#183A2A#183A2A

#183A2A is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.8% C 0.050 H 161.2°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#183A2A
RGB	rgb(24, 58, 42)
HSL	hsl(152, 41%, 16%)
HSV	hsv(152, 59%, 23%)
CMYK	cmyk(58.6%, 0%, 27.6%, 77.3%)
CIE-LAB	lab(21.53, -17.00, 6.23)
CIE-LCH	lch(21.53, 18.11, 159.88°)
OKLab	oklab(31.75% -0.0469 0.0159)
OKLCH	oklch(31.75% 0.05 161.2)
XYZ	xyz(2.3075, 3.3873, 2.7223)
Luminance	0.0339 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183A2A #3A1828

analogous

#183A19 #183A2A #18393A

triadic

#183A2A #2A183A #3A2A18

tetradic

#183A2A #19183A #3A1828 #393A18

square

#183A2A #19183A #3A1828 #393A18

split-complementary

#183A2A #3A1839 #3A1918

monochromatic

#091610 #091610 #183A2A #2A6549 #3C9169

Accessibility & contrast

On white

12.52

#183A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#183A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A2A

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183A2A	#FFFFFF	#000000	##FFFFFF
##183A2A	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393629

Deuteranopia (green-blind)

#34322B

Tritanopia (blue-blind)

#0D3A36

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183a2a;
/* rgb */ color: rgb(24, 58, 42);
/* oklch */ color: oklch(31.8% 0.050 161.2);

Tailwind

colors: {
  custom: {
    50: '#587063',
    500: '#183a2a',
    950: '#000000',
  },
}

SCSS

$custom: #183a2a;
$custom-light: #587063;
$custom-dark: #000000;

JSON

{
  "hex": "#183a2a",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 42
  },
  "hsl": {
    "h": 151.765,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31754,
    "c": 0.04955,
    "h": 161.2
  },
  "luminance": 0.03387
}

Semantic roles & 50–950 ramp

primary

#183A2A

secondary

#703E55

accent

#5790D1

background

#F5F6F5

surface

#E9ECEA

border

#C5C7C6

text

#030705

muted

#787A79

Preview Lab

Preview with #183A2A

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

Preview Lab → · Contrast checker → · Palette generator →