#182D3F#182D3F

#182D3F is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.9% C 0.043 H 245.9°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#182D3F
RGB	rgb(24, 45, 63)
HSL	hsl(208, 45%, 17%)
HSV	hsv(208, 62%, 25%)
CMYK	cmyk(61.9%, 28.6%, 0%, 75.3%)
CIE-LAB	lab(17.60, -2.06, -13.95)
CIE-LCH	lch(17.60, 14.10, 261.58°)
OKLab	oklab(28.86% -0.0175 -0.0391)
OKLCH	oklch(28.86% 0.043 245.9)
XYZ	xyz(2.2120, 2.4297, 5.0541)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D3F #3F2A18

analogous

#183F3E #182D3F #181A3F

triadic

#182D3F #3F182D #2D3F18

tetradic

#182D3F #3E183F #3F2A18 #1A3F18

square

#182D3F #3E183F #3F2A18 #1A3F18

split-complementary

#182D3F #3F181A #3F3E18

monochromatic

#081016 #081016 #182D3F #294D6B #3A6C98

Accessibility & contrast

On white

14.13

#182D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#182D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D3F

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D3F	#FFFFFF	#000000	##FFFFFF
##182D3F	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252D40

Deuteranopia (green-blind)

#20293F

Tritanopia (blue-blind)

#023133

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182d3f;
/* rgb */ color: rgb(24, 45, 63);
/* oklch */ color: oklch(28.9% 0.043 245.9);

Tailwind

colors: {
  custom: {
    50: '#586574',
    500: '#182d3f',
    950: '#000000',
  },
}

SCSS

$custom: #182d3f;
$custom-light: #586574;
$custom-dark: #000000;

JSON

{
  "hex": "#182d3f",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 63
  },
  "hsl": {
    "h": 207.692,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.28859,
    "c": 0.0428,
    "h": 245.9
  },
  "luminance": 0.0243
}

Semantic roles & 50–950 ramp

primary

#182D3F

secondary

#75573D

accent

#8F53D5

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030508

muted

#787A7B

Preview Lab

Preview with #182D3F

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

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