#312683#312683

#312683 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.7% C 0.148 H 280.7°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#312683
RGB	rgb(49, 38, 131)
HSL	hsl(247, 55%, 33%)
HSV	hsv(247, 71%, 51%)
CMYK	cmyk(62.6%, 71%, 0%, 48.6%)
CIE-LAB	lab(22.58, 33.42, -50.60)
CIE-LCH	lch(22.58, 60.64, 303.45°)
OKLab	oklab(34.68% 0.0275 -0.1458)
OKLCH	oklch(34.68% 0.148 280.7)
XYZ	xyz(6.0552, 3.6775, 21.8591)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312683 #788326

analogous

#264983 #312683 #5F2683

triadic

#312683 #833126 #268331

tetradic

#312683 #832649 #788326 #26835F

square

#312683 #832649 #788326 #26835F

split-complementary

#312683 #835F26 #498326

monochromatic

#0E0A24 #1F1854 #312683 #4334B2 #6456CE

Accessibility & contrast

On white

12.10

#312683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#312683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312683

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312683	#FFFFFF	#000000	##FFFFFF
##312683	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003986

Deuteranopia (green-blind)

#003281

Tritanopia (blue-blind)

#003F51

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #312683;
/* rgb */ color: rgb(49, 38, 131);
/* oklch */ color: oklch(34.7% 0.148 280.7);

Tailwind

colors: {
  custom: {
    50: '#7361a8',
    500: '#312683',
    950: '#000000',
  },
}

SCSS

$custom: #312683;
$custom-light: #7361a8;
$custom-dark: #000000;

JSON

{
  "hex": "#312683",
  "rgb": {
    "r": 49,
    "g": 38,
    "b": 131
  },
  "hsl": {
    "h": 247.097,
    "s": 55.03,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34683,
    "c": 0.14839,
    "h": 280.7
  },
  "luminance": 0.03678
}

Semantic roles & 50–950 ramp

primary

#312683

secondary

#A7B252

accent

#DE49CD

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #312683

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

Preview Lab → · Contrast checker → · Palette generator →