#431E9B#431E9B

#431E9B is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.184 H 287.3°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#431E9B
RGB	rgb(67, 30, 155)
HSL	hsl(258, 68%, 36%)
HSV	hsv(258, 81%, 61%)
CMYK	cmyk(56.8%, 80.6%, 0%, 39.2%)
CIE-LAB	lab(25.22, 47.60, -61.08)
CIE-LCH	lch(25.22, 77.43, 307.93°)
OKLab	oklab(37.7% 0.0548 -0.1758)
OKLCH	oklch(37.7% 0.184 287.3)
XYZ	xyz(8.6936, 4.4879, 31.4122)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431E9B #769B1E

analogous

#1E389B #431E9B #821E9B

triadic

#431E9B #9B431E #1E9B43

tetradic

#431E9B #9B1E38 #769B1E #1E9B82

square

#431E9B #9B1E38 #769B1E #1E9B82

split-complementary

#431E9B #9B821E #389B1E

monochromatic

#170A34 #2D1468 #431E9B #5928CE #7E55DE

Accessibility & contrast

On white

11.07

#431E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#431E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431E9B

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431E9B	#FFFFFF	#000000	##FFFFFF
##431E9B	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#1B435D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #431e9b;
/* rgb */ color: rgb(67, 30, 155);
/* oklch */ color: oklch(37.7% 0.184 287.3);

Tailwind

colors: {
  custom: {
    50: '#825fba',
    500: '#431e9b',
    950: '#000000',
  },
}

SCSS

$custom: #431e9b;
$custom-light: #825fba;
$custom-dark: #000000;

JSON

{
  "hex": "#431e9b",
  "rgb": {
    "r": 67,
    "g": 30,
    "b": 155
  },
  "hsl": {
    "h": 257.76,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.377,
    "c": 0.18418,
    "h": 287.3
  },
  "luminance": 0.04488
}

Semantic roles & 50–950 ramp

primary

#431E9B

secondary

#A1C253

accent

#EA3DB7

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #431E9B

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

Preview Lab → · Contrast checker → · Palette generator →