#31219E#31219E

#31219E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.8% C 0.188 H 277.6°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#31219E
RGB	rgb(49, 33, 158)
HSL	hsl(248, 65%, 37%)
HSV	hsv(248, 79%, 62%)
CMYK	cmyk(69%, 79.1%, 0%, 38%)
CIE-LAB	lab(24.35, 45.02, -64.41)
CIE-LCH	lch(24.35, 78.59, 304.95°)
OKLab	oklab(36.77% 0.0248 -0.1861)
OKLCH	oklch(36.77% 0.188 277.6)
XYZ	xyz(7.9800, 4.2086, 32.7329)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31219E #8E9E21

analogous

#21509E #31219E #70219E

triadic

#31219E #9E3121 #219E31

tetradic

#31219E #9E2150 #8E9E21 #219E70

square

#31219E #9E2150 #8E9E21 #219E70

split-complementary

#31219E #9E7021 #509E21

monochromatic

#120C39 #21166B #31219E #412CD1 #6D5CDD

Accessibility & contrast

On white

11.40

#31219E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#31219E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31219E

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31219E	#FFFFFF	#000000	##FFFFFF
##31219E	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	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: #31219e;
/* rgb */ color: rgb(49, 33, 158);
/* oklch */ color: oklch(36.8% 0.188 277.6);

Tailwind

colors: {
  custom: {
    50: '#7a60bc',
    500: '#31219e',
    950: '#000000',
  },
}

SCSS

$custom: #31219e;
$custom-light: #7a60bc;
$custom-dark: #000000;

JSON

{
  "hex": "#31219e",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 158
  },
  "hsl": {
    "h": 247.68,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36773,
    "c": 0.18775,
    "h": 277.6
  },
  "luminance": 0.04209
}

Semantic roles & 50–950 ramp

primary

#31219E

secondary

#B4C159

accent

#E83FD3

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #31219E

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

Preview Lab → · Contrast checker → · Palette generator →