#183283#183283

#183283 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.140 H 265.8°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#183283
RGB	rgb(24, 50, 131)
HSL	hsl(225, 69%, 30%)
HSV	hsv(225, 82%, 51%)
CMYK	cmyk(81.7%, 61.8%, 0%, 48.6%)
CIE-LAB	lab(24.04, 22.11, -48.26)
CIE-LCH	lch(24.04, 53.08, 294.61°)
OKLab	oklab(35.35% -0.0103 -0.1395)
OKLCH	oklch(35.35% 0.14 265.8)
XYZ	xyz(5.6126, 4.1134, 21.9665)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183283 #836918

analogous

#186783 #183283 #341883

triadic

#183283 #831832 #328318

tetradic

#183283 #831867 #836918 #188334

square

#183283 #831867 #836918 #188334

split-complementary

#183283 #833418 #678318

monochromatic

#050B1C #0F1E4F #183283 #2146B7 #3A61DB

Accessibility & contrast

On white

11.52

#183283 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#183283 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183283

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183283	#FFFFFF	#000000	##FFFFFF
##183283	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E86

Deuteranopia (green-blind)

#003481

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183283;
/* rgb */ color: rgb(24, 50, 131);
/* oklch */ color: oklch(35.3% 0.140 265.8);

Tailwind

colors: {
  custom: {
    50: '#6869a8',
    500: '#183283',
    950: '#000000',
  },
}

SCSS

$custom: #183283;
$custom-light: #6869a8;
$custom-dark: #000000;

JSON

{
  "hex": "#183283",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 131
  },
  "hsl": {
    "h": 225.421,
    "s": 69.032,
    "l": 30.392
  },
  "oklch": {
    "l": 0.35348,
    "c": 0.13989,
    "h": 265.8
  },
  "luminance": 0.04114
}

Semantic roles & 50–950 ramp

primary

#183283

secondary

#B79A40

accent

#C13CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #183283

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

Preview Lab → · Contrast checker → · Palette generator →