#431B8E#431B8E

#431B8E is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.172 H 290.8°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#431B8E
RGB	rgb(67, 27, 142)
HSL	hsl(261, 68%, 33%)
HSV	hsv(261, 81%, 56%)
CMYK	cmyk(52.8%, 81%, 0%, 44.3%)
CIE-LAB	lab(23.44, 45.30, -56.00)
CIE-LCH	lch(23.44, 72.03, 308.97°)
OKLab	oklab(36.06% 0.0612 -0.1609)
OKLCH	oklch(36.06% 0.172 290.8)
XYZ	xyz(7.5878, 3.9298, 25.9447)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B8E #668E1B

analogous

#1B2C8E #431B8E #7C1B8E

triadic

#431B8E #8E431B #1B8E43

tetradic

#431B8E #8E1B2C #668E1B #1B8E7C

square

#431B8E #8E1B2C #668E1B #1B8E7C

split-complementary

#431B8E #8E7C1B #2C8E1B

monochromatic

#120727 #2B115B #431B8E #5B25C1 #7B47DC

Accessibility & contrast

On white

11.76

#431B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#431B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B8E

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B8E	#FFFFFF	#000000	##FFFFFF
##431B8E	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#00358C

Tritanopia (blue-blind)

#283C55

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #431b8e;
/* rgb */ color: rgb(67, 27, 142);
/* oklch */ color: oklch(36.1% 0.172 290.8);

Tailwind

colors: {
  custom: {
    50: '#805db0',
    500: '#431b8e',
    950: '#000000',
  },
}

SCSS

$custom: #431b8e;
$custom-light: #805db0;
$custom-dark: #000000;

JSON

{
  "hex": "#431b8e",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 142
  },
  "hsl": {
    "h": 260.87,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36063,
    "c": 0.17218,
    "h": 290.8
  },
  "luminance": 0.0393
}

Semantic roles & 50–950 ramp

primary

#431B8E

secondary

#94BE47

accent

#EB3DAE

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #431B8E

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

Preview Lab → · Contrast checker → · Palette generator →