#183A2C#183A2C

#183A2C is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.8% C 0.048 H 164.4°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#183A2C
RGB	rgb(24, 58, 44)
HSL	hsl(155, 41%, 16%)
HSV	hsv(155, 59%, 23%)
CMYK	cmyk(58.6%, 0%, 24.1%, 77.3%)
CIE-LAB	lab(21.59, -16.47, 4.97)
CIE-LCH	lch(21.59, 17.20, 163.21°)
OKLab	oklab(31.82% -0.0458 0.0127)
OKLCH	oklch(31.82% 0.048 164.4)
XYZ	xyz(2.3442, 3.4020, 2.9155)
Luminance	0.0340 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183A2C #3A1826

analogous

#183A1B #183A2C #18373A

triadic

#183A2C #2C183A #3A2C18

tetradic

#183A2C #1B183A #3A1826 #373A18

square

#183A2C #1B183A #3A1826 #373A18

split-complementary

#183A2C #3A1837 #3A1B18

monochromatic

#091610 #091610 #183A2C #2A654D #3C916E

Accessibility & contrast

On white

12.50

#183A2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#183A2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A2C

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183A2C	#FFFFFF	#000000	##FFFFFF
##183A2C	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39362B

Deuteranopia (green-blind)

#34322D

Tritanopia (blue-blind)

#0C3A36

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183a2c;
/* rgb */ color: rgb(24, 58, 44);
/* oklch */ color: oklch(31.8% 0.048 164.4);

Tailwind

colors: {
  custom: {
    50: '#587065',
    500: '#183a2c',
    950: '#000000',
  },
}

SCSS

$custom: #183a2c;
$custom-light: #587065;
$custom-dark: #000000;

JSON

{
  "hex": "#183a2c",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 44
  },
  "hsl": {
    "h": 155.294,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31816,
    "c": 0.04752,
    "h": 164.4
  },
  "luminance": 0.03402
}

Semantic roles & 50–950 ramp

primary

#183A2C

secondary

#703E52

accent

#5789D1

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030705

muted

#787A7A

Preview Lab

Preview with #183A2C

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

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