#491F8B#491F8B

#491F8B is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.9% C 0.165 H 294.5°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX#491F8B
RGBrgb(73, 31, 139)
HSLhsl(263, 64%, 33%)
HSVhsv(263, 78%, 55%)
CMYKcmyk(47.5%, 77.7%, 0%, 45.5%)
CIE-LABlab(24.51, 43.55, -52.33)
CIE-LCHlch(24.51, 68.08, 309.76°)
OKLaboklab(36.89% 0.0685 -0.15)
OKLCHoklch(36.89% 0.165 294.5)
XYZxyz(7.8966, 4.2603, 24.8274)
Luminance0.0426 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#491F8B #618B1F
analogous
#1F2B8B #491F8B #7F1F8B
triadic
#491F8B #8B491F #1F8B49
tetradic
#491F8B #8B1F2B #618B1F #1F8B7F
square
#491F8B #8B1F2B #618B1F #1F8B7F
split-complementary
#491F8B #8B7F1F #2B8B1F
monochromatic
#140927 #2F1459 #491F8B #632ABD #834DD7

Accessibility & contrast

On white

11.34
#491F8B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#491F8B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491F8B
11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##491F8B#FFFFFF#000000##FFFFFF
##491F8B1.0011.341.8511.34
#FFFFFF11.341.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003B8E
Deuteranopia (green-blind)
#003889
Tritanopia (blue-blind)
#363C54
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #491f8b;
/* rgb */ color: rgb(73, 31, 139);
/* oklch */ color: oklch(36.9% 0.165 294.5);
Tailwind
colors: {
  custom: {
    50: '#8360ae',
    500: '#491f8b',
    950: '#000000',
  },
}
SCSS
$custom: #491f8b;
$custom-light: #8360ae;
$custom-dark: #000000;
JSON
{
  "hex": "#491f8b",
  "rgb": {
    "r": 73,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 263.333,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36891,
    "c": 0.16492,
    "h": 294.5
  },
  "luminance": 0.04261
}

Semantic roles & 50–950 ramp

primary
#491F8B
secondary
#8FBA4C
accent
#E741A6
background
#F8F5FA
surface
#F0EAF4
border
#CBC6CE
text
#0B0510
muted
#7C797F

Preview Lab

Preview with #491F8B

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

Preview Lab → · Contrast checker → · Palette generator →

#491F8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva