#431B6E#431B6E

#431B6E is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.135 H 301.2°. Best body text is #FFFFFF at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#431B6E
RGB	rgb(67, 27, 110)
HSL	hsl(269, 61%, 27%)
HSV	hsv(269, 75%, 43%)
CMYK	cmyk(39.1%, 75.5%, 0%, 56.9%)
CIE-LAB	lab(20.45, 36.52, -40.58)
CIE-LCH	lch(20.45, 54.59, 311.99°)
OKLab	oklab(33.05% 0.0701 -0.1157)
OKLCH	oklch(33.05% 0.135 301.2)
XYZ	xyz(5.5205, 3.1029, 15.0569)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B6E #466E1B

analogous

#1B1C6E #431B6E #6D1B6E

triadic

#431B6E #6E431B #1B6E43

tetradic

#431B6E #6E1B1C #466E1B #1B6E6D

square

#431B6E #6E1B1C #466E1B #1B6E6D

split-complementary

#431B6E #6E6D1B #1C6E1B

monochromatic

#0F0619 #250F3D #431B6E #61279F #7F36CE

Accessibility & contrast

On white

12.96

#431B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#431B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B6E

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B6E	#FFFFFF	#000000	##FFFFFF
##431B6E	1.00	12.96	1.62	12.96
#FFFFFF	12.96	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003170

Deuteranopia (green-blind)

#00316C

Tritanopia (blue-blind)

#3A2F42

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #431b6e;
/* rgb */ color: rgb(67, 27, 110);
/* oklch */ color: oklch(33.1% 0.135 301.2);

Tailwind

colors: {
  custom: {
    50: '#7c5b98',
    500: '#431b6e',
    950: '#000000',
  },
}

SCSS

$custom: #431b6e;
$custom-light: #7c5b98;
$custom-dark: #000000;

JSON

{
  "hex": "#431b6e",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 110
  },
  "hsl": {
    "h": 268.916,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.33051,
    "c": 0.1353,
    "h": 301.2
  },
  "luminance": 0.03103
}

Semantic roles & 50–950 ramp

primary

#431B6E

secondary

#74A342

accent

#E44497

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #431B6E

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

Preview Lab → · Contrast checker → · Palette generator →