#431FB4#431FB4

#431FB4 is a dark, highly saturated violet. Relative luminance 0.055; OKLCH L 40.4% C 0.211 H 282.5°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#431FB4
RGB	rgb(67, 31, 180)
HSL	hsl(254, 71%, 41%)
HSV	hsv(254, 83%, 71%)
CMYK	cmyk(62.8%, 82.8%, 0%, 29.4%)
CIE-LAB	lab(28.03, 54.18, -71.55)
CIE-LCH	lch(28.03, 89.75, 307.13°)
OKLab	oklab(40.43% 0.0459 -0.2064)
OKLCH	oklch(40.43% 0.211 282.5)
XYZ	xyz(11.0404, 5.4678, 43.6448)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431FB4 #90B41F

analogous

#1F45B4 #431FB4 #8E1FB4

triadic

#431FB4 #B4431F #1FB443

tetradic

#431FB4 #B41F45 #90B41F #1FB48E

square

#431FB4 #B41F45 #90B41F #1FB48E

split-complementary

#431FB4 #B48E1F #45B41F

monochromatic

#1C0D4C #301680 #431FB4 #5D34DC #8668E5

Accessibility & contrast

On white

10.03

#431FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#431FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431FB4

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431FB4	#FFFFFF	#000000	##FFFFFF
##431FB4	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B8

Deuteranopia (green-blind)

#003DB1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #431fb4;
/* rgb */ color: rgb(67, 31, 180);
/* oklch */ color: oklch(40.4% 0.211 282.5);

Tailwind

colors: {
  custom: {
    50: '#8662cc',
    500: '#431fb4',
    950: '#000000',
  },
}

SCSS

$custom: #431fb4;
$custom-light: #8662cc;
$custom-dark: #000000;

JSON

{
  "hex": "#431fb4",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 180
  },
  "hsl": {
    "h": 254.497,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40426,
    "c": 0.21143,
    "h": 282.5
  },
  "luminance": 0.05469
}

Semantic roles & 50–950 ramp

primary

#431FB4

secondary

#B2CB64

accent

#ED3AC2

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0514

muted

#7E7A82

Preview Lab

Preview with #431FB4

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

Preview Lab → · Contrast checker → · Palette generator →