#431B8D#431B8D

#431B8D is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.0% C 0.171 H 291.1°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#431B8D
RGB	rgb(67, 27, 141)
HSL	hsl(261, 68%, 33%)
HSV	hsv(261, 81%, 55%)
CMYK	cmyk(52.5%, 80.9%, 0%, 44.7%)
CIE-LAB	lab(23.34, 45.02, -55.54)
CIE-LCH	lch(23.34, 71.50, 309.03°)
OKLab	oklab(35.96% 0.0615 -0.1596)
OKLCH	oklch(35.96% 0.171 291.1)
XYZ	xyz(7.5130, 3.8999, 25.5510)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B8D #658D1B

analogous

#1B2C8D #431B8D #7C1B8D

triadic

#431B8D #8D431B #1B8D43

tetradic

#431B8D #8D1B2C #658D1B #1B8D7C

square

#431B8D #8D1B2C #658D1B #1B8D7C

split-complementary

#431B8D #8D7C1B #2C8D1B

monochromatic

#120726 #2B115A #431B8D #5B25C0 #7B47DC

Accessibility & contrast

On white

11.80

#431B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#431B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B8D

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B8D	#FFFFFF	#000000	##FFFFFF
##431B8D	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#293C54

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #431b8d;
/* rgb */ color: rgb(67, 27, 141);
/* oklch */ color: oklch(36.0% 0.171 291.1);

Tailwind

colors: {
  custom: {
    50: '#805daf',
    500: '#431b8d',
    950: '#000000',
  },
}

SCSS

$custom: #431b8d;
$custom-light: #805daf;
$custom-dark: #000000;

JSON

{
  "hex": "#431b8d",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 141
  },
  "hsl": {
    "h": 261.053,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35963,
    "c": 0.17105,
    "h": 291.1
  },
  "luminance": 0.039
}

Semantic roles & 50–950 ramp

primary

#431B8D

secondary

#94BD46

accent

#EB3DAE

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #431B8D

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

Preview Lab → · Contrast checker → · Palette generator →