#31218A#31218A

#31218A is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.6% C 0.163 H 280.6°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#31218A
RGB	rgb(49, 33, 138)
HSL	hsl(249, 61%, 34%)
HSV	hsv(249, 76%, 54%)
CMYK	cmyk(64.5%, 76.1%, 0%, 45.9%)
CIE-LAB	lab(22.21, 38.66, -55.58)
CIE-LCH	lch(22.21, 67.71, 304.82°)
OKLab	oklab(34.64% 0.0299 -0.1604)
OKLCH	oklch(34.64% 0.163 280.6)
XYZ	xyz(6.3965, 3.5752, 24.3928)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31218A #7A8A21

analogous

#21458A #31218A #65218A

triadic

#31218A #8A3121 #218A31

tetradic

#31218A #8A2145 #7A8A21 #218A65

square

#31218A #8A2145 #7A8A21 #218A65

split-complementary

#31218A #8A6521 #458A21

monochromatic

#0E0927 #1F1559 #31218A #432DBB #6450D5

Accessibility & contrast

On white

12.24

#31218A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#31218A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31218A

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31218A	#FFFFFF	#000000	##FFFFFF
##31218A	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398D

Deuteranopia (green-blind)

#003188

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #31218a;
/* rgb */ color: rgb(49, 33, 138);
/* oklch */ color: oklch(34.6% 0.163 280.6);

Tailwind

colors: {
  custom: {
    50: '#755fad',
    500: '#31218a',
    950: '#000000',
  },
}

SCSS

$custom: #31218a;
$custom-light: #755fad;
$custom-dark: #000000;

JSON

{
  "hex": "#31218a",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 138
  },
  "hsl": {
    "h": 249.143,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34637,
    "c": 0.16314,
    "h": 280.6
  },
  "luminance": 0.03576
}

Semantic roles & 50–950 ramp

primary

#31218A

secondary

#A8B94E

accent

#E543CC

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #31218A

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

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