#400F58#400F58

#400F58 is a dark, vivid purple. Relative luminance 0.021; OKLCH L 29.4% C 0.125 H 311.5°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#400F58
RGB	rgb(64, 15, 88)
HSL	hsl(280, 71%, 20%)
HSV	hsv(280, 83%, 35%)
CMYK	cmyk(27.3%, 83%, 0%, 65.5%)
CIE-LAB	lab(16.19, 35.85, -32.99)
CIE-LCH	lch(16.19, 48.72, 317.38°)
OKLab	oklab(29.36% 0.0828 -0.0934)
OKLCH	oklch(29.36% 0.125 311.5)
XYZ	xyz(4.0463, 2.1363, 9.4298)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.70

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F58 #27580F

analogous

#1B0F58 #400F58 #580F4B

triadic

#400F58 #58400F #0F5840

tetradic

#400F58 #581B0F #27580F #0F4B58

square

#400F58 #581B0F #27580F #0F4B58

split-complementary

#400F58 #4B580F #0F581B

monochromatic

#13041A #1A0624 #400F58 #66188C #8C21C1

Accessibility & contrast

On white

14.71

#400F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#400F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F58

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F58	#FFFFFF	#000000	##FFFFFF
##400F58	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265A

Deuteranopia (green-blind)

#022956

Tritanopia (blue-blind)

#3D2133

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #400f58;
/* rgb */ color: rgb(64, 15, 88);
/* oklch */ color: oklch(29.4% 0.125 311.5);

Tailwind

colors: {
  custom: {
    50: '#785488',
    500: '#400f58',
    950: '#000000',
  },
}

SCSS

$custom: #400f58;
$custom-light: #785488;
$custom-dark: #000000;

JSON

{
  "hex": "#400f58",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 88
  },
  "hsl": {
    "h": 280.274,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29359,
    "c": 0.12483,
    "h": 311.5
  },
  "luminance": 0.02136
}

Semantic roles & 50–950 ramp

primary

#400F58

secondary

#519231

accent

#EE3A75

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030B

muted

#7B787C

Preview Lab

Preview with #400F58

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

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