#311B94#311B94

#311B94 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.0% C 0.181 H 279.8°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX#311B94
RGBrgb(49, 27, 148)
HSLhsl(251, 69%, 34%)
HSVhsv(251, 82%, 58%)
CMYKcmyk(66.9%, 81.8%, 0%, 42%)
CIE-LABlab(22.21, 44.90, -61.80)
CIE-LCHlch(22.21, 76.39, 306.00°)
OKLaboklab(34.96% 0.0307 -0.1784)
OKLCHoklch(34.96% 0.181 279.8)
XYZxyz(7.0021, 3.5744, 28.3322)
Luminance0.0357 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#311B94 #7E941B
analogous
#1B4294 #311B94 #6E1B94
triadic
#311B94 #94311B #1B9431
tetradic
#311B94 #941B42 #7E941B #1B946E
square
#311B94 #941B42 #7E941B #1B946E
split-complementary
#311B94 #946E1B #42941B
monochromatic
#0F082C #201260 #311B94 #4224C8 #664BDE

Accessibility & contrast

On white

12.24
#311B94 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.72
#311B94 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311B94
12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##311B94#FFFFFF#000000##FFFFFF
##311B941.0012.241.7212.24
#FFFFFF12.241.0021.001.00
#0000001.7221.001.0021.00
##FFFFFF12.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003997
Deuteranopia (green-blind)
#003092
Tritanopia (blue-blind)
#004058
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #311b94;
/* rgb */ color: rgb(49, 27, 148);
/* oklch */ color: oklch(35.0% 0.181 279.8);
Tailwind
colors: {
  custom: {
    50: '#785cb5',
    500: '#311b94',
    950: '#000000',
  },
}
SCSS
$custom: #311b94;
$custom-light: #785cb5;
$custom-dark: #000000;
JSON
{
  "hex": "#311b94",
  "rgb": {
    "r": 49,
    "g": 27,
    "b": 148
  },
  "hsl": {
    "h": 250.909,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34957,
    "c": 0.18106,
    "h": 279.8
  },
  "luminance": 0.03575
}

Semantic roles & 50–950 ramp

primary
#311B94
secondary
#ABC04B
accent
#EC3CCC
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#0A0411
muted
#7C7980

Preview Lab

Preview with #311B94

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

Preview Lab → · Contrast checker → · Palette generator →

#311B94 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva