#431EB4#431EB4

#431EB4 is a dark, highly saturated violet. Relative luminance 0.054; OKLCH L 40.3% C 0.212 H 282.6°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#431EB4
RGB	rgb(67, 30, 180)
HSL	hsl(255, 71%, 41%)
HSV	hsv(255, 83%, 71%)
CMYK	cmyk(62.8%, 83.3%, 0%, 29.4%)
CIE-LAB	lab(27.89, 54.59, -71.78)
CIE-LCH	lch(27.89, 90.18, 307.25°)
OKLab	oklab(40.33% 0.0464 -0.207)
OKLCH	oklch(40.33% 0.212 282.6)
XYZ	xyz(11.0147, 5.4163, 43.6362)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431EB4 #8FB41E

analogous

#1E44B4 #431EB4 #8E1EB4

triadic

#431EB4 #B4431E #1EB443

tetradic

#431EB4 #B41E44 #8FB41E #1EB48E

square

#431EB4 #B41E44 #8FB41E #1EB48E

split-complementary

#431EB4 #B48E1E #44B41E

monochromatic

#1C0D4B #2F1580 #431EB4 #5C32DD #8667E6

Accessibility & contrast

On white

10.08

#431EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#431EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431EB4

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431EB4	#FFFFFF	#000000	##FFFFFF
##431EB4	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B8

Deuteranopia (green-blind)

#003DB1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #431eb4;
/* rgb */ color: rgb(67, 30, 180);
/* oklch */ color: oklch(40.3% 0.212 282.6);

Tailwind

colors: {
  custom: {
    50: '#8661cc',
    500: '#431eb4',
    950: '#000000',
  },
}

SCSS

$custom: #431eb4;
$custom-light: #8661cc;
$custom-dark: #000000;

JSON

{
  "hex": "#431eb4",
  "rgb": {
    "r": 67,
    "g": 30,
    "b": 180
  },
  "hsl": {
    "h": 254.8,
    "s": 71.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40331,
    "c": 0.21216,
    "h": 282.6
  },
  "luminance": 0.05417
}

Semantic roles & 50–950 ramp

primary

#431EB4

secondary

#B1CB63

accent

#EE3AC2

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0514

muted

#7E7A82

Preview Lab

Preview with #431EB4

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

Preview Lab → · Contrast checker → · Palette generator →