#183F35#183F35

#183F35 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.6% C 0.048 H 174.0°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#183F35
RGB	rgb(24, 63, 53)
HSL	hsl(165, 45%, 17%)
HSV	hsv(165, 62%, 25%)
CMYK	cmyk(61.9%, 0%, 15.9%, 75.3%)
CIE-LAB	lab(23.69, -16.73, 1.98)
CIE-LCH	lch(23.69, 16.84, 173.23°)
OKLab	oklab(33.61% -0.0476 0.005)
OKLCH	oklch(33.61% 0.048 174)
XYZ	xyz(2.7965, 4.0060, 3.9933)
Luminance	0.0401 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183F35 #3F1822

analogous

#183F22 #183F35 #18363F

triadic

#183F35 #35183F #3F3518

tetradic

#183F35 #22183F #3F1822 #363F18

square

#183F35 #22183F #3F1822 #363F18

split-complementary

#183F35 #3F1836 #3F2218

monochromatic

#081613 #081613 #183F35 #296B5A #3A9880

Accessibility & contrast

On white

11.66

#183F35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#183F35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183F35

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183F35	#FFFFFF	#000000	##FFFFFF
##183F35	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3B35

Deuteranopia (green-blind)

#373736

Tritanopia (blue-blind)

#04403C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183f35;
/* rgb */ color: rgb(24, 63, 53);
/* oklch */ color: oklch(33.6% 0.048 174.0);

Tailwind

colors: {
  custom: {
    50: '#59746c',
    500: '#183f35',
    950: '#000000',
  },
}

SCSS

$custom: #183f35;
$custom-light: #59746c;
$custom-dark: #000000;

JSON

{
  "hex": "#183f35",
  "rgb": {
    "r": 24,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 164.615,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.33613,
    "c": 0.04789,
    "h": 174
  },
  "luminance": 0.04006
}

Semantic roles & 50–950 ramp

primary

#183F35

secondary

#753D4C

accent

#5374D5

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040806

muted

#797B7A

Preview Lab

Preview with #183F35

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

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