#401057#401057

#401057 is a dark, vivid purple. Relative luminance 0.021; OKLCH L 29.4% C 0.123 H 312.0°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#401057
RGB	rgb(64, 16, 87)
HSL	hsl(281, 69%, 20%)
HSV	hsv(281, 82%, 34%)
CMYK	cmyk(26.4%, 81.6%, 0%, 65.9%)
CIE-LAB	lab(16.25, 35.19, -32.22)
CIE-LCH	lch(16.25, 47.71, 317.53°)
OKLab	oklab(29.38% 0.082 -0.0912)
OKLCH	oklch(29.38% 0.123 312)
XYZ	xyz(4.0196, 2.1488, 9.2180)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.58

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401057 #275710

analogous

#1C1057 #401057 #57104B

triadic

#401057 #574010 #105740

tetradic

#401057 #571C10 #275710 #104B57

square

#401057 #571C10 #275710 #104B57

split-complementary

#401057 #4B5710 #10571C

monochromatic

#13051A #1A0623 #401057 #661A8B #8C23BE

Accessibility & contrast

On white

14.69

#401057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#401057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401057

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401057	#FFFFFF	#000000	##FFFFFF
##401057	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002659

Deuteranopia (green-blind)

#052956

Tritanopia (blue-blind)

#3D2133

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #401057;
/* rgb */ color: rgb(64, 16, 87);
/* oklch */ color: oklch(29.4% 0.123 312.0);

Tailwind

colors: {
  custom: {
    50: '#785487',
    500: '#401057',
    950: '#000000',
  },
}

SCSS

$custom: #401057;
$custom-light: #785487;
$custom-dark: #000000;

JSON

{
  "hex": "#401057",
  "rgb": {
    "r": 64,
    "g": 16,
    "b": 87
  },
  "hsl": {
    "h": 280.563,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29377,
    "c": 0.1226,
    "h": 312
  },
  "luminance": 0.02149
}

Semantic roles & 50–950 ramp

primary

#401057

secondary

#519032

accent

#EC3C75

background

#F7F5F8

surface

#EDE9EF

border

#C8C5CA

text

#09030B

muted

#7B787C

Preview Lab

Preview with #401057

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

Preview Lab → · Contrast checker → · Palette generator →