#431B81#431B81

#431B81 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.157 H 294.5°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#431B81
RGB	rgb(67, 27, 129)
HSL	hsl(264, 65%, 31%)
HSV	hsv(264, 79%, 51%)
CMYK	cmyk(48.1%, 79.1%, 0%, 49.4%)
CIE-LAB	lab(22.17, 41.70, -49.93)
CIE-LCH	lch(22.17, 65.06, 309.87°)
OKLab	oklab(34.79% 0.0653 -0.1432)
OKLCH	oklch(34.79% 0.157 294.5)
XYZ	xyz(6.6680, 3.5619, 21.1008)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B81 #59811B

analogous

#1B2681 #431B81 #761B81

triadic

#431B81 #81431B #1B8143

tetradic

#431B81 #811B26 #59811B #1B8176

square

#431B81 #811B26 #59811B #1B8176

split-complementary

#431B81 #81761B #26811B

monochromatic

#0E061C #29104E #431B81 #5D26B4 #7B3FD7

Accessibility & contrast

On white

12.26

#431B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#431B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B81

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B81	#FFFFFF	#000000	##FFFFFF
##431B81	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003684

Deuteranopia (green-blind)

#00337F

Tritanopia (blue-blind)

#31374D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #431b81;
/* rgb */ color: rgb(67, 27, 129);
/* oklch */ color: oklch(34.8% 0.157 294.5);

Tailwind

colors: {
  custom: {
    50: '#7e5ca6',
    500: '#431b81',
    950: '#000000',
  },
}

SCSS

$custom: #431b81;
$custom-light: #7e5ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#431b81",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 129
  },
  "hsl": {
    "h": 263.529,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3479,
    "c": 0.15736,
    "h": 294.5
  },
  "luminance": 0.03562
}

Semantic roles & 50–950 ramp

primary

#431B81

secondary

#88B543

accent

#E83FA6

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #431B81

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

Preview Lab → · Contrast checker → · Palette generator →