#431DBB#431DBB

#431DBB is a dark, highly saturated violet. Relative luminance 0.057; OKLCH L 41.0% C 0.221 H 281.6°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#431DBB
RGB	rgb(67, 29, 187)
HSL	hsl(254, 73%, 42%)
HSV	hsv(254, 84%, 73%)
CMYK	cmyk(64.2%, 84.5%, 0%, 26.7%)
CIE-LAB	lab(28.54, 56.91, -74.88)
CIE-LCH	lch(28.54, 94.05, 307.24°)
OKLab	oklab(41% 0.0443 -0.216)
OKLCH	oklch(41% 0.221 281.6)
XYZ	xyz(11.7209, 5.6590, 47.4787)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431DBB #95BB1D

analogous

#1D46BB #431DBB #921DBB

triadic

#431DBB #BB431D #1DBB43

tetradic

#431DBB #BB1D46 #95BB1D #1DBB92

square

#431DBB #BB1D46 #95BB1D #1DBB92

split-complementary

#431DBB #BB921D #46BB1D

monochromatic

#1D0D51 #301586 #431DBB #5E35E0 #896AE8

Accessibility & contrast

On white

9.85

#431DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#431DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431DBB

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431DBB	#FFFFFF	#000000	##FFFFFF
##431DBB	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BF

Deuteranopia (green-blind)

#003EB8

Tritanopia (blue-blind)

#00506F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #431dbb;
/* rgb */ color: rgb(67, 29, 187);
/* oklch */ color: oklch(41.0% 0.221 281.6);

Tailwind

colors: {
  custom: {
    50: '#8861d1',
    500: '#431dbb',
    950: '#000000',
  },
}

SCSS

$custom: #431dbb;
$custom-light: #8861d1;
$custom-dark: #000000;

JSON

{
  "hex": "#431dbb",
  "rgb": {
    "r": 67,
    "g": 29,
    "b": 187
  },
  "hsl": {
    "h": 254.43,
    "s": 73.148,
    "l": 42.353
  },
  "oklch": {
    "l": 0.41001,
    "c": 0.22053,
    "h": 281.6
  },
  "luminance": 0.0566
}

Semantic roles & 50–950 ramp

primary

#431DBB

secondary

#B5CE66

accent

#F038C4

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0514

muted

#7E7A83

Preview Lab

Preview with #431DBB

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

Preview Lab → · Contrast checker → · Palette generator →