#431B4E#431B4E

#431B4E is a dark, moderate purple. Relative luminance 0.025; OKLCH L 30.6% C 0.098 H 318.4°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#431B4E
RGB	rgb(67, 27, 78)
HSL	hsl(287, 49%, 21%)
HSV	hsv(287, 65%, 31%)
CMYK	cmyk(14.1%, 65.4%, 0%, 69.4%)
CIE-LAB	lab(18.04, 28.36, -23.21)
CIE-LCH	lch(18.04, 36.65, 320.70°)
OKLab	oklab(30.56% 0.0731 -0.0648)
OKLCH	oklch(30.56% 0.098 318.4)
XYZ	xyz(4.0816, 2.5274, 7.4791)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B4E #264E1B

analogous

#291B4E #431B4E #4E1B3F

triadic

#431B4E #4E431B #1B4E43

tetradic

#431B4E #4E291B #264E1B #1B3F4E

square

#431B4E #4E291B #264E1B #1B3F4E

split-complementary

#431B4E #3F4E1B #1B4E29

monochromatic

#140817 #1C0B21 #431B4E #6A2B7B #913AA9

Accessibility & contrast

On white

13.95

#431B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#431B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B4E

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B4E	#FFFFFF	#000000	##FFFFFF
##431B4E	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2950

Deuteranopia (green-blind)

#1E2D4D

Tritanopia (blue-blind)

#432331

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #431b4e;
/* rgb */ color: rgb(67, 27, 78);
/* oklch */ color: oklch(30.6% 0.098 318.4);

Tailwind

colors: {
  custom: {
    50: '#795a80',
    500: '#431b4e',
    950: '#000000',
  },
}

SCSS

$custom: #431b4e;
$custom-light: #795a80;
$custom-dark: #000000;

JSON

{
  "hex": "#431b4e",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 78
  },
  "hsl": {
    "h": 287.059,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.30555,
    "c": 0.09767,
    "h": 318.4
  },
  "luminance": 0.02527
}

Semantic roles & 50–950 ramp

primary

#431B4E

secondary

#4F8441

accent

#D8506D

background

#F7F5F7

surface

#EDE9EE

border

#C8C5C9

text

#09040A

muted

#7B797C

Preview Lab

Preview with #431B4E

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

Preview Lab → · Contrast checker → · Palette generator →