#31239E#31239E

#31239E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.0% C 0.186 H 277.3°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#31239E
RGB	rgb(49, 35, 158)
HSL	hsl(247, 64%, 38%)
HSV	hsv(247, 78%, 62%)
CMYK	cmyk(69%, 77.8%, 0%, 38%)
CIE-LAB	lab(24.71, 43.98, -63.81)
CIE-LCH	lch(24.71, 77.50, 304.58°)
OKLab	oklab(37.03% 0.0238 -0.1844)
OKLCH	oklch(37.03% 0.186 277.3)
XYZ	xyz(8.0372, 4.3229, 32.7520)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31239E #909E23

analogous

#23539E #31239E #6E239E

triadic

#31239E #9E3123 #239E31

tetradic

#31239E #9E2353 #909E23 #239E6E

square

#31239E #9E2353 #909E23 #239E6E

split-complementary

#31239E #9E6E23 #539E23

monochromatic

#120D3A #21186C #31239E #412ED0 #6E60DC

Accessibility & contrast

On white

11.26

#31239E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#31239E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31239E

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31239E	#FFFFFF	#000000	##FFFFFF
##31239E	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A1

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31239e;
/* rgb */ color: rgb(49, 35, 158);
/* oklch */ color: oklch(37.0% 0.186 277.3);

Tailwind

colors: {
  custom: {
    50: '#7a61bc',
    500: '#31239e',
    950: '#000000',
  },
}

SCSS

$custom: #31239e;
$custom-light: #7a61bc;
$custom-dark: #000000;

JSON

{
  "hex": "#31239e",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 158
  },
  "hsl": {
    "h": 246.829,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37027,
    "c": 0.18591,
    "h": 277.3
  },
  "luminance": 0.04324
}

Semantic roles & 50–950 ramp

primary

#31239E

secondary

#B5C15C

accent

#E741D4

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #31239E

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

Preview Lab → · Contrast checker → · Palette generator →