#431D8B#431D8B

#431D8B is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.0% C 0.167 H 291.3°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#431D8B
RGB	rgb(67, 29, 139)
HSL	hsl(261, 65%, 33%)
HSV	hsv(261, 79%, 55%)
CMYK	cmyk(51.8%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(23.46, 43.55, -54.09)
CIE-LCH	lch(23.46, 69.44, 308.84°)
OKLab	oklab(35.99% 0.0606 -0.1554)
OKLCH	oklch(35.99% 0.167 291.3)
XYZ	xyz(7.4130, 3.9358, 24.7902)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431D8B #658B1D

analogous

#1D2E8B #431D8B #7A1D8B

triadic

#431D8B #8B431D #1D8B43

tetradic

#431D8B #8B1D2E #658B1D #1D8B7A

square

#431D8B #8B1D2E #658B1D #1D8B7A

split-complementary

#431D8B #8B7A1D #2E8B1D

monochromatic

#120826 #2B1258 #431D8B #5B28BE #7B49D9

Accessibility & contrast

On white

11.75

#431D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#431D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431D8B

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431D8B	#FFFFFF	#000000	##FFFFFF
##431D8B	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003589

Tritanopia (blue-blind)

#2A3C53

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #431d8b;
/* rgb */ color: rgb(67, 29, 139);
/* oklch */ color: oklch(36.0% 0.167 291.3);

Tailwind

colors: {
  custom: {
    50: '#7f5eae',
    500: '#431d8b',
    950: '#000000',
  },
}

SCSS

$custom: #431d8b;
$custom-light: #7f5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#431d8b",
  "rgb": {
    "r": 67,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 260.727,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35987,
    "c": 0.1668,
    "h": 291.3
  },
  "luminance": 0.03936
}

Semantic roles & 50–950 ramp

primary

#431D8B

secondary

#94BB49

accent

#E83FAE

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #431D8B

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

Preview Lab → · Contrast checker → · Palette generator →