#431B7D#431B7D

#431B7D is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.4% C 0.153 H 295.8°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#431B7D
RGB	rgb(67, 27, 125)
HSL	hsl(264, 64%, 30%)
HSV	hsv(264, 78%, 49%)
CMYK	cmyk(46.4%, 78.4%, 0%, 51%)
CIE-LAB	lab(21.79, 40.60, -48.01)
CIE-LCH	lch(21.79, 62.88, 310.22°)
OKLab	oklab(34.41% 0.0664 -0.1375)
OKLCH	oklch(34.41% 0.153 295.8)
XYZ	xyz(6.4074, 3.4577, 19.7279)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B7D #557D1B

analogous

#1B247D #431B7D #741B7D

triadic

#431B7D #7D431B #1B7D43

tetradic

#431B7D #7D1B24 #557D1B #1B7D74

square

#431B7D #7D1B24 #557D1B #1B7D74

split-complementary

#431B7D #7D741B #247D1B

monochromatic

#0D0519 #28104B #431B7D #5E26AF #7B3DD5

Accessibility & contrast

On white

12.41

#431B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#431B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B7D

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B7D	#FFFFFF	#000000	##FFFFFF
##431B7D	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003580

Deuteranopia (green-blind)

#00337B

Tritanopia (blue-blind)

#33354B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #431b7d;
/* rgb */ color: rgb(67, 27, 125);
/* oklch */ color: oklch(34.4% 0.153 295.8);

Tailwind

colors: {
  custom: {
    50: '#7d5ca4',
    500: '#431b7d',
    950: '#000000',
  },
}

SCSS

$custom: #431b7d;
$custom-light: #7d5ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#431b7d",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 264.49,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.34411,
    "c": 0.15275,
    "h": 295.8
  },
  "luminance": 0.03458
}

Semantic roles & 50–950 ramp

primary

#431B7D

secondary

#84B143

accent

#E740A3

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #431B7D

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

Preview Lab → · Contrast checker → · Palette generator →