#403181#403181

#403181 is a dark, vivid violet. Relative luminance 0.049; OKLCH L 37.7% C 0.129 H 287.1°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#403181
RGB	rgb(64, 49, 129)
HSL	hsl(251, 45%, 35%)
HSV	hsv(251, 62%, 51%)
CMYK	cmyk(50.4%, 62%, 0%, 49.4%)
CIE-LAB	lab(26.36, 28.70, -43.11)
CIE-LCH	lch(26.36, 51.79, 303.65°)
OKLab	oklab(37.72% 0.038 -0.1233)
OKLCH	oklch(37.72% 0.129 287.1)
XYZ	xyz(7.1740, 4.8713, 21.3269)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403181 #728131

analogous

#314A81 #403181 #683181

triadic

#403181 #814031 #318140

tetradic

#403181 #81314A #728131 #318168

square

#403181 #81314A #728131 #318168

split-complementary

#403181 #816831 #4A8131

monochromatic

#140F28 #2A2055 #403181 #5642AD #7967C5

Accessibility & contrast

On white

10.64

#403181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#403181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403181

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403181	#FFFFFF	#000000	##FFFFFF
##403181	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004084

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#2A4454

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #403181;
/* rgb */ color: rgb(64, 49, 129);
/* oklch */ color: oklch(37.7% 0.129 287.1);

Tailwind

colors: {
  custom: {
    50: '#7b6aa6',
    500: '#403181',
    950: '#000000',
  },
}

SCSS

$custom: #403181;
$custom-light: #7b6aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#403181",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 129
  },
  "hsl": {
    "h": 251.25,
    "s": 44.944,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37723,
    "c": 0.12902,
    "h": 287.1
  },
  "luminance": 0.04872
}

Semantic roles & 50–950 ramp

primary

#403181

secondary

#9FAD61

accent

#D553BC

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A060F

muted

#7C7A7F

Preview Lab

Preview with #403181

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

Preview Lab → · Contrast checker → · Palette generator →