#31208B#31208B

#31208B is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.6% C 0.165 H 280.6°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#31208B
RGB	rgb(49, 32, 139)
HSL	hsl(250, 63%, 34%)
HSV	hsv(250, 77%, 55%)
CMYK	cmyk(64.7%, 77%, 0%, 45.5%)
CIE-LAB	lab(22.12, 39.54, -56.36)
CIE-LCH	lch(22.12, 68.84, 305.05°)
OKLab	oklab(34.6% 0.0304 -0.1626)
OKLCH	oklch(34.6% 0.165 280.6)
XYZ	xyz(6.4419, 3.5496, 24.7668)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31208B #7A8B20

analogous

#20448B #31208B #66208B

triadic

#31208B #8B3120 #208B31

tetradic

#31208B #8B2044 #7A8B20 #208B66

square

#31208B #8B2044 #7A8B20 #208B66

split-complementary

#31208B #8B6620 #448B20

monochromatic

#0E0928 #1F1559 #31208B #432BBD #644FD6

Accessibility & contrast

On white

12.28

#31208B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#31208B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31208B

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31208B	#FFFFFF	#000000	##FFFFFF
##31208B	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003189

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #31208b;
/* rgb */ color: rgb(49, 32, 139);
/* oklch */ color: oklch(34.6% 0.165 280.6);

Tailwind

colors: {
  custom: {
    50: '#765eae',
    500: '#31208b',
    950: '#000000',
  },
}

SCSS

$custom: #31208b;
$custom-light: #765eae;
$custom-dark: #000000;

JSON

{
  "hex": "#31208b",
  "rgb": {
    "r": 49,
    "g": 32,
    "b": 139
  },
  "hsl": {
    "h": 249.533,
    "s": 62.573,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34604,
    "c": 0.16543,
    "h": 280.6
  },
  "luminance": 0.0355
}

Semantic roles & 50–950 ramp

primary

#31208B

secondary

#A8BA4D

accent

#E642CC

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #31208B

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

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