#431B5B#431B5B

#431B5B is a dark, moderate violet. Relative luminance 0.027; OKLCH L 31.5% C 0.113 H 310.2°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX#431B5B
RGBrgb(67, 27, 91)
HSLhsl(278, 54%, 23%)
HSVhsv(278, 70%, 36%)
CMYKcmyk(26.4%, 70.3%, 0%, 64.3%)
CIE-LABlab(18.94, 31.54, -30.54)
CIE-LCHlch(18.94, 43.90, 315.93°)
OKLaboklab(31.49% 0.0729 -0.0862)
OKLCHoklch(31.49% 0.113 310.2)
XYZxyz(4.5946, 2.7326, 10.1809)
Luminance0.0273 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#431B5B #335B1B
analogous
#231B5B #431B5B #5B1B53
triadic
#431B5B #5B431B #1B5B43
tetradic
#431B5B #5B231B #335B1B #1B535B
square
#431B5B #5B231B #335B1B #1B535B
split-complementary
#431B5B #535B1B #1B5B23
monochromatic
#110718 #200D2C #431B5B #66298A #8837B9

Accessibility & contrast

On white

13.58
#431B5B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.55
#431B5B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B5B
13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##431B5B#FFFFFF#000000##FFFFFF
##431B5B1.0013.581.5513.58
#FFFFFF13.581.0021.001.00
#0000001.5521.001.0021.00
##FFFFFF13.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002C5D
Deuteranopia (green-blind)
#122F5A
Tritanopia (blue-blind)
#402838
Achromatopsia (no color)
#2E2E2E

Design tokens & code

CSS
--color: #431b5b;
/* rgb */ color: rgb(67, 27, 91);
/* oklch */ color: oklch(31.5% 0.113 310.2);
Tailwind
colors: {
  custom: {
    50: '#7a5a8a',
    500: '#431b5b',
    950: '#000000',
  },
}
SCSS
$custom: #431b5b;
$custom-light: #7a5a8a;
$custom-dark: #000000;
JSON
{
  "hex": "#431b5b",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 91
  },
  "hsl": {
    "h": 277.5,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.31494,
    "c": 0.11288,
    "h": 310.2
  },
  "luminance": 0.02732
}

Semantic roles & 50–950 ramp

primary
#431B5B
secondary
#5F9141
accent
#DE4A81
background
#F7F5F8
surface
#EEE9F0
border
#C9C5CB
text
#09040C
muted
#7B797D

Preview Lab

Preview with #431B5B

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

Preview Lab → · Contrast checker → · Palette generator →

#431B5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva