#431B5A#431B5A

#431B5A is a dark, moderate violet. Relative luminance 0.027; OKLCH L 31.4% C 0.112 H 310.8°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#431B5A
RGB	rgb(67, 27, 90)
HSL	hsl(278, 54%, 23%)
HSV	hsv(278, 70%, 35%)
CMYK	cmyk(25.6%, 70%, 0%, 64.7%)
CIE-LAB	lab(18.87, 31.29, -29.99)
CIE-LCH	lch(18.87, 43.34, 316.22°)
OKLab	oklab(31.42% 0.073 -0.0846)
OKLCH	oklch(31.42% 0.112 310.8)
XYZ	xyz(4.5518, 2.7154, 9.9552)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B5A #325A1B

analogous

#231B5A #431B5A #5A1B51

triadic

#431B5A #5A431B #1B5A43

tetradic

#431B5A #5A231B #325A1B #1B515A

square

#431B5A #5A231B #325A1B #1B515A

split-complementary

#431B5A #515A1B #1B5A23

monochromatic

#120718 #200D2B #431B5A #662989 #8937B8

Accessibility & contrast

On white

13.61

#431B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#431B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B5A

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B5A	#FFFFFF	#000000	##FFFFFF
##431B5A	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5C

Deuteranopia (green-blind)

#132F59

Tritanopia (blue-blind)

#402838

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #431b5a;
/* rgb */ color: rgb(67, 27, 90);
/* oklch */ color: oklch(31.4% 0.112 310.8);

Tailwind

colors: {
  custom: {
    50: '#7a5a89',
    500: '#431b5a',
    950: '#000000',
  },
}

SCSS

$custom: #431b5a;
$custom-light: #7a5a89;
$custom-dark: #000000;

JSON

{
  "hex": "#431b5a",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 90
  },
  "hsl": {
    "h": 278.095,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.31417,
    "c": 0.1117,
    "h": 310.8
  },
  "luminance": 0.02715
}

Semantic roles & 50–950 ramp

primary

#431B5A

secondary

#5E9041

accent

#DD4B80

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040B

muted

#7B797C

Preview Lab

Preview with #431B5A

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

Preview Lab → · Contrast checker → · Palette generator →