#183872#183872

#183872 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.2% C 0.107 H 261.1°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#183872
RGB	rgb(24, 56, 114)
HSL	hsl(219, 65%, 27%)
HSV	hsv(219, 79%, 45%)
CMYK	cmyk(78.9%, 50.9%, 0%, 55.3%)
CIE-LAB	lab(24.44, 10.85, -36.86)
CIE-LCH	lch(24.44, 38.42, 286.40°)
OKLab	oklab(35.22% -0.0165 -0.1059)
OKLCH	oklch(35.22% 0.107 261.1)
XYZ	xyz(4.8270, 4.2369, 16.4797)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183872 #725218

analogous

#186572 #183872 #251872

triadic

#183872 #721838 #387218

tetradic

#183872 #721865 #725218 #187225

square

#183872 #721865 #725218 #187225

split-complementary

#183872 #722518 #657218

monochromatic

#050C19 #0D1F3F #183872 #2351A5 #316BD4

Accessibility & contrast

On white

11.37

#183872 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#183872 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183872

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183872	#FFFFFF	#000000	##FFFFFF
##183872	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173E74

Deuteranopia (green-blind)

#003671

Tritanopia (blue-blind)

#00464F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #183872;
/* rgb */ color: rgb(24, 56, 114);
/* oklch */ color: oklch(35.2% 0.107 261.1);

Tailwind

colors: {
  custom: {
    50: '#636e9b',
    500: '#183872',
    950: '#000000',
  },
}

SCSS

$custom: #183872;
$custom-light: #636e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#183872",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 114
  },
  "hsl": {
    "h": 218.667,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.35219,
    "c": 0.10717,
    "h": 261.1
  },
  "luminance": 0.04237
}

Semantic roles & 50–950 ramp

primary

#183872

secondary

#A7823E

accent

#AC40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #183872

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

Preview Lab → · Contrast checker → · Palette generator →