#310D48#310D48

#310D48 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.5% C 0.105 H 308.4°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX#310D48
RGBrgb(49, 13, 72)
HSLhsl(277, 69%, 17%)
HSVhsv(277, 82%, 28%)
CMYKcmyk(31.9%, 81.9%, 0%, 71.8%)
CIE-LABlab(12.02, 29.51, -28.91)
CIE-LCHlch(12.02, 41.31, 315.59°)
OKLaboklab(25.47% 0.0651 -0.082)
OKLCHoklch(25.47% 0.105 308.4)
XYZxyz(2.5800, 1.4087, 6.2656)
Luminance0.0141 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#310D48 #24480D
analogous
#140D48 #310D48 #480D42
triadic
#310D48 #48310D #0D4831
tetradic
#310D48 #48140D #24480D #0D4248
square
#310D48 #48140D #24480D #0D4248
split-complementary
#310D48 #42480D #0D4814
monochromatic
#12051A #12051A #310D48 #54167C #7820B0

Accessibility & contrast

On white

16.38
#310D48 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.28
#310D48 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D48
16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##310D48#FFFFFF#000000##FFFFFF
##310D481.0016.381.2816.38
#FFFFFF16.381.0021.001.00
#0000001.2821.001.0021.00
##FFFFFF16.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001E4A
Deuteranopia (green-blind)
#002047
Tritanopia (blue-blind)
#2D1B29
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #310d48;
/* rgb */ color: rgb(49, 13, 72);
/* oklch */ color: oklch(25.5% 0.105 308.4);
Tailwind
colors: {
  custom: {
    50: '#6c507b',
    500: '#310d48',
    950: '#000000',
  },
}
SCSS
$custom: #310d48;
$custom-light: #6c507b;
$custom-dark: #000000;
JSON
{
  "hex": "#310d48",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 72
  },
  "hsl": {
    "h": 276.61,
    "s": 69.412,
    "l": 16.667
  },
  "oklch": {
    "l": 0.25471,
    "c": 0.10474,
    "h": 308.4
  },
  "luminance": 0.01409
}

Semantic roles & 50–950 ramp

primary
#310D48
secondary
#4F832D
accent
#EC3C80
background
#F6F4F7
surface
#ECE7EE
border
#C7C3C9
text
#070209
muted
#7A787B

Preview Lab

Preview with #310D48

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

Preview Lab → · Contrast checker → · Palette generator →

#310D48 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva