#431B5C#431B5C

#431B5C is a dark, moderate violet. Relative luminance 0.028; OKLCH L 31.6% C 0.114 H 309.7°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#431B5C
RGB	rgb(67, 27, 92)
HSL	hsl(277, 55%, 23%)
HSV	hsv(277, 71%, 36%)
CMYK	cmyk(27.2%, 70.7%, 0%, 63.9%)
CIE-LAB	lab(19.01, 31.79, -31.08)
CIE-LCH	lch(19.01, 44.46, 315.65°)
OKLab	oklab(31.57% 0.0728 -0.0878)
OKLCH	oklch(31.57% 0.114 309.7)
XYZ	xyz(4.6381, 2.7500, 10.4096)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Plum Purple

#4E0550

ΔE00 5.64

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B5C #345C1B

analogous

#221B5C #431B5C #5C1B54

triadic

#431B5C #5C431B #1B5C43

tetradic

#431B5C #5C221B #345C1B #1B545C

square

#431B5C #5C221B #345C1B #1B545C

split-complementary

#431B5C #545C1B #1B5C22

monochromatic

#110718 #210D2D #431B5C #65298B #8837BB

Accessibility & contrast

On white

13.55

#431B5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#431B5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B5C

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B5C	#FFFFFF	#000000	##FFFFFF
##431B5C	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5E

Deuteranopia (green-blind)

#112F5B

Tritanopia (blue-blind)

#402839

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #431b5c;
/* rgb */ color: rgb(67, 27, 92);
/* oklch */ color: oklch(31.6% 0.114 309.7);

Tailwind

colors: {
  custom: {
    50: '#7a5a8b',
    500: '#431b5c',
    950: '#000000',
  },
}

SCSS

$custom: #431b5c;
$custom-light: #7a5a8b;
$custom-dark: #000000;

JSON

{
  "hex": "#431b5c",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 92
  },
  "hsl": {
    "h": 276.923,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.3157,
    "c": 0.11406,
    "h": 309.7
  },
  "luminance": 0.0275
}

Semantic roles & 50–950 ramp

primary

#431B5C

secondary

#609241

accent

#DE4A83

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040C

muted

#7B797D

Preview Lab

Preview with #431B5C

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

Preview Lab → · Contrast checker → · Palette generator →