#312799#312799

#312799 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.0% C 0.176 H 277.4°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#312799
RGB	rgb(49, 39, 153)
HSL	hsl(245, 59%, 38%)
HSV	hsv(245, 75%, 60%)
CMYK	cmyk(68%, 74.5%, 0%, 40%)
CIE-LAB	lab(24.96, 40.16, -60.34)
CIE-LCH	lch(24.96, 72.48, 303.65°)
OKLab	oklab(37.05% 0.0226 -0.1743)
OKLCH	oklch(37.05% 0.176 277.4)
XYZ	xyz(7.7400, 4.4032, 30.5728)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312799 #8F9927

analogous

#275699 #312799 #6A2799

triadic

#312799 #993127 #279931

tetradic

#312799 #992756 #8F9927 #27996A

square

#312799 #992756 #8F9927 #27996A

split-complementary

#312799 #996A27 #569927

monochromatic

#120E37 #211B68 #312799 #4133CA #6D63D7

Accessibility & contrast

On white

11.17

#312799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#312799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312799

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312799	#FFFFFF	#000000	##FFFFFF
##312799	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409C

Deuteranopia (green-blind)

#003697

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #312799;
/* rgb */ color: rgb(49, 39, 153);
/* oklch */ color: oklch(37.0% 0.176 277.4);

Tailwind

colors: {
  custom: {
    50: '#7863b8',
    500: '#312799',
    950: '#000000',
  },
}

SCSS

$custom: #312799;
$custom-light: #7863b8;
$custom-dark: #000000;

JSON

{
  "hex": "#312799",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 153
  },
  "hsl": {
    "h": 245.263,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37046,
    "c": 0.17576,
    "h": 277.4
  },
  "luminance": 0.04404
}

Semantic roles & 50–950 ramp

primary

#312799

secondary

#B5BD5F

accent

#E345D5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0511

muted

#7C7A80

Preview Lab

Preview with #312799

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

Preview Lab → · Contrast checker → · Palette generator →