#431FAB#431FAB

#431FAB is a dark, highly saturated violet. Relative luminance 0.051; OKLCH L 39.5% C 0.201 H 284.1°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#431FAB
RGB	rgb(67, 31, 171)
HSL	hsl(255, 69%, 40%)
HSV	hsv(255, 82%, 67%)
CMYK	cmyk(60.8%, 81.9%, 0%, 32.9%)
CIE-LAB	lab(27.05, 51.66, -67.77)
CIE-LCH	lch(27.05, 85.22, 307.32°)
OKLab	oklab(39.47% 0.0489 -0.1954)
OKLCH	oklch(39.47% 0.201 284.1)
XYZ	xyz(10.1531, 5.1129, 38.9720)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431FAB #87AB1F

analogous

#1F41AB #431FAB #891FAB

triadic

#431FAB #AB431F #1FAB43

tetradic

#431FAB #AB1F41 #87AB1F #1FAB89

square

#431FAB #AB1F41 #87AB1F #1FAB89

split-complementary

#431FAB #AB891F #41AB1F

monochromatic

#1A0C43 #2F1677 #431FAB #5A2ED9 #8362E3

Accessibility & contrast

On white

10.38

#431FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#431FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431FAB

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431FAB	#FFFFFF	#000000	##FFFFFF
##431FAB	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AF

Deuteranopia (green-blind)

#003BA9

Tritanopia (blue-blind)

#004A66

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #431fab;
/* rgb */ color: rgb(67, 31, 171);
/* oklch */ color: oklch(39.5% 0.201 284.1);

Tailwind

colors: {
  custom: {
    50: '#8561c5',
    500: '#431fab',
    950: '#000000',
  },
}

SCSS

$custom: #431fab;
$custom-light: #8561c5;
$custom-dark: #000000;

JSON

{
  "hex": "#431fab",
  "rgb": {
    "r": 67,
    "g": 31,
    "b": 171
  },
  "hsl": {
    "h": 255.429,
    "s": 69.307,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39467,
    "c": 0.2014,
    "h": 284.1
  },
  "luminance": 0.05114
}

Semantic roles & 50–950 ramp

primary

#431FAB

secondary

#ACC75E

accent

#EC3CBF

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #431FAB

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

Preview Lab → · Contrast checker → · Palette generator →