#431B64#431B64

#431B64 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.2% C 0.124 H 305.6°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#431B64
RGB	rgb(67, 27, 100)
HSL	hsl(273, 57%, 25%)
HSV	hsv(273, 73%, 39%)
CMYK	cmyk(33%, 73%, 0%, 60.8%)
CIE-LAB	lab(19.63, 33.86, -35.38)
CIE-LCH	lch(19.63, 48.97, 313.74°)
OKLab	oklab(32.21% 0.0719 -0.1004)
OKLCH	oklch(32.21% 0.124 305.6)
XYZ	xyz(5.0064, 2.8973, 12.3496)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B64 #3C641B

analogous

#1F1B64 #431B64 #641B60

triadic

#431B64 #64431B #1B6443

tetradic

#431B64 #641F1B #3C641B #1B6064

square

#431B64 #641F1B #3C641B #1B6064

split-complementary

#431B64 #60641B #1B641F

monochromatic

#100718 #230E34 #431B64 #632894 #8435C4

Accessibility & contrast

On white

13.30

#431B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#431B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B64

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B64	#FFFFFF	#000000	##FFFFFF
##431B64	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E66

Deuteranopia (green-blind)

#033062

Tritanopia (blue-blind)

#3D2B3D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #431b64;
/* rgb */ color: rgb(67, 27, 100);
/* oklch */ color: oklch(32.2% 0.124 305.6);

Tailwind

colors: {
  custom: {
    50: '#7b5b91',
    500: '#431b64',
    950: '#000000',
  },
}

SCSS

$custom: #431b64;
$custom-light: #7b5b91;
$custom-dark: #000000;

JSON

{
  "hex": "#431b64",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 100
  },
  "hsl": {
    "h": 272.877,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.32206,
    "c": 0.12352,
    "h": 305.6
  },
  "luminance": 0.02897
}

Semantic roles & 50–950 ramp

primary

#431B64

secondary

#699941

accent

#E1478D

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#0A040D

muted

#7C797D

Preview Lab

Preview with #431B64

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

Preview Lab → · Contrast checker → · Palette generator →