#431FB1#431FB1

#431FB1 is a dark, highly saturated violet. Relative luminance 0.053; OKLCH L 40.1% C 0.208 H 283.0°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#431FB1
RGB	rgb(67, 31, 177)
HSL	hsl(255, 70%, 41%)
HSV	hsv(255, 82%, 69%)
CMYK	cmyk(62.1%, 82.5%, 0%, 30.6%)
CIE-LAB	lab(27.70, 53.35, -70.30)
CIE-LCH	lch(27.70, 88.25, 307.19°)
OKLab	oklab(40.1% 0.0469 -0.2028)
OKLCH	oklch(40.1% 0.208 283)
XYZ	xyz(10.7381, 5.3468, 42.0526)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431FB1 #8DB11F

analogous

#1F44B1 #431FB1 #8C1FB1

triadic

#431FB1 #B1431F #1FB143

tetradic

#431FB1 #B11F44 #8DB11F #1FB18C

square

#431FB1 #B11F44 #8DB11F #1FB18C

split-complementary

#431FB1 #B18C1F #44B11F

monochromatic

#1C0D49 #2F167D #431FB1 #5C32DB #8566E4

Accessibility & contrast

On white

10.15

#431FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#431FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431FB1

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431FB1	#FFFFFF	#000000	##FFFFFF
##431FB1	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B5

Deuteranopia (green-blind)

#003CAE

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #431fb1;
/* rgb */ color: rgb(67, 31, 177);
/* oklch */ color: oklch(40.1% 0.208 283.0);

Tailwind

colors: {
  custom: {
    50: '#8661ca',
    500: '#431fb1',
    950: '#000000',
  },
}

SCSS

$custom: #431fb1;
$custom-light: #8661ca;
$custom-dark: #000000;

JSON

{
  "hex": "#431fb1",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 177
  },
  "hsl": {
    "h": 254.795,
    "s": 70.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40104,
    "c": 0.2081,
    "h": 283
  },
  "luminance": 0.05348
}

Semantic roles & 50–950 ramp

primary

#431FB1

secondary

#B0CA62

accent

#ED3BC1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0D0513

muted

#7D7A82

Preview Lab

Preview with #431FB1

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

Preview Lab → · Contrast checker → · Palette generator →