#431B87#431B87

#431B87 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.4% C 0.164 H 292.7°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#431B87
RGB	rgb(67, 27, 135)
HSL	hsl(262, 67%, 32%)
HSV	hsv(262, 80%, 53%)
CMYK	cmyk(50.4%, 80%, 0%, 47.1%)
CIE-LAB	lab(22.74, 43.36, -52.76)
CIE-LCH	lch(22.74, 68.29, 309.41°)
OKLab	oklab(35.37% 0.0635 -0.1515)
OKLCH	oklch(35.37% 0.164 292.7)
XYZ	xyz(7.0786, 3.7262, 23.2632)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B87 #5F871B

analogous

#1B2987 #431B87 #791B87

triadic

#431B87 #87431B #1B8743

tetradic

#431B87 #871B29 #5F871B #1B8779

square

#431B87 #871B29 #5F871B #1B8779

split-complementary

#431B87 #87791B #29871B

monochromatic

#100721 #2A1154 #431B87 #5C25BA #7B43D9

Accessibility & contrast

On white

12.03

#431B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#431B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B87

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B87	#FFFFFF	#000000	##FFFFFF
##431B87	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388A

Deuteranopia (green-blind)

#003485

Tritanopia (blue-blind)

#2D3951

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #431b87;
/* rgb */ color: rgb(67, 27, 135);
/* oklch */ color: oklch(35.4% 0.164 292.7);

Tailwind

colors: {
  custom: {
    50: '#7f5dab',
    500: '#431b87',
    950: '#000000',
  },
}

SCSS

$custom: #431b87;
$custom-light: #7f5dab;
$custom-dark: #000000;

JSON

{
  "hex": "#431b87",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 262.222,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3537,
    "c": 0.16423,
    "h": 292.7
  },
  "luminance": 0.03726
}

Semantic roles & 50–950 ramp

primary

#431B87

secondary

#8EBA44

accent

#EA3EAA

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #431B87

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

Preview Lab → · Contrast checker → · Palette generator →