#31219D#31219D

#31219D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.7% C 0.187 H 277.7°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#31219D
RGB	rgb(49, 33, 157)
HSL	hsl(248, 65%, 37%)
HSV	hsv(248, 79%, 62%)
CMYK	cmyk(68.8%, 79%, 0%, 38.4%)
CIE-LAB	lab(24.24, 44.71, -63.98)
CIE-LCH	lch(24.24, 78.05, 304.94°)
OKLab	oklab(36.66% 0.0251 -0.1849)
OKLCH	oklch(36.66% 0.187 277.7)
XYZ	xyz(7.8943, 4.1743, 32.2815)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31219D #8D9D21

analogous

#214F9D #31219D #6F219D

triadic

#31219D #9D3121 #219D31

tetradic

#31219D #9D214F #8D9D21 #219D6F

square

#31219D #9D214F #8D9D21 #219D6F

split-complementary

#31219D #9D6F21 #4F9D21

monochromatic

#110C38 #21166A #31219D #412CD0 #6C5CDD

Accessibility & contrast

On white

11.44

#31219D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#31219D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31219D

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31219D	#FFFFFF	#000000	##FFFFFF
##31219D	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA0

Deuteranopia (green-blind)

#00349B

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #31219d;
/* rgb */ color: rgb(49, 33, 157);
/* oklch */ color: oklch(36.7% 0.187 277.7);

Tailwind

colors: {
  custom: {
    50: '#7960bb',
    500: '#31219d',
    950: '#000000',
  },
}

SCSS

$custom: #31219d;
$custom-light: #7960bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31219d",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 157
  },
  "hsl": {
    "h": 247.742,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36664,
    "c": 0.18655,
    "h": 277.7
  },
  "luminance": 0.04175
}

Semantic roles & 50–950 ramp

primary

#31219D

secondary

#B4C159

accent

#E840D2

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #31219D

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

Preview Lab → · Contrast checker → · Palette generator →