#431B9E#431B9E

#431B9E is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.7% C 0.190 H 287.0°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#431B9E
RGB	rgb(67, 27, 158)
HSL	hsl(258, 71%, 36%)
HSV	hsv(258, 83%, 62%)
CMYK	cmyk(57.6%, 82.9%, 0%, 38%)
CIE-LAB	lab(25.09, 49.73, -63.13)
CIE-LCH	lch(25.09, 80.36, 308.23°)
OKLab	oklab(37.7% 0.0557 -0.1818)
OKLCH	oklch(37.7% 0.19 287)
XYZ	xyz(8.8764, 4.4453, 32.7314)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B9E #769E1B

analogous

#1B349E #431B9E #851B9E

triadic

#431B9E #9E431B #1B9E43

tetradic

#431B9E #9E1B34 #769E1B #1B9E85

square

#431B9E #9E1B34 #769E1B #1B9E85

split-complementary

#431B9E #9E851B #349E1B

monochromatic

#170935 #2D126A #431B9E #5924D2 #7E52E1

Accessibility & contrast

On white

11.12

#431B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#431B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B9E

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B9E	#FFFFFF	#000000	##FFFFFF
##431B9E	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA2

Deuteranopia (green-blind)

#00389C

Tritanopia (blue-blind)

#17435E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #431b9e;
/* rgb */ color: rgb(67, 27, 158);
/* oklch */ color: oklch(37.7% 0.190 287.0);

Tailwind

colors: {
  custom: {
    50: '#835ebc',
    500: '#431b9e',
    950: '#000000',
  },
}

SCSS

$custom: #431b9e;
$custom-light: #835ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#431b9e",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 158
  },
  "hsl": {
    "h": 258.321,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37703,
    "c": 0.19012,
    "h": 287
  },
  "luminance": 0.04446
}

Semantic roles & 50–950 ramp

primary

#431B9E

secondary

#A1C451

accent

#EE3AB7

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #431B9E

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

Preview Lab → · Contrast checker → · Palette generator →