#18323D#18323D

#18323D is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.2% C 0.038 H 227.5°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#18323D
RGB	rgb(24, 50, 61)
HSL	hsl(198, 44%, 17%)
HSV	hsv(198, 61%, 24%)
CMYK	cmyk(60.7%, 18%, 0%, 76.1%)
CIE-LAB	lab(19.28, -6.19, -9.99)
CIE-LCH	lch(19.28, 11.76, 238.20°)
OKLab	oklab(30.16% -0.0254 -0.0277)
OKLCH	oklch(30.16% 0.038 227.5)
XYZ	xyz(2.3593, 2.8121, 4.8324)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18323D #3D2318

analogous

#183D36 #18323D #18203D

triadic

#18323D #3D1832 #323D18

tetradic

#18323D #36183D #3D2318 #203D18

square

#18323D #36183D #3D2318 #203D18

split-complementary

#18323D #3D1820 #3D3618

monochromatic

#091216 #091216 #18323D #295669 #3B7A95

Accessibility & contrast

On white

13.44

#18323D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#18323D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18323D

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18323D	#FFFFFF	#000000	##FFFFFF
##18323D	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C313E

Deuteranopia (green-blind)

#272D3D

Tritanopia (blue-blind)

#023536

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #18323d;
/* rgb */ color: rgb(24, 50, 61);
/* oklch */ color: oklch(30.2% 0.038 227.5);

Tailwind

colors: {
  custom: {
    50: '#586972',
    500: '#18323d',
    950: '#000000',
  },
}

SCSS

$custom: #18323d;
$custom-light: #586972;
$custom-dark: #000000;

JSON

{
  "hex": "#18323d",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 61
  },
  "hsl": {
    "h": 197.838,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.30157,
    "c": 0.03763,
    "h": 227.5
  },
  "luminance": 0.02812
}

Semantic roles & 50–950 ramp

primary

#18323D

secondary

#734D3D

accent

#7A55D3

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #18323D

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

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