#431BB4#431BB4

#431BB4 is a dark, highly saturated violet. Relative luminance 0.053; OKLCH L 40.1% C 0.214 H 282.9°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#431BB4
RGB	rgb(67, 27, 180)
HSL	hsl(256, 74%, 41%)
HSV	hsv(256, 85%, 71%)
CMYK	cmyk(62.8%, 85%, 0%, 29.4%)
CIE-LAB	lab(27.50, 55.76, -72.44)
CIE-LCH	lch(27.50, 91.41, 307.59°)
OKLab	oklab(40.06% 0.0477 -0.2089)
OKLCH	oklch(40.06% 0.214 282.9)
XYZ	xyz(10.9423, 5.2717, 43.6121)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431BB4 #8CB41B

analogous

#1B40B4 #431BB4 #8F1BB4

triadic

#431BB4 #B4431B #1BB443

tetradic

#431BB4 #B41B40 #8CB41B #1BB48F

square

#431BB4 #B41B40 #8CB41B #1BB48F

split-complementary

#431BB4 #B48F1B #40B41B

monochromatic

#1B0B4A #2F137F #431BB4 #5B2DDF #8562E7

Accessibility & contrast

On white

10.22

#431BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#431BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431BB4

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431BB4	#FFFFFF	#000000	##FFFFFF
##431BB4	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B8

Deuteranopia (green-blind)

#003CB1

Tritanopia (blue-blind)

#004C6B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #431bb4;
/* rgb */ color: rgb(67, 27, 180);
/* oklch */ color: oklch(40.1% 0.214 282.9);

Tailwind

colors: {
  custom: {
    50: '#8760cc',
    500: '#431bb4',
    950: '#000000',
  },
}

SCSS

$custom: #431bb4;
$custom-light: #8760cc;
$custom-dark: #000000;

JSON

{
  "hex": "#431bb4",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 255.686,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40061,
    "c": 0.21428,
    "h": 282.9
  },
  "luminance": 0.05272
}

Semantic roles & 50–950 ramp

primary

#431BB4

secondary

#AFCC5F

accent

#F137C0

background

#F9F5FC

surface

#F1EAF9

border

#CBC6D2

text

#0D0514

muted

#7E7982

Preview Lab

Preview with #431BB4

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

Preview Lab → · Contrast checker → · Palette generator →