#311083#311083

#311083 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.9% C 0.170 H 284.4°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#311083
RGB	rgb(49, 16, 131)
HSL	hsl(257, 78%, 29%)
HSV	hsv(257, 88%, 51%)
CMYK	cmyk(62.6%, 87.8%, 0%, 48.6%)
CIE-LAB	lab(18.64, 44.66, -57.09)
CIE-LCH	lch(18.64, 72.48, 308.03°)
OKLab	oklab(31.92% 0.0422 -0.1645)
OKLCH	oklch(31.92% 0.17 284.4)
XYZ	xyz(5.5474, 2.6619, 21.6898)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311083 #628310

analogous

#102983 #311083 #6B1083

triadic

#311083 #833110 #108331

tetradic

#311083 #831029 #628310 #10836B

square

#311083 #831029 #628310 #10836B

split-complementary

#311083 #836B10 #298310

monochromatic

#0A031B #1D094C #311083 #4517BA #5F29E5

Accessibility & contrast

On white

13.70

#311083 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#311083 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311083

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311083	#FFFFFF	#000000	##FFFFFF
##311083	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003086

Deuteranopia (green-blind)

#002A81

Tritanopia (blue-blind)

#00354C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #311083;
/* rgb */ color: rgb(49, 16, 131);
/* oklch */ color: oklch(31.9% 0.170 284.4);

Tailwind

colors: {
  custom: {
    50: '#7555a8',
    500: '#311083',
    950: '#000000',
  },
}

SCSS

$custom: #311083;
$custom-light: #7555a8;
$custom-dark: #000000;

JSON

{
  "hex": "#311083",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 131
  },
  "hsl": {
    "h": 257.217,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31921,
    "c": 0.16988,
    "h": 284.4
  },
  "luminance": 0.02662
}

Semantic roles & 50–950 ramp

primary

#311083

secondary

#93B936

accent

#F533BD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0310

muted

#7C787F

Preview Lab

Preview with #311083

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

Preview Lab → · Contrast checker → · Palette generator →