#182F3C#182F3C

#182F3C is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.038 H 234.8°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#182F3C
RGB	rgb(24, 47, 60)
HSL	hsl(202, 43%, 16%)
HSV	hsv(202, 60%, 24%)
CMYK	cmyk(60%, 21.7%, 0%, 76.5%)
CIE-LAB	lab(18.16, -4.55, -11.02)
CIE-LCH	lch(18.16, 11.92, 247.54°)
OKLab	oklab(29.25% -0.0216 -0.0307)
OKLCH	oklch(29.25% 0.038 234.8)
XYZ	xyz(2.2085, 2.5533, 4.6505)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F3C #3C2518

analogous

#183C37 #182F3C #181D3C

triadic

#182F3C #3C182F #2F3C18

tetradic

#182F3C #37183C #3C2518 #1D3C18

square

#182F3C #37183C #3C2518 #1D3C18

split-complementary

#182F3C #3C181D #3C3718

monochromatic

#091116 #091116 #182F3C #295168 #3B7393

Accessibility & contrast

On white

13.90

#182F3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#182F3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F3C

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F3C	#FFFFFF	#000000	##FFFFFF
##182F3C	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292F3D

Deuteranopia (green-blind)

#242B3C

Tritanopia (blue-blind)

#043233

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182f3c;
/* rgb */ color: rgb(24, 47, 60);
/* oklch */ color: oklch(29.3% 0.038 234.8);

Tailwind

colors: {
  custom: {
    50: '#586771',
    500: '#182f3c',
    950: '#000000',
  },
}

SCSS

$custom: #182f3c;
$custom-light: #586771;
$custom-dark: #000000;

JSON

{
  "hex": "#182f3c",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 60
  },
  "hsl": {
    "h": 201.667,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.29253,
    "c": 0.03751,
    "h": 234.8
  },
  "luminance": 0.02553
}

Semantic roles & 50–950 ramp

primary

#182F3C

secondary

#72513E

accent

#8255D3

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #182F3C

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

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