#183172#183172

#183172 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.117 H 264.9°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#183172
RGB	rgb(24, 49, 114)
HSL	hsl(223, 65%, 27%)
HSV	hsv(223, 79%, 45%)
CMYK	cmyk(78.9%, 57%, 0%, 55.3%)
CIE-LAB	lab(22.32, 15.86, -40.29)
CIE-LCH	lch(22.32, 43.29, 291.48°)
OKLab	oklab(33.61% -0.0105 -0.1161)
OKLCH	oklch(33.61% 0.117 264.9)
XYZ	xyz(4.5112, 3.6052, 16.3744)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183172 #725918

analogous

#185E72 #183172 #2C1872

triadic

#183172 #721831 #317218

tetradic

#183172 #72185E #725918 #18722C

square

#183172 #72185E #725918 #18722C

split-complementary

#183172 #722C18 #5E7218

monochromatic

#050B19 #0D1B3F #183172 #2347A5 #315ED4

Accessibility & contrast

On white

12.20

#183172 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#183172 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183172

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183172	#FFFFFF	#000000	##FFFFFF
##183172	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A74

Deuteranopia (green-blind)

#003171

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183172;
/* rgb */ color: rgb(24, 49, 114);
/* oklch */ color: oklch(33.6% 0.117 264.9);

Tailwind

colors: {
  custom: {
    50: '#64689b',
    500: '#183172',
    950: '#000000',
  },
}

SCSS

$custom: #183172;
$custom-light: #64689b;
$custom-dark: #000000;

JSON

{
  "hex": "#183172",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 114
  },
  "hsl": {
    "h": 223.333,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.33606,
    "c": 0.11658,
    "h": 264.9
  },
  "luminance": 0.03606
}

Semantic roles & 50–950 ramp

primary

#183172

secondary

#A78A3E

accent

#B940E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183172

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

Preview Lab → · Contrast checker → · Palette generator →