#182A38#182A38

#182A38 is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.6% C 0.035 H 243.0°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#182A38
RGB	rgb(24, 42, 56)
HSL	hsl(206, 40%, 16%)
HSV	hsv(206, 57%, 22%)
CMYK	cmyk(57.1%, 25%, 0%, 78%)
CIE-LAB	lab(16.18, -2.59, -11.28)
CIE-LCH	lch(16.18, 11.58, 257.08°)
OKLab	oklab(27.63% -0.016 -0.0314)
OKLCH	oklch(27.63% 0.035 243)
XYZ	xyz(1.9182, 2.1355, 4.0517)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A38 #382618

analogous

#183836 #182A38 #181A38

triadic

#182A38 #38182A #2A3818

tetradic

#182A38 #361838 #382618 #1A3818

square

#182A38 #361838 #382618 #1A3818

split-complementary

#182A38 #38181A #383618

monochromatic

#091015 #091015 #182A38 #2A4A63 #3D6A8E

Accessibility & contrast

On white

14.71

#182A38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#182A38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A38

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A38	#FFFFFF	#000000	##FFFFFF
##182A38	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242A39

Deuteranopia (green-blind)

#202738

Tritanopia (blue-blind)

#092D2F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #182a38;
/* rgb */ color: rgb(24, 42, 56);
/* oklch */ color: oklch(27.6% 0.035 243.0);

Tailwind

colors: {
  custom: {
    50: '#57636e',
    500: '#182a38',
    950: '#000000',
  },
}

SCSS

$custom: #182a38;
$custom-light: #57636e;
$custom-dark: #000000;

JSON

{
  "hex": "#182a38",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 56
  },
  "hsl": {
    "h": 206.25,
    "s": 40,
    "l": 15.686
  },
  "oklch": {
    "l": 0.27626,
    "c": 0.03528,
    "h": 243
  },
  "luminance": 0.02136
}

Semantic roles & 50–950 ramp

primary

#182A38

secondary

#6E533E

accent

#8C58D0

background

#F5F5F6

surface

#E9EAEC

border

#C5C6C7

text

#030507

muted

#78797A

Preview Lab

Preview with #182A38

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

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