#182B3E#182B3E

#182B3E is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.2% C 0.043 H 249.6°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#182B3E
RGB	rgb(24, 43, 62)
HSL	hsl(210, 44%, 17%)
HSV	hsv(210, 61%, 24%)
CMYK	cmyk(61.3%, 30.6%, 0%, 75.7%)
CIE-LAB	lab(16.84, -1.04, -14.43)
CIE-LCH	lch(16.84, 14.47, 265.86°)
OKLab	oklab(28.25% -0.0151 -0.0405)
OKLCH	oklch(28.25% 0.043 249.6)
XYZ	xyz(2.1098, 2.2696, 4.8834)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B3E #3E2B18

analogous

#183E3E #182B3E #18183E

triadic

#182B3E #3E182B #2B3E18

tetradic

#182B3E #3E183E #3E2B18 #183E18

square

#182B3E #3E183E #3E2B18 #183E18

split-complementary

#182B3E #3E1818 #3E3E18

monochromatic

#090F16 #090F16 #182B3E #294A6A #3A6896

Accessibility & contrast

On white

14.44

#182B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#182B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B3E

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B3E	#FFFFFF	#000000	##FFFFFF
##182B3E	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232C3F

Deuteranopia (green-blind)

#1E283E

Tritanopia (blue-blind)

#032F32

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #182b3e;
/* rgb */ color: rgb(24, 43, 62);
/* oklch */ color: oklch(28.2% 0.043 249.6);

Tailwind

colors: {
  custom: {
    50: '#586473',
    500: '#182b3e',
    950: '#000000',
  },
}

SCSS

$custom: #182b3e;
$custom-light: #586473;
$custom-dark: #000000;

JSON

{
  "hex": "#182b3e",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 62
  },
  "hsl": {
    "h": 210,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.28247,
    "c": 0.04317,
    "h": 249.6
  },
  "luminance": 0.0227
}

Semantic roles & 50–950 ramp

primary

#182B3E

secondary

#74593D

accent

#9454D4

background

#F5F5F6

surface

#E9EAEC

border

#C5C6C7

text

#030508

muted

#78797B

Preview Lab

Preview with #182B3E

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

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