#431F8B#431F8B

#431F8B is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.165 H 291.0°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#431F8B
RGB	rgb(67, 31, 139)
HSL	hsl(260, 64%, 33%)
HSV	hsv(260, 78%, 55%)
CMYK	cmyk(51.8%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(23.79, 42.59, -53.54)
CIE-LCH	lch(23.79, 68.42, 308.50°)
OKLab	oklab(36.22% 0.059 -0.1538)
OKLCH	oklch(36.22% 0.165 291)
XYZ	xyz(7.4636, 4.0370, 24.8071)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431F8B #678B1F

analogous

#1F318B #431F8B #791F8B

triadic

#431F8B #8B431F #1F8B43

tetradic

#431F8B #8B1F31 #678B1F #1F8B79

square

#431F8B #8B1F31 #678B1F #1F8B79

split-complementary

#431F8B #8B791F #318B1F

monochromatic

#130927 #2B1459 #431F8B #5B2ABD #7B4DD7

Accessibility & contrast

On white

11.62

#431F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#431F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431F8B

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431F8B	#FFFFFF	#000000	##FFFFFF
##431F8B	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003689

Tritanopia (blue-blind)

#2A3D54

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #431f8b;
/* rgb */ color: rgb(67, 31, 139);
/* oklch */ color: oklch(36.2% 0.165 291.0);

Tailwind

colors: {
  custom: {
    50: '#7f5fae',
    500: '#431f8b',
    950: '#000000',
  },
}

SCSS

$custom: #431f8b;
$custom-light: #7f5fae;
$custom-dark: #000000;

JSON

{
  "hex": "#431f8b",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 260,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36221,
    "c": 0.16473,
    "h": 291
  },
  "luminance": 0.04037
}

Semantic roles & 50–950 ramp

primary

#431F8B

secondary

#95BA4C

accent

#E741AF

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #431F8B

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

Preview Lab → · Contrast checker → · Palette generator →