#31219B#31219B

#31219B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.4% C 0.184 H 278.0°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#31219B
RGB	rgb(49, 33, 155)
HSL	hsl(248, 65%, 37%)
HSV	hsv(248, 79%, 61%)
CMYK	cmyk(68.4%, 78.7%, 0%, 39.2%)
CIE-LAB	lab(24.02, 44.08, -63.12)
CIE-LCH	lch(24.02, 76.99, 304.93°)
OKLab	oklab(36.45% 0.0256 -0.1824)
OKLCH	oklch(36.45% 0.184 278)
XYZ	xyz(7.7250, 4.1066, 31.3895)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31219B #8B9B21

analogous

#214E9B #31219B #6E219B

triadic

#31219B #9B3121 #219B31

tetradic

#31219B #9B214E #8B9B21 #219B6E

square

#31219B #9B214E #8B9B21 #219B6E

split-complementary

#31219B #9B6E21 #4E9B21

monochromatic

#110C36 #211669 #31219B #412CCD #6B5ADC

Accessibility & contrast

On white

11.53

#31219B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#31219B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31219B

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31219B	#FFFFFF	#000000	##FFFFFF
##31219B	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9E

Deuteranopia (green-blind)

#003499

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31219b;
/* rgb */ color: rgb(49, 33, 155);
/* oklch */ color: oklch(36.4% 0.184 278.0);

Tailwind

colors: {
  custom: {
    50: '#7960ba',
    500: '#31219b',
    950: '#000000',
  },
}

SCSS

$custom: #31219b;
$custom-light: #7960ba;
$custom-dark: #000000;

JSON

{
  "hex": "#31219b",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 155
  },
  "hsl": {
    "h": 247.869,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36446,
    "c": 0.18414,
    "h": 278
  },
  "luminance": 0.04107
}

Semantic roles & 50–950 ramp

primary

#31219B

secondary

#B2C058

accent

#E840D2

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #31219B

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

Preview Lab → · Contrast checker → · Palette generator →