#400C5B#400C5B

#400C5B is a dark, vivid violet. Relative luminance 0.021; OKLCH L 29.3% C 0.131 H 310.3°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#400C5B
RGB	rgb(64, 12, 91)
HSL	hsl(279, 77%, 20%)
HSV	hsv(279, 87%, 36%)
CMYK	cmyk(29.7%, 86.8%, 0%, 64.3%)
CIE-LAB	lab(16.05, 37.71, -35.24)
CIE-LCH	lch(16.05, 51.61, 316.94°)
OKLab	oklab(29.34% 0.0848 -0.1)
OKLCH	oklch(29.34% 0.131 310.3)
XYZ	xyz(4.1338, 2.1084, 10.0847)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400C5B #275B0C

analogous

#190C5B #400C5B #5B0C4E

triadic

#400C5B #5B400C #0C5B40

tetradic

#400C5B #5B190C #275B0C #0C4E5B

square

#400C5B #5B190C #275B0C #0C4E5B

split-complementary

#400C5B #4E5B0C #0C5B19

monochromatic

#13041B #1A0525 #400C5B #661391 #8C1AC7

Accessibility & contrast

On white

14.77

#400C5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#400C5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400C5B

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400C5B	#FFFFFF	#000000	##FFFFFF
##400C5B	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	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: #400c5b;
/* rgb */ color: rgb(64, 12, 91);
/* oklch */ color: oklch(29.3% 0.131 310.3);

Tailwind

colors: {
  custom: {
    50: '#79538a',
    500: '#400c5b',
    950: '#000000',
  },
}

SCSS

$custom: #400c5b;
$custom-light: #79538a;
$custom-dark: #000000;

JSON

{
  "hex": "#400c5b",
  "rgb": {
    "r": 64,
    "g": 12,
    "b": 91
  },
  "hsl": {
    "h": 279.494,
    "s": 76.699,
    "l": 20.196
  },
  "oklch": {
    "l": 0.2934,
    "c": 0.1311,
    "h": 310.3
  },
  "luminance": 0.02108
}

Semantic roles & 50–950 ramp

primary

#400C5B

secondary

#51962D

accent

#F33576

background

#F7F4F8

surface

#EEE7F0

border

#C9C3CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #400C5B

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

Preview Lab → · Contrast checker → · Palette generator →