#431B6B#431B6B

#431B6B is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.8% C 0.132 H 302.5°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#431B6B
RGB	rgb(67, 27, 107)
HSL	hsl(270, 60%, 26%)
HSV	hsv(270, 75%, 42%)
CMYK	cmyk(37.4%, 74.8%, 0%, 58%)
CIE-LAB	lab(20.20, 35.71, -39.04)
CIE-LCH	lch(20.20, 52.91, 312.45°)
OKLab	oklab(32.79% 0.0707 -0.1112)
OKLCH	oklch(32.79% 0.132 302.5)
XYZ	xyz(5.3599, 3.0387, 14.2112)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B6B #436B1B

analogous

#1B1B6B #431B6B #6B1B6B

triadic

#431B6B #6B431B #1B6B43

tetradic

#431B6B #6B1B1B #436B1B #1B6B6B

square

#431B6B #6B1B1B #436B1B #1B6B6B

split-complementary

#431B6B #6B6B1B #1B6B1B

monochromatic

#0F0618 #240F3A #431B6B #62279C #8035CC

Accessibility & contrast

On white

13.06

#431B6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#431B6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B6B

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B6B	#FFFFFF	#000000	##FFFFFF
##431B6B	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306D

Deuteranopia (green-blind)

#003069

Tritanopia (blue-blind)

#3B2E41

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #431b6b;
/* rgb */ color: rgb(67, 27, 107);
/* oklch */ color: oklch(32.8% 0.132 302.5);

Tailwind

colors: {
  custom: {
    50: '#7b5b96',
    500: '#431b6b',
    950: '#000000',
  },
}

SCSS

$custom: #431b6b;
$custom-light: #7b5b96;
$custom-dark: #000000;

JSON

{
  "hex": "#431b6b",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 107
  },
  "hsl": {
    "h": 270,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.32792,
    "c": 0.13177,
    "h": 302.5
  },
  "luminance": 0.03039
}

Semantic roles & 50–950 ramp

primary

#431B6B

secondary

#71A042

accent

#E34594

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #431B6B

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

Preview Lab → · Contrast checker → · Palette generator →