#312679#312679

#312679 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.135 H 282.4°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#312679
RGB	rgb(49, 38, 121)
HSL	hsl(248, 52%, 31%)
HSV	hsv(248, 69%, 47%)
CMYK	cmyk(59.5%, 68.6%, 0%, 52.5%)
CIE-LAB	lab(21.65, 30.05, -45.78)
CIE-LCH	lch(21.65, 54.76, 303.28°)
OKLab	oklab(33.73% 0.029 -0.1317)
OKLCH	oklch(33.73% 0.135 282.4)
XYZ	xyz(5.4099, 3.4193, 18.4604)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312679 #6E7926

analogous

#264479 #312679 #5A2679

triadic

#312679 #793126 #267931

tetradic

#312679 #792644 #6E7926 #26795A

square

#312679 #792644 #6E7926 #26795A

split-complementary

#312679 #795A26 #447926

monochromatic

#0B091C #1E174A #312679 #4435A8 #6151C8

Accessibility & contrast

On white

12.47

#312679 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#312679 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312679

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312679	#FFFFFF	#000000	##FFFFFF
##312679	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377C

Deuteranopia (green-blind)

#003177

Tritanopia (blue-blind)

#0A3B4C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #312679;
/* rgb */ color: rgb(49, 38, 121);
/* oklch */ color: oklch(33.7% 0.135 282.4);

Tailwind

colors: {
  custom: {
    50: '#7161a0',
    500: '#312679',
    950: '#000000',
  },
}

SCSS

$custom: #312679;
$custom-light: #7161a0;
$custom-dark: #000000;

JSON

{
  "hex": "#312679",
  "rgb": {
    "r": 49,
    "g": 38,
    "b": 121
  },
  "hsl": {
    "h": 247.952,
    "s": 52.201,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33732,
    "c": 0.13484,
    "h": 282.4
  },
  "luminance": 0.0342
}

Semantic roles & 50–950 ramp

primary

#312679

secondary

#9FAB50

accent

#DC4CC9

background

#F7F5FA

surface

#EDEAF3

border

#C8C6CD

text

#08050F

muted

#7B797F

Preview Lab

Preview with #312679

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

Preview Lab → · Contrast checker → · Palette generator →