#182D43#182D43

#182D43 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.1% C 0.049 H 250.9°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#182D43
RGB	rgb(24, 45, 67)
HSL	hsl(211, 47%, 18%)
HSV	hsv(211, 64%, 26%)
CMYK	cmyk(64.2%, 32.8%, 0%, 73.7%)
CIE-LAB	lab(17.81, -0.53, -16.37)
CIE-LCH	lch(17.81, 16.38, 268.15°)
OKLab	oklab(29.1% -0.016 -0.046)
OKLCH	oklch(29.1% 0.049 250.9)
XYZ	xyz(2.3278, 2.4760, 5.6643)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D43 #432E18

analogous

#184243 #182D43 #181843

triadic

#182D43 #43182D #2D4318

tetradic

#182D43 #431842 #432E18 #184318

square

#182D43 #431842 #432E18 #184318

split-complementary

#182D43 #431818 #424318

monochromatic

#080F17 #080F17 #182D43 #284B70 #386A9D

Accessibility & contrast

On white

14.04

#182D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#182D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D43

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D43	#FFFFFF	#000000	##FFFFFF
##182D43	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242E44

Deuteranopia (green-blind)

#1E2A43

Tritanopia (blue-blind)

#003235

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182d43;
/* rgb */ color: rgb(24, 45, 67);
/* oklch */ color: oklch(29.1% 0.049 250.9);

Tailwind

colors: {
  custom: {
    50: '#596577',
    500: '#182d43',
    950: '#000000',
  },
}

SCSS

$custom: #182d43;
$custom-light: #596577;
$custom-dark: #000000;

JSON

{
  "hex": "#182d43",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 67
  },
  "hsl": {
    "h": 210.698,
    "s": 47.253,
    "l": 17.843
  },
  "oklch": {
    "l": 0.29096,
    "c": 0.04873,
    "h": 250.9
  },
  "luminance": 0.02476
}

Semantic roles & 50–950 ramp

primary

#182D43

secondary

#7A5C3D

accent

#9551D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040508

muted

#797A7B

Preview Lab

Preview with #182D43

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

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