#431B67#431B67

#431B67 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.5% C 0.127 H 304.2°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#431B67
RGB	rgb(67, 27, 103)
HSL	hsl(272, 58%, 25%)
HSV	hsv(272, 74%, 40%)
CMYK	cmyk(35%, 73.8%, 0%, 59.6%)
CIE-LAB	lab(19.87, 34.65, -36.96)
CIE-LCH	lch(19.87, 50.66, 313.15°)
OKLab	oklab(32.45% 0.0714 -0.1051)
OKLCH	oklch(32.45% 0.127 304.2)
XYZ	xyz(5.1543, 2.9564, 13.1284)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B67 #3F671B

analogous

#1D1B67 #431B67 #671B65

triadic

#431B67 #67431B #1B6743

tetradic

#431B67 #671D1B #3F671B #1B6567

square

#431B67 #671D1B #3F671B #1B6567

split-complementary

#431B67 #65671B #1B671D

monochromatic

#100618 #230E37 #431B67 #632897 #8234C8

Accessibility & contrast

On white

13.20

#431B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#431B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B67

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B67	#FFFFFF	#000000	##FFFFFF
##431B67	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F69

Deuteranopia (green-blind)

#003065

Tritanopia (blue-blind)

#3C2D3F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #431b67;
/* rgb */ color: rgb(67, 27, 103);
/* oklch */ color: oklch(32.5% 0.127 304.2);

Tailwind

colors: {
  custom: {
    50: '#7b5b93',
    500: '#431b67',
    950: '#000000',
  },
}

SCSS

$custom: #431b67;
$custom-light: #7b5b93;
$custom-dark: #000000;

JSON

{
  "hex": "#431b67",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 103
  },
  "hsl": {
    "h": 271.579,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.32454,
    "c": 0.12706,
    "h": 304.2
  },
  "luminance": 0.02956
}

Semantic roles & 50–950 ramp

primary

#431B67

secondary

#6D9C42

accent

#E24690

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #431B67

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

Preview Lab → · Contrast checker → · Palette generator →