#431B71#431B71

#431B71 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.3% C 0.139 H 300.0°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#431B71
RGB	rgb(67, 27, 113)
HSL	hsl(268, 61%, 27%)
HSV	hsv(268, 76%, 44%)
CMYK	cmyk(40.7%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(20.71, 37.33, -42.10)
CIE-LCH	lch(20.71, 56.26, 311.56°)
OKLab	oklab(33.32% 0.0695 -0.1202)
OKLCH	oklch(33.32% 0.139 300)
XYZ	xyz(5.6866, 3.1694, 15.9317)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B71 #49711B

analogous

#1B1E71 #431B71 #6E1B71

triadic

#431B71 #71431B #1B7143

tetradic

#431B71 #711B1E #49711B #1B716E

square

#431B71 #711B1E #49711B #1B716E

split-complementary

#431B71 #716E1B #1E711B

monochromatic

#0F0619 #260F40 #431B71 #6027A2 #7E37CF

Accessibility & contrast

On white

12.85

#431B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#431B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B71

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B71	#FFFFFF	#000000	##FFFFFF
##431B71	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003273

Deuteranopia (green-blind)

#00316F

Tritanopia (blue-blind)

#383144

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #431b71;
/* rgb */ color: rgb(67, 27, 113);
/* oklch */ color: oklch(33.3% 0.139 300.0);

Tailwind

colors: {
  custom: {
    50: '#7c5b9b',
    500: '#431b71',
    950: '#000000',
  },
}

SCSS

$custom: #431b71;
$custom-light: #7c5b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#431b71",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 267.907,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.33315,
    "c": 0.13881,
    "h": 300
  },
  "luminance": 0.03169
}

Semantic roles & 50–950 ramp

primary

#431B71

secondary

#77A642

accent

#E5439A

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #431B71

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

Preview Lab → · Contrast checker → · Palette generator →