#31229E#31229E

#31229E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.9% C 0.187 H 277.5°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#31229E
RGB	rgb(49, 34, 158)
HSL	hsl(247, 65%, 38%)
HSV	hsv(247, 78%, 62%)
CMYK	cmyk(69%, 78.5%, 0%, 38%)
CIE-LAB	lab(24.53, 44.51, -64.12)
CIE-LCH	lch(24.53, 78.05, 304.77°)
OKLab	oklab(36.9% 0.0243 -0.1853)
OKLCH	oklch(36.9% 0.187 277.5)
XYZ	xyz(8.0082, 4.2649, 32.7423)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31229E #8F9E22

analogous

#22519E #31229E #6F229E

triadic

#31229E #9E3122 #229E31

tetradic

#31229E #9E2251 #8F9E22 #229E6F

square

#31229E #9E2251 #8F9E22 #229E6F

split-complementary

#31229E #9E6F22 #519E22

monochromatic

#120C39 #21176C #31229E #412DD0 #6D5EDC

Accessibility & contrast

On white

11.33

#31229E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#31229E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31229E

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31229E	#FFFFFF	#000000	##FFFFFF
##31229E	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA1

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #31229e;
/* rgb */ color: rgb(49, 34, 158);
/* oklch */ color: oklch(36.9% 0.187 277.5);

Tailwind

colors: {
  custom: {
    50: '#7a60bc',
    500: '#31229e',
    950: '#000000',
  },
}

SCSS

$custom: #31229e;
$custom-light: #7a60bc;
$custom-dark: #000000;

JSON

{
  "hex": "#31229e",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 158
  },
  "hsl": {
    "h": 247.258,
    "s": 64.583,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36898,
    "c": 0.18684,
    "h": 277.5
  },
  "luminance": 0.04266
}

Semantic roles & 50–950 ramp

primary

#31229E

secondary

#B5C15B

accent

#E840D3

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #31229E

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

Preview Lab → · Contrast checker → · Palette generator →