#182143#182143

#182143 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 25.9% C 0.065 H 270.2°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#182143
RGB	rgb(24, 33, 67)
HSL	hsl(227, 47%, 18%)
HSV	hsv(227, 64%, 26%)
CMYK	cmyk(64.2%, 50.7%, 0%, 73.7%)
CIE-LAB	lab(13.75, 8.25, -22.78)
CIE-LCH	lch(13.75, 24.23, 289.91°)
OKLab	oklab(25.95% 0.0003 -0.0649)
OKLCH	oklch(25.95% 0.065 270.2)
XYZ	xyz(1.9333, 1.6870, 5.5328)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182143 #433A18

analogous

#183643 #182143 #241843

triadic

#182143 #431821 #214318

tetradic

#182143 #431836 #433A18 #184324

square

#182143 #431836 #433A18 #184324

split-complementary

#182143 #432418 #364318

monochromatic

#080B17 #080B17 #182143 #283770 #384D9D

Accessibility & contrast

On white

15.70

#182143 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#182143 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182143

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182143	#FFFFFF	#000000	##FFFFFF
##182143	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122544

Deuteranopia (green-blind)

#0C2142

Tritanopia (blue-blind)

#01292E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #182143;
/* rgb */ color: rgb(24, 33, 67);
/* oklch */ color: oklch(25.9% 0.065 270.2);

Tailwind

colors: {
  custom: {
    50: '#595b77',
    500: '#182143',
    950: '#000000',
  },
}

SCSS

$custom: #182143;
$custom-light: #595b77;
$custom-dark: #000000;

JSON

{
  "hex": "#182143",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 67
  },
  "hsl": {
    "h": 227.442,
    "s": 47.253,
    "l": 17.843
  },
  "oklch": {
    "l": 0.25948,
    "c": 0.0649,
    "h": 270.2
  },
  "luminance": 0.01687
}

Semantic roles & 50–950 ramp

primary

#182143

secondary

#7A6D3D

accent

#BB51D7

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040408

muted

#79797B

Preview Lab

Preview with #182143

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

Preview Lab → · Contrast checker → · Palette generator →