#431B74#431B74

#431B74 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.142 H 298.9°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#431B74
RGB	rgb(67, 27, 116)
HSL	hsl(267, 62%, 28%)
HSV	hsv(267, 77%, 45%)
CMYK	cmyk(42.2%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(20.97, 38.14, -43.60)
CIE-LCH	lch(20.97, 57.93, 311.18°)
OKLab	oklab(33.58% 0.0688 -0.1246)
OKLCH	oklch(33.58% 0.142 298.9)
XYZ	xyz(5.8583, 3.2380, 16.8360)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B74 #4C741B

analogous

#1B2074 #431B74 #6F1B74

triadic

#431B74 #74431B #1B7443

tetradic

#431B74 #741B20 #4C741B #1B746F

square

#431B74 #741B20 #4C741B #1B746F

split-complementary

#431B74 #746F1B #20741B

monochromatic

#0E0619 #260F42 #431B74 #6027A6 #7D39D1

Accessibility & contrast

On white

12.75

#431B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#431B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B74

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B74	#FFFFFF	#000000	##FFFFFF
##431B74	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003277

Deuteranopia (green-blind)

#003272

Tritanopia (blue-blind)

#373246

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #431b74;
/* rgb */ color: rgb(67, 27, 116);
/* oklch */ color: oklch(33.6% 0.142 298.9);

Tailwind

colors: {
  custom: {
    50: '#7c5c9d',
    500: '#431b74',
    950: '#000000',
  },
}

SCSS

$custom: #431b74;
$custom-light: #7c5c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#431b74",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 266.966,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33583,
    "c": 0.14231,
    "h": 298.9
  },
  "luminance": 0.03238
}

Semantic roles & 50–950 ramp

primary

#431B74

secondary

#7BA942

accent

#E5429C

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #431B74

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

Preview Lab → · Contrast checker → · Palette generator →