#183477#183477

#183477 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.7% C 0.120 H 264.0°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#183477
RGB	rgb(24, 52, 119)
HSL	hsl(222, 66%, 28%)
HSV	hsv(222, 80%, 47%)
CMYK	cmyk(79.8%, 56.3%, 0%, 53.3%)
CIE-LAB	lab(23.61, 15.78, -41.39)
CIE-LCH	lch(23.61, 44.29, 290.87°)
OKLab	oklab(34.71% -0.0125 -0.1193)
OKLCH	oklch(34.71% 0.12 264)
XYZ	xyz(4.9333, 3.9815, 17.9577)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183477 #775B18

analogous

#186377 #183477 #2B1877

triadic

#183477 #771834 #347718

tetradic

#183477 #771863 #775B18 #18772B

square

#183477 #771863 #775B18 #18772B

split-complementary

#183477 #772B18 #637718

monochromatic

#050B19 #0E1E44 #183477 #224AAA #3363D6

Accessibility & contrast

On white

11.69

#183477 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#183477 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183477

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183477	#FFFFFF	#000000	##FFFFFF
##183477	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D79

Deuteranopia (green-blind)

#003476

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183477;
/* rgb */ color: rgb(24, 52, 119);
/* oklch */ color: oklch(34.7% 0.120 264.0);

Tailwind

colors: {
  custom: {
    50: '#656a9f',
    500: '#183477',
    950: '#000000',
  },
}

SCSS

$custom: #183477;
$custom-light: #656a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#183477",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 119
  },
  "hsl": {
    "h": 222.316,
    "s": 66.434,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34708,
    "c": 0.11994,
    "h": 264
  },
  "luminance": 0.03982
}

Semantic roles & 50–950 ramp

primary

#183477

secondary

#AC8C3F

accent

#B73EE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183477

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

Preview Lab → · Contrast checker → · Palette generator →