#311B95#311B95

#311B95 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.1% C 0.182 H 279.6°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX#311B95
RGBrgb(49, 27, 149)
HSLhsl(251, 69%, 35%)
HSVhsv(251, 82%, 58%)
CMYKcmyk(67.1%, 81.9%, 0%, 41.6%)
CIE-LABlab(22.32, 45.20, -62.23)
CIE-LCHlch(22.32, 76.92, 305.99°)
OKLaboklab(35.07% 0.0304 -0.1797)
OKLCHoklch(35.07% 0.182 279.6)
XYZxyz(7.0816, 3.6062, 28.7508)
Luminance0.0361 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#311B95 #7F951B
analogous
#1B4295 #311B95 #6E1B95
triadic
#311B95 #95311B #1B9531
tetradic
#311B95 #951B42 #7F951B #1B956E
square
#311B95 #951B42 #7F951B #1B956E
split-complementary
#311B95 #956E1B #42951B
monochromatic
#0F082D #201261 #311B95 #4224C9 #664CDF

Accessibility & contrast

On white

12.20
#311B95 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.72
#311B95 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311B95
12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##311B95#FFFFFF#000000##FFFFFF
##311B951.0012.201.7212.20
#FFFFFF12.201.0021.001.00
#0000001.7221.001.0021.00
##FFFFFF12.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003A98
Deuteranopia (green-blind)
#003193
Tritanopia (blue-blind)
#004159
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #311b95;
/* rgb */ color: rgb(49, 27, 149);
/* oklch */ color: oklch(35.1% 0.182 279.6);
Tailwind
colors: {
  custom: {
    50: '#785cb5',
    500: '#311b95',
    950: '#000000',
  },
}
SCSS
$custom: #311b95;
$custom-light: #785cb5;
$custom-dark: #000000;
JSON
{
  "hex": "#311b95",
  "rgb": {
    "r": 49,
    "g": 27,
    "b": 149
  },
  "hsl": {
    "h": 250.82,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35068,
    "c": 0.18225,
    "h": 279.6
  },
  "luminance": 0.03607
}

Semantic roles & 50–950 ramp

primary
#311B95
secondary
#ABC14B
accent
#EC3CCC
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#0A0411
muted
#7C7980

Preview Lab

Preview with #311B95

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

Preview Lab → · Contrast checker → · Palette generator →

#311B95 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva