#31219F#31219F

#31219F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.9% C 0.189 H 277.5°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#31219F
RGB	rgb(49, 33, 159)
HSL	hsl(248, 66%, 38%)
HSV	hsv(248, 79%, 62%)
CMYK	cmyk(69.2%, 79.2%, 0%, 37.6%)
CIE-LAB	lab(24.46, 45.33, -64.84)
CIE-LCH	lch(24.46, 79.12, 304.96°)
OKLab	oklab(36.88% 0.0245 -0.1873)
OKLCH	oklch(36.88% 0.189 277.5)
XYZ	xyz(8.0665, 4.2432, 33.1881)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31219F #8F9F21

analogous

#21509F #31219F #70219F

triadic

#31219F #9F3121 #219F31

tetradic

#31219F #9F2150 #8F9F21 #219F70

square

#31219F #9F2150 #8F9F21 #219F70

split-complementary

#31219F #9F7021 #509F21

monochromatic

#120C3A #21166C #31219F #412CD2 #6D5DDD

Accessibility & contrast

On white

11.36

#31219F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#31219F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31219F

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31219F	#FFFFFF	#000000	##FFFFFF
##31219F	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA3

Deuteranopia (green-blind)

#00359D

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #31219f;
/* rgb */ color: rgb(49, 33, 159);
/* oklch */ color: oklch(36.9% 0.189 277.5);

Tailwind

colors: {
  custom: {
    50: '#7a60bd',
    500: '#31219f',
    950: '#000000',
  },
}

SCSS

$custom: #31219f;
$custom-light: #7a60bd;
$custom-dark: #000000;

JSON

{
  "hex": "#31219f",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 159
  },
  "hsl": {
    "h": 247.619,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36883,
    "c": 0.18895,
    "h": 277.5
  },
  "luminance": 0.04244
}

Semantic roles & 50–950 ramp

primary

#31219F

secondary

#B5C25A

accent

#E93FD3

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #31219F

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

Preview Lab → · Contrast checker → · Palette generator →