#400F56#400F56

#400F56 is a dark, vivid purple. Relative luminance 0.021; OKLCH L 29.2% C 0.123 H 312.7°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#400F56
RGB	rgb(64, 15, 86)
HSL	hsl(281, 70%, 20%)
HSV	hsv(281, 83%, 34%)
CMYK	cmyk(25.6%, 82.6%, 0%, 66.3%)
CIE-LAB	lab(16.02, 35.38, -31.91)
CIE-LCH	lch(16.02, 47.64, 317.95°)
OKLab	oklab(29.19% 0.0832 -0.0903)
OKLCH	oklch(29.19% 0.123 312.7)
XYZ	xyz(3.9646, 2.1036, 8.9995)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 5.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F56 #25560F

analogous

#1C0F56 #400F56 #560F49

triadic

#400F56 #56400F #0F5640

tetradic

#400F56 #561C0F #25560F #0F4956

square

#400F56 #561C0F #25560F #0F4956

split-complementary

#400F56 #49560F #0F561C

monochromatic

#13051A #190622 #400F56 #67188A #8E21BE

Accessibility & contrast

On white

14.78

#400F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#400F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F56

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F56	#FFFFFF	#000000	##FFFFFF
##400F56	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002558

Deuteranopia (green-blind)

#062955

Tritanopia (blue-blind)

#3D2032

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #400f56;
/* rgb */ color: rgb(64, 15, 86);
/* oklch */ color: oklch(29.2% 0.123 312.7);

Tailwind

colors: {
  custom: {
    50: '#785486',
    500: '#400f56',
    950: '#000000',
  },
}

SCSS

$custom: #400f56;
$custom-light: #785486;
$custom-dark: #000000;

JSON

{
  "hex": "#400f56",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 86
  },
  "hsl": {
    "h": 281.408,
    "s": 70.297,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29191,
    "c": 0.12274,
    "h": 312.7
  },
  "luminance": 0.02104
}

Semantic roles & 50–950 ramp

primary

#400F56

secondary

#4E9031

accent

#ED3B72

background

#F7F5F8

surface

#EDE8EF

border

#C8C4CA

text

#09030B

muted

#7B787C

Preview Lab

Preview with #400F56

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

Preview Lab → · Contrast checker → · Palette generator →