#431B8A#431B8A

#431B8A is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.7% C 0.168 H 291.9°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#431B8A
RGB	rgb(67, 27, 138)
HSL	hsl(262, 67%, 32%)
HSV	hsv(262, 80%, 54%)
CMYK	cmyk(51.4%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(23.04, 44.19, -54.16)
CIE-LCH	lch(23.04, 69.90, 309.21°)
OKLab	oklab(35.67% 0.0625 -0.1556)
OKLCH	oklch(35.67% 0.168 291.9)
XYZ	xyz(7.2928, 3.8119, 24.3913)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B8A #628A1B

analogous

#1B2A8A #431B8A #7B1B8A

triadic

#431B8A #8A431B #1B8A43

tetradic

#431B8A #8A1B2A #628A1B #1B8A7B

square

#431B8A #8A1B2A #628A1B #1B8A7B

split-complementary

#431B8A #8A7B1B #2A8A1B

monochromatic

#110724 #2A1157 #431B8A #5C25BD #7B45DB

Accessibility & contrast

On white

11.92

#431B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#431B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B8A

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B8A	#FFFFFF	#000000	##FFFFFF
##431B8A	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398D

Deuteranopia (green-blind)

#003588

Tritanopia (blue-blind)

#2B3B52

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #431b8a;
/* rgb */ color: rgb(67, 27, 138);
/* oklch */ color: oklch(35.7% 0.168 291.9);

Tailwind

colors: {
  custom: {
    50: '#7f5dad',
    500: '#431b8a',
    950: '#000000',
  },
}

SCSS

$custom: #431b8a;
$custom-light: #7f5dad;
$custom-dark: #000000;

JSON

{
  "hex": "#431b8a",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 261.622,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35665,
    "c": 0.16765,
    "h": 291.9
  },
  "luminance": 0.03812
}

Semantic roles & 50–950 ramp

primary

#431B8A

secondary

#91BC45

accent

#EA3EAC

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #431B8A

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

Preview Lab → · Contrast checker → · Palette generator →