#303183#303183

#303183 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.134 H 276.9°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#303183
RGB	rgb(48, 49, 131)
HSL	hsl(239, 46%, 35%)
HSV	hsv(239, 63%, 51%)
CMYK	cmyk(63.4%, 62.6%, 0%, 48.6%)
CIE-LAB	lab(25.15, 26.19, -46.40)
CIE-LCH	lch(25.15, 53.28, 299.44°)
OKLab	oklab(36.53% 0.0162 -0.1335)
OKLCH	oklch(36.53% 0.134 276.9)
XYZ	xyz(6.4126, 4.4632, 21.9919)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303183 #838230

analogous

#305B83 #303183 #583083

triadic

#303183 #833031 #318330

tetradic

#303183 #83305B #838230 #308358

square

#303183 #83305B #838230 #308358

split-complementary

#303183 #835830 #5B8330

monochromatic

#0F0F29 #202056 #303183 #4042B0 #6668C7

Accessibility & contrast

On white

11.09

#303183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#303183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303183

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303183	#FFFFFF	#000000	##FFFFFF
##303183	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F86

Deuteranopia (green-blind)

#003881

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #303183;
/* rgb */ color: rgb(48, 49, 131);
/* oklch */ color: oklch(36.5% 0.134 276.9);

Tailwind

colors: {
  custom: {
    50: '#7269a8',
    500: '#303183',
    950: '#000000',
  },
}

SCSS

$custom: #303183;
$custom-light: #7269a8;
$custom-dark: #000000;

JSON

{
  "hex": "#303183",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 131
  },
  "hsl": {
    "h": 239.277,
    "s": 46.369,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36534,
    "c": 0.13447,
    "h": 276.9
  },
  "luminance": 0.04464
}

Semantic roles & 50–950 ramp

primary

#303183

secondary

#AEAD61

accent

#D452D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #303183

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

Preview Lab → · Contrast checker → · Palette generator →