#431B90#431B90

#431B90 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.174 H 290.3°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#431B90
RGB	rgb(67, 27, 144)
HSL	hsl(261, 68%, 34%)
HSV	hsv(261, 81%, 56%)
CMYK	cmyk(53.5%, 81.3%, 0%, 43.5%)
CIE-LAB	lab(23.64, 45.86, -56.91)
CIE-LCH	lch(23.64, 73.08, 308.86°)
OKLab	oklab(36.26% 0.0605 -0.1636)
OKLCH	oklch(36.26% 0.174 290.3)
XYZ	xyz(7.7393, 3.9904, 26.7426)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B90 #68901B

analogous

#1B2D90 #431B90 #7D1B90

triadic

#431B90 #90431B #1B9043

tetradic

#431B90 #901B2D #68901B #1B907D

square

#431B90 #901B2D #68901B #1B907D

split-complementary

#431B90 #907D1B #2D901B

monochromatic

#130829 #2B115C #431B90 #5B25C4 #7B49DD

Accessibility & contrast

On white

11.68

#431B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#431B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B90

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B90	#FFFFFF	#000000	##FFFFFF
##431B90	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A93

Deuteranopia (green-blind)

#00368E

Tritanopia (blue-blind)

#263D56

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #431b90;
/* rgb */ color: rgb(67, 27, 144);
/* oklch */ color: oklch(36.3% 0.174 290.3);

Tailwind

colors: {
  custom: {
    50: '#805db2',
    500: '#431b90',
    950: '#000000',
  },
}

SCSS

$custom: #431b90;
$custom-light: #805db2;
$custom-dark: #000000;

JSON

{
  "hex": "#431b90",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 144
  },
  "hsl": {
    "h": 260.513,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36264,
    "c": 0.17444,
    "h": 290.3
  },
  "luminance": 0.03991
}

Semantic roles & 50–950 ramp

primary

#431B90

secondary

#96BF48

accent

#EB3DB0

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #431B90

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

Preview Lab → · Contrast checker → · Palette generator →