#311E87#311E87

#311E87 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.162 H 281.6°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX#311E87
RGBrgb(49, 30, 135)
HSLhsl(251, 64%, 32%)
HSVhsv(251, 78%, 53%)
CMYKcmyk(63.7%, 77.8%, 0%, 47.1%)
CIE-LABlab(21.32, 39.35, -55.17)
CIE-LCHlch(21.32, 67.77, 305.50°)
OKLaboklab(33.91% 0.0328 -0.1592)
OKLCHoklch(33.91% 0.162 281.6)
XYZxyz(6.1027, 3.3303, 23.2382)
Luminance0.0333 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#311E87 #74871E
analogous
#1E4087 #311E87 #651E87
triadic
#311E87 #87311E #1E8731
tetradic
#311E87 #871E40 #74871E #1E8765
square
#311E87 #871E40 #74871E #1E8765
split-complementary
#311E87 #87651E #40871E
monochromatic
#0D0823 #1F1355 #311E87 #4329B9 #6349D7

Accessibility & contrast

On white

12.60
#311E87 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.67
#311E87 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E87
12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##311E87#FFFFFF#000000##FFFFFF
##311E871.0012.601.6712.60
#FFFFFF12.601.0021.001.00
#0000001.6721.001.0021.00
##FFFFFF12.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00378A
Deuteranopia (green-blind)
#002F85
Tritanopia (blue-blind)
#003C51
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #311e87;
/* rgb */ color: rgb(49, 30, 135);
/* oklch */ color: oklch(33.9% 0.162 281.6);
Tailwind
colors: {
  custom: {
    50: '#755dab',
    500: '#311e87',
    950: '#000000',
  },
}
SCSS
$custom: #311e87;
$custom-light: #755dab;
$custom-dark: #000000;
JSON
{
  "hex": "#311e87",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 135
  },
  "hsl": {
    "h": 250.857,
    "s": 63.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33914,
    "c": 0.16248,
    "h": 281.6
  },
  "luminance": 0.03331
}

Semantic roles & 50–950 ramp

primary
#311E87
secondary
#A4B948
accent
#E741C9
background
#F7F5FA
surface
#EEE9F4
border
#C9C5CE
text
#090410
muted
#7B797F

Preview Lab

Preview with #311E87

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

Preview Lab → · Contrast checker → · Palette generator →

#311E87 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva