#431B63#431B63

#431B63 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.1% C 0.122 H 306.1°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#431B63
RGB	rgb(67, 27, 99)
HSL	hsl(273, 57%, 25%)
HSV	hsv(273, 73%, 39%)
CMYK	cmyk(32.3%, 72.7%, 0%, 61.2%)
CIE-LAB	lab(19.55, 33.60, -34.85)
CIE-LCH	lch(19.55, 48.41, 313.95°)
OKLab	oklab(32.13% 0.072 -0.0989)
OKLCH	oklch(32.13% 0.122 306.1)
XYZ	xyz(4.9583, 2.8781, 12.0963)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B63 #3B631B

analogous

#1F1B63 #431B63 #631B5F

triadic

#431B63 #63431B #1B6343

tetradic

#431B63 #631F1B #3B631B #1B5F63

square

#431B63 #631F1B #3B631B #1B5F63

split-complementary

#431B63 #5F631B #1B631F

monochromatic

#100718 #220E33 #431B63 #642893 #8435C3

Accessibility & contrast

On white

13.33

#431B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#431B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B63

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B63	#FFFFFF	#000000	##FFFFFF
##431B63	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E65

Deuteranopia (green-blind)

#053061

Tritanopia (blue-blind)

#3D2B3C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #431b63;
/* rgb */ color: rgb(67, 27, 99);
/* oklch */ color: oklch(32.1% 0.122 306.1);

Tailwind

colors: {
  custom: {
    50: '#7a5b90',
    500: '#431b63',
    950: '#000000',
  },
}

SCSS

$custom: #431b63;
$custom-light: #7a5b90;
$custom-dark: #000000;

JSON

{
  "hex": "#431b63",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 99
  },
  "hsl": {
    "h": 273.333,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.32125,
    "c": 0.12233,
    "h": 306.1
  },
  "luminance": 0.02878
}

Semantic roles & 50–950 ramp

primary

#431B63

secondary

#689841

accent

#E0478B

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#0A040C

muted

#7C797D

Preview Lab

Preview with #431B63

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

Preview Lab → · Contrast checker → · Palette generator →