#431B4D#431B4D

#431B4D is a dark, moderate purple. Relative luminance 0.025; OKLCH L 30.5% C 0.097 H 319.2°. Best body text is #FFFFFF at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#431B4D
RGB	rgb(67, 27, 77)
HSL	hsl(288, 48%, 20%)
HSV	hsv(288, 65%, 30%)
CMYK	cmyk(13%, 64.9%, 0%, 69.8%)
CIE-LAB	lab(17.98, 28.13, -22.64)
CIE-LCH	lch(17.98, 36.10, 321.17°)
OKLab	oklab(30.49% 0.073 -0.0631)
OKLCH	oklch(30.49% 0.097 319.2)
XYZ	xyz(4.0461, 2.5132, 7.2917)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B4D #254D1B

analogous

#2A1B4D #431B4D #4D1B3E

triadic

#431B4D #4D431B #1B4D43

tetradic

#431B4D #4D2A1B #254D1B #1B3E4D

square

#431B4D #4D2A1B #254D1B #1B3E4D

split-complementary

#431B4D #3E4D1B #1B4D2A

monochromatic

#140817 #1C0B20 #431B4D #6A2B7A #923BA8

Accessibility & contrast

On white

13.98

#431B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#431B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B4D

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B4D	#FFFFFF	#000000	##FFFFFF
##431B4D	1.00	13.98	1.50	13.98
#FFFFFF	13.98	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F294F

Deuteranopia (green-blind)

#1E2D4C

Tritanopia (blue-blind)

#432331

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #431b4d;
/* rgb */ color: rgb(67, 27, 77);
/* oklch */ color: oklch(30.5% 0.097 319.2);

Tailwind

colors: {
  custom: {
    50: '#795a7f',
    500: '#431b4d',
    950: '#000000',
  },
}

SCSS

$custom: #431b4d;
$custom-light: #795a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#431b4d",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 77
  },
  "hsl": {
    "h": 288,
    "s": 48.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30488,
    "c": 0.09652,
    "h": 319.2
  },
  "luminance": 0.02513
}

Semantic roles & 50–950 ramp

primary

#431B4D

secondary

#4E8341

accent

#D8506B

background

#F7F5F7

surface

#EDE9EE

border

#C8C5C9

text

#09040A

muted

#7B797C

Preview Lab

Preview with #431B4D

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

Preview Lab → · Contrast checker → · Palette generator →