#431B57#431B57

#431B57 is a dark, moderate purple. Relative luminance 0.027; OKLCH L 31.2% C 0.108 H 312.5°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#431B57
RGB	rgb(67, 27, 87)
HSL	hsl(280, 53%, 22%)
HSV	hsv(280, 69%, 34%)
CMYK	cmyk(23%, 69%, 0%, 65.9%)
CIE-LAB	lab(18.65, 30.54, -28.32)
CIE-LCH	lch(18.65, 41.65, 317.15°)
OKLab	oklab(31.19% 0.0731 -0.0797)
OKLCH	oklch(31.19% 0.108 312.5)
XYZ	xyz(4.4267, 2.6654, 9.2963)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B57 #2F571B

analogous

#251B57 #431B57 #571B4D

triadic

#431B57 #57431B #1B5743

tetradic

#431B57 #57251B #2F571B #1B4D57

square

#431B57 #57251B #2F571B #1B4D57

split-complementary

#431B57 #4D571B #1B5725

monochromatic

#120717 #1F0D28 #431B57 #672986 #8B38B4

Accessibility & contrast

On white

13.70

#431B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#431B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B57

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B57	#FFFFFF	#000000	##FFFFFF
##431B57	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022B59

Deuteranopia (green-blind)

#172E56

Tritanopia (blue-blind)

#412736

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #431b57;
/* rgb */ color: rgb(67, 27, 87);
/* oklch */ color: oklch(31.2% 0.108 312.5);

Tailwind

colors: {
  custom: {
    50: '#795a87',
    500: '#431b57',
    950: '#000000',
  },
}

SCSS

$custom: #431b57;
$custom-light: #795a87;
$custom-dark: #000000;

JSON

{
  "hex": "#431b57",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 87
  },
  "hsl": {
    "h": 280,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31193,
    "c": 0.10816,
    "h": 312.5
  },
  "luminance": 0.02665
}

Semantic roles & 50–950 ramp

primary

#431B57

secondary

#5A8D41

accent

#DC4C7C

background

#F7F5F8

surface

#EEE9EF

border

#C9C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #431B57

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

Preview Lab → · Contrast checker → · Palette generator →