#183772#183772

#183772 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.0% C 0.108 H 261.7°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#183772
RGB	rgb(24, 55, 114)
HSL	hsl(219, 65%, 27%)
HSV	hsv(219, 79%, 45%)
CMYK	cmyk(78.9%, 51.8%, 0%, 55.3%)
CIE-LAB	lab(24.13, 11.56, -37.36)
CIE-LCH	lch(24.13, 39.11, 287.20°)
OKLab	oklab(34.98% -0.0156 -0.1074)
OKLCH	oklch(34.98% 0.109 261.7)
XYZ	xyz(4.7790, 4.1409, 16.4637)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183772 #725318

analogous

#186472 #183772 #261872

triadic

#183772 #721837 #377218

tetradic

#183772 #721864 #725318 #187226

square

#183772 #721864 #725318 #187226

split-complementary

#183772 #722618 #647218

monochromatic

#050C19 #0D1F3F #183772 #234FA5 #3169D4

Accessibility & contrast

On white

11.49

#183772 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#183772 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183772

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183772	#FFFFFF	#000000	##FFFFFF
##183772	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143E74

Deuteranopia (green-blind)

#003571

Tritanopia (blue-blind)

#00454F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183772;
/* rgb */ color: rgb(24, 55, 114);
/* oklch */ color: oklch(35.0% 0.108 261.7);

Tailwind

colors: {
  custom: {
    50: '#636d9b',
    500: '#183772',
    950: '#000000',
  },
}

SCSS

$custom: #183772;
$custom-light: #636d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#183772",
  "rgb": {
    "r": 24,
    "g": 55,
    "b": 114
  },
  "hsl": {
    "h": 219.333,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34983,
    "c": 0.1085,
    "h": 261.7
  },
  "luminance": 0.04141
}

Semantic roles & 50–950 ramp

primary

#183772

secondary

#A7833E

accent

#AE40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #183772

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

Preview Lab → · Contrast checker → · Palette generator →