C
RGB	rgb(4, 49, 44)
HSL	hsl(173, 85%, 10%)
HSV	hsv(173, 92%, 19%)
CMYK	cmyk(91.8%, 0%, 10.2%, 80.8%)
CIE-LAB	lab(17.48, -16.09, -1.04)
CIE-LCH	lch(17.48, 16.12, 183.70°)
OKLab	oklab(28.27% -0.0472 -0.0031)
OKLCH	oklch(28.27% 0.047 183.7)
XYZ	xyz(1.6028, 2.4041, 2.7619)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04312C #310409

analogous

#043115 #04312C #041F31

triadic

#04312C #2C0431 #312C04

tetradic

#04312C #150431 #310409 #1F3104

square

#04312C #150431 #310409 #1F3104

split-complementary

#04312C #31041F #311504

monochromatic

#021C19 #021C19 #04312C #096A5F #0DA292

Accessibility & contrast

On white

14.18

#04312C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#04312C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04312C

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04312C	#FFFFFF	#000000	##FFFFFF
##04312C	1.00	14.18	1.48	14.18
#FFFFFF	14.18	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2E2C

Deuteranopia (green-blind)

#28292C

Tritanopia (blue-blind)

#00322F

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #04312c;
/* rgb */ color: rgb(4, 49, 44);
/* oklch */ color: oklch(28.3% 0.047 183.7);

Tailwind

colors: {
  custom: {
    50: '#4d6965',
    500: '#04312c',
    950: '#000000',
  },
}

SCSS

$custom: #04312c;
$custom-light: #4d6965;
$custom-dark: #000000;

JSON

{
  "hex": "#04312c",
  "rgb": {
    "r": 4,
    "g": 49,
    "b": 44
  },
  "hsl": {
    "h": 173.333,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.28274,
    "c": 0.0473,
    "h": 183.7
  },
  "luminance": 0.02404
}

Semantic roles & 50–950 ramp

primary

#04312C

secondary

#731D27

accent

#2D44FB

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020605

muted

#787A7A

Preview Lab

Preview with #04312C

Body copy rendered with the generated semantic roles for this colour.

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