#31238C#31238C

#31238C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.1% C 0.164 H 279.9°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#31238C
RGB	rgb(49, 35, 140)
HSL	hsl(248, 60%, 34%)
HSV	hsv(248, 75%, 55%)
CMYK	cmyk(65%, 75%, 0%, 45.1%)
CIE-LAB	lab(22.82, 38.18, -55.83)
CIE-LCH	lch(22.82, 67.64, 304.37°)
OKLab	oklab(35.13% 0.0281 -0.1611)
OKLCH	oklch(35.13% 0.164 279.9)
XYZ	xyz(6.5998, 3.7480, 25.1815)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31238C #7E8C23

analogous

#234A8C #31238C #66238C

triadic

#31238C #8C3123 #238C31

tetradic

#31238C #8C234A #7E8C23 #238C66

square

#31238C #8C234A #7E8C23 #238C66

split-complementary

#31238C #8C6623 #4A8C23

monochromatic

#0F0B2A #20175B #31238C #422FBD #6655D4

Accessibility & contrast

On white

12.00

#31238C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#31238C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31238C

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31238C	#FFFFFF	#000000	##FFFFFF
##31238C	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#00328A

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31238c;
/* rgb */ color: rgb(49, 35, 140);
/* oklch */ color: oklch(35.1% 0.164 279.9);

Tailwind

colors: {
  custom: {
    50: '#7660af',
    500: '#31238c',
    950: '#000000',
  },
}

SCSS

$custom: #31238c;
$custom-light: #7660af;
$custom-dark: #000000;

JSON

{
  "hex": "#31238c",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 140
  },
  "hsl": {
    "h": 248,
    "s": 60,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35127,
    "c": 0.16354,
    "h": 279.9
  },
  "luminance": 0.03748
}

Semantic roles & 50–950 ramp

primary

#31238C

secondary

#ABB852

accent

#E345CE

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#090510

muted

#7B797F

Preview Lab

Preview with #31238C

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

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