#311981#311981

#311981 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.6% C 0.160 H 283.7°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#311981
RGB	rgb(49, 25, 129)
HSL	hsl(254, 68%, 30%)
HSV	hsv(254, 81%, 51%)
CMYK	cmyk(62%, 80.6%, 0%, 49.4%)
CIE-LAB	lab(19.77, 40.08, -53.94)
CIE-LCH	lch(19.77, 67.21, 306.61°)
OKLab	oklab(32.64% 0.0378 -0.1555)
OKLCH	oklch(32.64% 0.16 283.7)
XYZ	xyz(5.5755, 2.9328, 21.0369)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311981 #698119

analogous

#193581 #311981 #651981

triadic

#311981 #813119 #198131

tetradic

#311981 #811935 #698119 #198165

square

#311981 #811935 #698119 #198165

split-complementary

#311981 #816519 #358119

monochromatic

#0A051A #1E0F4E #311981 #4423B4 #603BD9

Accessibility & contrast

On white

13.24

#311981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#311981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311981

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311981	#FFFFFF	#000000	##FFFFFF
##311981	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#002C7F

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #311981;
/* rgb */ color: rgb(49, 25, 129);
/* oklch */ color: oklch(32.6% 0.160 283.7);

Tailwind

colors: {
  custom: {
    50: '#7459a7',
    500: '#311981',
    950: '#000000',
  },
}

SCSS

$custom: #311981;
$custom-light: #7459a7;
$custom-dark: #000000;

JSON

{
  "hex": "#311981",
  "rgb": {
    "r": 49,
    "g": 25,
    "b": 129
  },
  "hsl": {
    "h": 253.846,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32639,
    "c": 0.16005,
    "h": 283.7
  },
  "luminance": 0.02933
}

Semantic roles & 50–950 ramp

primary

#311981

secondary

#9AB541

accent

#EA3DC2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311981

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

Preview Lab → · Contrast checker → · Palette generator →