#403571#403571

#403571 is a dark, moderate violet. Relative luminance 0.048; OKLCH L 37.3% C 0.100 H 289.1°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#403571
RGB	rgb(64, 53, 113)
HSL	hsl(251, 36%, 33%)
HSV	hsv(251, 53%, 44%)
CMYK	cmyk(43.4%, 53.1%, 0%, 55.7%)
CIE-LAB	lab(26.24, 21.00, -33.19)
CIE-LCH	lch(26.24, 39.27, 302.33°)
OKLab	oklab(37.27% 0.0325 -0.0941)
OKLCH	oklch(37.27% 0.1 289.1)
XYZ	xyz(6.3673, 4.8282, 16.2160)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403571 #667135

analogous

#354871 #403571 #5E3571

triadic

#403571 #714035 #357140

tetradic

#403571 #713548 #667135 #35715E

square

#403571 #713548 #667135 #35715E

split-complementary

#403571 #715E35 #487135

monochromatic

#110E1E #282147 #403571 #58499B #7768B8

Accessibility & contrast

On white

10.68

#403571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#403571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403571

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403571	#FFFFFF	#000000	##FFFFFF
##403571	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3F73

Deuteranopia (green-blind)

#1C3D70

Tritanopia (blue-blind)

#32414D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #403571;
/* rgb */ color: rgb(64, 53, 113);
/* oklch */ color: oklch(37.3% 0.100 289.1);

Tailwind

colors: {
  custom: {
    50: '#786c9a',
    500: '#403571',
    950: '#000000',
  },
}

SCSS

$custom: #403571;
$custom-light: #786c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#403571",
  "rgb": {
    "r": 64,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 251,
    "s": 36.145,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37266,
    "c": 0.09959,
    "h": 289.1
  },
  "luminance": 0.04828
}

Semantic roles & 50–950 ramp

primary

#403571

secondary

#95A161

accent

#CC5CB8

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#09070E

muted

#7B7A7E

Preview Lab

Preview with #403571

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

Preview Lab → · Contrast checker → · Palette generator →