#183372#183372

#183372 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.114 H 263.9°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#183372
RGB	rgb(24, 51, 114)
HSL	hsl(222, 65%, 27%)
HSV	hsv(222, 79%, 45%)
CMYK	cmyk(78.9%, 55.3%, 0%, 55.3%)
CIE-LAB	lab(22.92, 14.42, -39.32)
CIE-LCH	lch(22.92, 41.88, 290.14°)
OKLab	oklab(34.06% -0.0121 -0.1132)
OKLCH	oklch(34.06% 0.114 263.9)
XYZ	xyz(4.5967, 3.7762, 16.4030)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183372 #725718

analogous

#186072 #183372 #2A1872

triadic

#183372 #721833 #337218

tetradic

#183372 #721860 #725718 #18722A

square

#183372 #721860 #725718 #18722A

split-complementary

#183372 #722A18 #607218

monochromatic

#050B19 #0D1C3F #183372 #234AA5 #3162D4

Accessibility & contrast

On white

11.96

#183372 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#183372 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183372

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183372	#FFFFFF	#000000	##FFFFFF
##183372	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063B74

Deuteranopia (green-blind)

#003371

Tritanopia (blue-blind)

#00424D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183372;
/* rgb */ color: rgb(24, 51, 114);
/* oklch */ color: oklch(34.1% 0.114 263.9);

Tailwind

colors: {
  custom: {
    50: '#646a9b',
    500: '#183372',
    950: '#000000',
  },
}

SCSS

$custom: #183372;
$custom-light: #646a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#183372",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 114
  },
  "hsl": {
    "h": 222,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34058,
    "c": 0.11388,
    "h": 263.9
  },
  "luminance": 0.03777
}

Semantic roles & 50–950 ramp

primary

#183372

secondary

#A7883E

accent

#B640E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183372

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

Preview Lab → · Contrast checker → · Palette generator →