#183483#183483

#183483 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.8% C 0.137 H 265.1°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#183483
RGB	rgb(24, 52, 131)
HSL	hsl(224, 69%, 30%)
HSV	hsv(224, 82%, 51%)
CMYK	cmyk(81.7%, 60.3%, 0%, 48.6%)
CIE-LAB	lab(24.60, 20.70, -47.35)
CIE-LCH	lch(24.60, 51.68, 293.62°)
OKLab	oklab(35.77% -0.0117 -0.1368)
OKLCH	oklch(35.77% 0.137 265.1)
XYZ	xyz(5.7000, 4.2882, 21.9956)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183483 #836718

analogous

#186983 #183483 #311883

triadic

#183483 #831834 #348318

tetradic

#183483 #831869 #836718 #188331

square

#183483 #831869 #836718 #188331

split-complementary

#183483 #833118 #698318

monochromatic

#050B1C #0F1F4F #183483 #2149B7 #3A64DB

Accessibility & contrast

On white

11.30

#183483 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#183483 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183483

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183483	#FFFFFF	#000000	##FFFFFF
##183483	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004086

Deuteranopia (green-blind)

#003681

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #183483;
/* rgb */ color: rgb(24, 52, 131);
/* oklch */ color: oklch(35.8% 0.137 265.1);

Tailwind

colors: {
  custom: {
    50: '#686ba8',
    500: '#183483',
    950: '#000000',
  },
}

SCSS

$custom: #183483;
$custom-light: #686ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#183483",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 131
  },
  "hsl": {
    "h": 224.299,
    "s": 69.032,
    "l": 30.392
  },
  "oklch": {
    "l": 0.35766,
    "c": 0.1373,
    "h": 265.1
  },
  "luminance": 0.04289
}

Semantic roles & 50–950 ramp

primary

#183483

secondary

#B79840

accent

#BE3CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #183483

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

Preview Lab → · Contrast checker → · Palette generator →