#31219A#31219A

#31219A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.3% C 0.183 H 278.1°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#31219A
RGB	rgb(49, 33, 154)
HSL	hsl(248, 65%, 37%)
HSV	hsv(248, 79%, 60%)
CMYK	cmyk(68.2%, 78.6%, 0%, 39.6%)
CIE-LAB	lab(23.91, 43.76, -62.69)
CIE-LCH	lch(23.91, 76.45, 304.92°)
OKLab	oklab(36.34% 0.0259 -0.1811)
OKLCH	oklch(36.34% 0.183 278.1)
XYZ	xyz(7.6413, 4.0731, 30.9491)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31219A #8A9A21

analogous

#214E9A #31219A #6E219A

triadic

#31219A #9A3121 #219A31

tetradic

#31219A #9A214E #8A9A21 #219A6E

square

#31219A #9A214E #8A9A21 #219A6E

split-complementary

#31219A #9A6E21 #4E9A21

monochromatic

#110B35 #211668 #31219A #412CCC #6B5ADC

Accessibility & contrast

On white

11.57

#31219A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#31219A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31219A

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31219A	#FFFFFF	#000000	##FFFFFF
##31219A	1.00	11.57	1.81	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9D

Deuteranopia (green-blind)

#003498

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31219a;
/* rgb */ color: rgb(49, 33, 154);
/* oklch */ color: oklch(36.3% 0.183 278.1);

Tailwind

colors: {
  custom: {
    50: '#795fb9',
    500: '#31219a',
    950: '#000000',
  },
}

SCSS

$custom: #31219a;
$custom-light: #795fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#31219a",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 154
  },
  "hsl": {
    "h": 247.934,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36337,
    "c": 0.18292,
    "h": 278.1
  },
  "luminance": 0.04074
}

Semantic roles & 50–950 ramp

primary

#31219A

secondary

#B2C057

accent

#E840D2

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #31219A

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

Preview Lab → · Contrast checker → · Palette generator →