#312474#312474

#312474 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.9% C 0.131 H 284.0°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#312474
RGB	rgb(49, 36, 116)
HSL	hsl(250, 53%, 30%)
HSV	hsv(250, 69%, 45%)
CMYK	cmyk(57.8%, 69%, 0%, 54.5%)
CIE-LAB	lab(20.73, 29.62, -44.08)
CIE-LCH	lch(20.73, 53.11, 303.90°)
OKLab	oklab(32.93% 0.0317 -0.1267)
OKLCH	oklch(32.93% 0.131 284)
XYZ	xyz(5.0489, 3.1754, 16.8665)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312474 #677424

analogous

#243F74 #312474 #592474

triadic

#312474 #743124 #247431

tetradic

#312474 #74243F #677424 #247459

square

#312474 #74243F #677424 #247459

split-complementary

#312474 #745924 #3F7424

monochromatic

#0A0717 #1D1645 #312474 #4532A3 #5F4BC7

Accessibility & contrast

On white

12.84

#312474 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#312474 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312474

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312474	#FFFFFF	#000000	##FFFFFF
##312474	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003476

Deuteranopia (green-blind)

#002F72

Tritanopia (blue-blind)

#123848

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #312474;
/* rgb */ color: rgb(49, 36, 116);
/* oklch */ color: oklch(32.9% 0.131 284.0);

Tailwind

colors: {
  custom: {
    50: '#71609d',
    500: '#312474',
    950: '#000000',
  },
}

SCSS

$custom: #312474;
$custom-light: #71609d;
$custom-dark: #000000;

JSON

{
  "hex": "#312474",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 116
  },
  "hsl": {
    "h": 249.75,
    "s": 52.632,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32929,
    "c": 0.13059,
    "h": 284
  },
  "luminance": 0.03176
}

Semantic roles & 50–950 ramp

primary

#312474

secondary

#98A74D

accent

#DC4CC5

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08050E

muted

#7B797E

Preview Lab

Preview with #312474

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

Preview Lab → · Contrast checker → · Palette generator →