#31218E#31218E

#31218E is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.1% C 0.168 H 279.9°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#31218E
RGB	rgb(49, 33, 142)
HSL	hsl(249, 62%, 34%)
HSV	hsv(249, 77%, 56%)
CMYK	cmyk(65.5%, 76.8%, 0%, 44.3%)
CIE-LAB	lab(22.63, 39.95, -57.39)
CIE-LCH	lch(22.63, 69.93, 304.84°)
OKLab	oklab(35.06% 0.0289 -0.1656)
OKLCH	oklch(35.06% 0.168 279.9)
XYZ	xyz(6.6914, 3.6931, 25.9462)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31218E #7E8E21

analogous

#21488E #31218E #68218E

triadic

#31218E #8E3121 #218E31

tetradic

#31218E #8E2148 #7E8E21 #218E68

square

#31218E #8E2148 #7E8E21 #218E68

split-complementary

#31218E #8E6821 #488E21

monochromatic

#0F0A2B #20155C #31218E #422DC0 #6652D7

Accessibility & contrast

On white

12.08

#31218E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#31218E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31218E

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31218E	#FFFFFF	#000000	##FFFFFF
##31218E	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31218e;
/* rgb */ color: rgb(49, 33, 142);
/* oklch */ color: oklch(35.1% 0.168 279.9);

Tailwind

colors: {
  custom: {
    50: '#765fb0',
    500: '#31218e',
    950: '#000000',
  },
}

SCSS

$custom: #31218e;
$custom-light: #765fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#31218e",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 142
  },
  "hsl": {
    "h": 248.807,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35055,
    "c": 0.16816,
    "h": 279.9
  },
  "luminance": 0.03694
}

Semantic roles & 50–950 ramp

primary

#31218E

secondary

#ABBA50

accent

#E542CD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #31218E

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

Preview Lab → · Contrast checker → · Palette generator →