#182C40#182C40

#182C40 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.6% C 0.045 H 249.7°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#182C40
RGB	rgb(24, 44, 64)
HSL	hsl(210, 45%, 17%)
HSV	hsv(210, 63%, 25%)
CMYK	cmyk(62.5%, 31.2%, 0%, 74.9%)
CIE-LAB	lab(17.30, -0.98, -15.10)
CIE-LCH	lch(17.30, 15.14, 266.28°)
OKLab	oklab(28.64% -0.0157 -0.0424)
OKLCH	oklch(28.64% 0.045 249.7)
XYZ	xyz(2.2025, 2.3655, 5.1900)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C40 #402C18

analogous

#184040 #182C40 #181840

triadic

#182C40 #40182C #2C4018

tetradic

#182C40 #401840 #402C18 #184018

square

#182C40 #401840 #402C18 #184018

split-complementary

#182C40 #401818 #404018

monochromatic

#080F16 #080F16 #182C40 #294B6D #396999

Accessibility & contrast

On white

14.25

#182C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#182C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C40

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C40	#FFFFFF	#000000	##FFFFFF
##182C40	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242D41

Deuteranopia (green-blind)

#1F2940

Tritanopia (blue-blind)

#013133

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182c40;
/* rgb */ color: rgb(24, 44, 64);
/* oklch */ color: oklch(28.6% 0.045 249.7);

Tailwind

colors: {
  custom: {
    50: '#586475',
    500: '#182c40',
    950: '#000000',
  },
}

SCSS

$custom: #182c40;
$custom-light: #586475;
$custom-dark: #000000;

JSON

{
  "hex": "#182c40",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 64
  },
  "hsl": {
    "h": 210,
    "s": 45.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.28642,
    "c": 0.04521,
    "h": 249.7
  },
  "luminance": 0.02366
}

Semantic roles & 50–950 ramp

primary

#182C40

secondary

#775A3D

accent

#9453D5

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030508

muted

#787A7B

Preview Lab

Preview with #182C40

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

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