#431B8F#431B8F

#431B8F is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.173 H 290.6°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#431B8F
RGB	rgb(67, 27, 143)
HSL	hsl(261, 68%, 33%)
HSV	hsv(261, 81%, 56%)
CMYK	cmyk(53.1%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(23.54, 45.58, -56.45)
CIE-LCH	lch(23.54, 72.55, 308.92°)
OKLab	oklab(36.16% 0.0609 -0.1623)
OKLCH	oklch(36.16% 0.173 290.6)
XYZ	xyz(7.6632, 3.9600, 26.3419)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B8F #678F1B

analogous

#1B2D8F #431B8F #7D1B8F

triadic

#431B8F #8F431B #1B8F43

tetradic

#431B8F #8F1B2D #678F1B #1B8F7D

square

#431B8F #8F1B2D #678F1B #1B8F7D

split-complementary

#431B8F #8F7D1B #2D8F1B

monochromatic

#130828 #2B115C #431B8F #5B25C2 #7B48DC

Accessibility & contrast

On white

11.72

#431B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#431B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B8F

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B8F	#FFFFFF	#000000	##FFFFFF
##431B8F	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#273D55

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #431b8f;
/* rgb */ color: rgb(67, 27, 143);
/* oklch */ color: oklch(36.2% 0.173 290.6);

Tailwind

colors: {
  custom: {
    50: '#805db1',
    500: '#431b8f',
    950: '#000000',
  },
}

SCSS

$custom: #431b8f;
$custom-light: #805db1;
$custom-dark: #000000;

JSON

{
  "hex": "#431b8f",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 260.69,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36163,
    "c": 0.17331,
    "h": 290.6
  },
  "luminance": 0.0396
}

Semantic roles & 50–950 ramp

primary

#431B8F

secondary

#95BE48

accent

#EB3DAF

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #431B8F

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

Preview Lab → · Contrast checker → · Palette generator →