#183473#183473

#183473 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.4% C 0.114 H 263.5°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#183473
RGB	rgb(24, 52, 115)
HSL	hsl(222, 65%, 27%)
HSV	hsv(222, 79%, 45%)
CMYK	cmyk(79.1%, 54.8%, 0%, 54.9%)
CIE-LAB	lab(23.30, 14.12, -39.35)
CIE-LCH	lch(23.30, 41.80, 289.74°)
OKLab	oklab(34.37% -0.0129 -0.1133)
OKLCH	oklch(34.37% 0.114 263.5)
XYZ	xyz(4.6981, 3.8875, 16.7191)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183473 #735718

analogous

#186273 #183473 #291873

triadic

#183473 #731834 #347318

tetradic

#183473 #731862 #735718 #187329

square

#183473 #731862 #735718 #187329

split-complementary

#183473 #732918 #627318

monochromatic

#050B19 #0D1D40 #183473 #234BA6 #3163D4

Accessibility & contrast

On white

11.81

#183473 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#183473 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183473

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183473	#FFFFFF	#000000	##FFFFFF
##183473	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083C75

Deuteranopia (green-blind)

#003472

Tritanopia (blue-blind)

#00434E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183473;
/* rgb */ color: rgb(24, 52, 115);
/* oklch */ color: oklch(34.4% 0.114 263.5);

Tailwind

colors: {
  custom: {
    50: '#646a9c',
    500: '#183473',
    950: '#000000',
  },
}

SCSS

$custom: #183473;
$custom-light: #646a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#183473",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 115
  },
  "hsl": {
    "h": 221.538,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.3437,
    "c": 0.11402,
    "h": 263.5
  },
  "luminance": 0.03888
}

Semantic roles & 50–950 ramp

primary

#183473

secondary

#A8883F

accent

#B43FE8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183473

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

Preview Lab → · Contrast checker → · Palette generator →