#312583#312583

#312583 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.5% C 0.150 H 280.9°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#312583
RGB	rgb(49, 37, 131)
HSL	hsl(248, 56%, 33%)
HSV	hsv(248, 72%, 51%)
CMYK	cmyk(62.6%, 71.8%, 0%, 48.6%)
CIE-LAB	lab(22.35, 34.03, -50.96)
CIE-LCH	lch(22.35, 61.28, 303.73°)
OKLab	oklab(34.52% 0.0284 -0.1469)
OKLCH	oklch(34.52% 0.15 280.9)
XYZ	xyz(6.0236, 3.6144, 21.8485)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312583 #778325

analogous

#254883 #312583 #602583

triadic

#312583 #833125 #258331

tetradic

#312583 #832548 #778325 #258360

square

#312583 #832548 #778325 #258360

split-complementary

#312583 #836025 #488325

monochromatic

#0D0A24 #1F1853 #312583 #4332B3 #6354CF

Accessibility & contrast

On white

12.19

#312583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#312583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312583

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312583	#FFFFFF	#000000	##FFFFFF
##312583	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003986

Deuteranopia (green-blind)

#003281

Tritanopia (blue-blind)

#003E51

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #312583;
/* rgb */ color: rgb(49, 37, 131);
/* oklch */ color: oklch(34.5% 0.150 280.9);

Tailwind

colors: {
  custom: {
    50: '#7461a8',
    500: '#312583',
    950: '#000000',
  },
}

SCSS

$custom: #312583;
$custom-light: #7461a8;
$custom-dark: #000000;

JSON

{
  "hex": "#312583",
  "rgb": {
    "r": 49,
    "g": 37,
    "b": 131
  },
  "hsl": {
    "h": 247.66,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34524,
    "c": 0.14959,
    "h": 280.9
  },
  "luminance": 0.03615
}

Semantic roles & 50–950 ramp

primary

#312583

secondary

#A6B351

accent

#DF49CC

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #312583

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

Preview Lab → · Contrast checker → · Palette generator →