#400D5B#400D5B

#400D5B is a dark, vivid violet. Relative luminance 0.021; OKLCH L 29.4% C 0.130 H 310.2°. Best body text is #FFFFFF at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#400D5B
RGB	rgb(64, 13, 91)
HSL	hsl(279, 75%, 20%)
HSV	hsv(279, 86%, 36%)
CMYK	cmyk(29.7%, 85.7%, 0%, 64.3%)
CIE-LAB	lab(16.17, 37.34, -35.03)
CIE-LCH	lch(16.17, 51.20, 316.83°)
OKLab	oklab(29.43% 0.0839 -0.0994)
OKLCH	oklch(29.43% 0.13 310.2)
XYZ	xyz(4.1462, 2.1333, 10.0888)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400D5B #285B0D

analogous

#190D5B #400D5B #5B0D4F

triadic

#400D5B #5B400D #0D5B40

tetradic

#400D5B #5B190D #285B0D #0D4F5B

square

#400D5B #5B190D #285B0D #0D4F5B

split-complementary

#400D5B #4F5B0D #0D5B19

monochromatic

#13041B #1A0525 #400D5B #661591 #8B1CC6

Accessibility & contrast

On white

14.72

#400D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#400D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400D5B

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400D5B	#FFFFFF	#000000	##FFFFFF
##400D5B	1.00	14.72	1.43	14.72
#FFFFFF	14.72	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265D

Deuteranopia (green-blind)

#002959

Tritanopia (blue-blind)

#3C2134

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #400d5b;
/* rgb */ color: rgb(64, 13, 91);
/* oklch */ color: oklch(29.4% 0.130 310.2);

Tailwind

colors: {
  custom: {
    50: '#79538a',
    500: '#400d5b',
    950: '#000000',
  },
}

SCSS

$custom: #400d5b;
$custom-light: #79538a;
$custom-dark: #000000;

JSON

{
  "hex": "#400d5b",
  "rgb": {
    "r": 64,
    "g": 13,
    "b": 91
  },
  "hsl": {
    "h": 279.231,
    "s": 75,
    "l": 20.392
  },
  "oklch": {
    "l": 0.29428,
    "c": 0.1301,
    "h": 310.2
  },
  "luminance": 0.02133
}

Semantic roles & 50–950 ramp

primary

#400D5B

secondary

#52952F

accent

#F23677

background

#F7F4F8

surface

#EEE8F0

border

#C9C4CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #400D5B

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

Preview Lab → · Contrast checker → · Palette generator →