#183A31#183A31

#183A31 is a dark, muted teal. Relative luminance 0.034; OKLCH L 32.0% C 0.043 H 173.9°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#183A31
RGB	rgb(24, 58, 49)
HSL	hsl(164, 41%, 16%)
HSV	hsv(164, 59%, 23%)
CMYK	cmyk(58.6%, 0%, 15.5%, 77.3%)
CIE-LAB	lab(21.73, -15.06, 1.83)
CIE-LCH	lch(21.73, 15.18, 173.09°)
OKLab	oklab(31.98% -0.043 0.0046)
OKLCH	oklch(31.98% 0.043 173.9)
XYZ	xyz(2.4439, 3.4418, 3.4407)
Luminance	0.0344 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183A31 #3A1821

analogous

#183A20 #183A31 #18323A

triadic

#183A31 #31183A #3A3118

tetradic

#183A31 #20183A #3A1821 #323A18

square

#183A31 #20183A #3A1821 #323A18

split-complementary

#183A31 #3A1832 #3A2018

monochromatic

#091612 #091612 #183A31 #2A6556 #3C917A

Accessibility & contrast

On white

12.44

#183A31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#183A31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A31

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183A31	#FFFFFF	#000000	##FFFFFF
##183A31	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383631

Deuteranopia (green-blind)

#333232

Tritanopia (blue-blind)

#093B37

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183a31;
/* rgb */ color: rgb(24, 58, 49);
/* oklch */ color: oklch(32.0% 0.043 173.9);

Tailwind

colors: {
  custom: {
    50: '#587069',
    500: '#183a31',
    950: '#000000',
  },
}

SCSS

$custom: #183a31;
$custom-light: #587069;
$custom-dark: #000000;

JSON

{
  "hex": "#183a31",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 49
  },
  "hsl": {
    "h": 164.118,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31983,
    "c": 0.04322,
    "h": 173.9
  },
  "luminance": 0.03442
}

Semantic roles & 50–950 ramp

primary

#183A31

secondary

#703E4B

accent

#5777D1

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030706

muted

#787A7A

Preview Lab

Preview with #183A31

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

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