#183782#183782

#183782 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.132 H 264.0°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#183782
RGB	rgb(24, 55, 130)
HSL	hsl(222, 69%, 30%)
HSV	hsv(222, 82%, 51%)
CMYK	cmyk(81.5%, 57.7%, 0%, 49%)
CIE-LAB	lab(25.37, 18.18, -45.46)
CIE-LCH	lch(25.37, 48.96, 291.79°)
OKLab	oklab(36.32% -0.0139 -0.1312)
OKLCH	oklch(36.32% 0.132 264)
XYZ	xyz(5.7707, 4.5376, 21.6865)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183782 #826318

analogous

#186C82 #183782 #2E1882

triadic

#183782 #821837 #378218

tetradic

#183782 #82186C #826318 #18822E

square

#183782 #82186C #826318 #18822E

split-complementary

#183782 #822E18 #6C8218

monochromatic

#050B1B #0E214E #183782 #224DB6 #3A69DB

Accessibility & contrast

On white

11.01

#183782 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#183782 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183782

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183782	#FFFFFF	#000000	##FFFFFF
##183782	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004185

Deuteranopia (green-blind)

#003781

Tritanopia (blue-blind)

#004A57

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #183782;
/* rgb */ color: rgb(24, 55, 130);
/* oklch */ color: oklch(36.3% 0.132 264.0);

Tailwind

colors: {
  custom: {
    50: '#686da7',
    500: '#183782',
    950: '#000000',
  },
}

SCSS

$custom: #183782;
$custom-light: #686da7;
$custom-dark: #000000;

JSON

{
  "hex": "#183782",
  "rgb": {
    "r": 24,
    "g": 55,
    "b": 130
  },
  "hsl": {
    "h": 222.453,
    "s": 68.831,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36321,
    "c": 0.13195,
    "h": 264
  },
  "luminance": 0.04538
}

Semantic roles & 50–950 ramp

primary

#183782

secondary

#B69340

accent

#B83CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #183782

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

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