#431C5B#431C5B

#431C5B is a dark, moderate violet. Relative luminance 0.028; OKLCH L 31.6% C 0.111 H 310.0°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#431C5B
RGB	rgb(67, 28, 91)
HSL	hsl(277, 53%, 23%)
HSV	hsv(277, 69%, 36%)
CMYK	cmyk(26.4%, 69.2%, 0%, 64.3%)
CIE-LAB	lab(19.14, 31.00, -30.22)
CIE-LCH	lch(19.14, 43.29, 315.73°)
OKLab	oklab(31.64% 0.0716 -0.0853)
OKLCH	oklch(31.64% 0.111 310)
XYZ	xyz(4.6180, 2.7792, 10.1887)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Plum Purple

#4E0550

ΔE00 5.67

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431C5B #345B1C

analogous

#231C5B #431C5B #5B1C53

triadic

#431C5B #5B431C #1C5B43

tetradic

#431C5B #5B231C #345B1C #1C535B

square

#431C5B #5B231C #345B1C #1C535B

split-complementary

#431C5B #535B1C #1C5B23

monochromatic

#110717 #210E2C #431C5B #652A8A #8839B9

Accessibility & contrast

On white

13.50

#431C5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#431C5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431C5B

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431C5B	#FFFFFF	#000000	##FFFFFF
##431C5B	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5D

Deuteranopia (green-blind)

#142F5A

Tritanopia (blue-blind)

#402938

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #431c5b;
/* rgb */ color: rgb(67, 28, 91);
/* oklch */ color: oklch(31.6% 0.111 310.0);

Tailwind

colors: {
  custom: {
    50: '#7a5b8a',
    500: '#431c5b',
    950: '#000000',
  },
}

SCSS

$custom: #431c5b;
$custom-light: #7a5b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#431c5b",
  "rgb": {
    "r": 67,
    "g": 28,
    "b": 91
  },
  "hsl": {
    "h": 277.143,
    "s": 52.941,
    "l": 23.333
  },
  "oklch": {
    "l": 0.31636,
    "c": 0.11131,
    "h": 310
  },
  "luminance": 0.02779
}

Semantic roles & 50–950 ramp

primary

#431C5B

secondary

#609042

accent

#DC4B83

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040C

muted

#7B797D

Preview Lab

Preview with #431C5B

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

Preview Lab → · Contrast checker → · Palette generator →