#400F55#400F55

#400F55 is a dark, vivid purple. Relative luminance 0.021; OKLCH L 29.1% C 0.122 H 313.2°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#400F55
RGB	rgb(64, 15, 85)
HSL	hsl(282, 70%, 20%)
HSV	hsv(282, 82%, 33%)
CMYK	cmyk(24.7%, 82.4%, 0%, 66.7%)
CIE-LAB	lab(15.94, 35.14, -31.36)
CIE-LCH	lch(15.94, 47.10, 318.25°)
OKLab	oklab(29.11% 0.0834 -0.0887)
OKLCH	oklch(29.11% 0.122 313.2)
XYZ	xyz(3.9246, 2.0876, 8.7888)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 5.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F55 #24550F

analogous

#1D0F55 #400F55 #550F47

triadic

#400F55 #55400F #0F5540

tetradic

#400F55 #551D0F #24550F #0F4755

square

#400F55 #551D0F #24550F #0F4755

split-complementary

#400F55 #47550F #0F551D

monochromatic

#14051A #190621 #400F55 #671889 #8E21BD

Accessibility & contrast

On white

14.81

#400F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#400F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F55

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F55	#FFFFFF	#000000	##FFFFFF
##400F55	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002557

Deuteranopia (green-blind)

#072954

Tritanopia (blue-blind)

#3E1F31

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #400f55;
/* rgb */ color: rgb(64, 15, 85);
/* oklch */ color: oklch(29.1% 0.122 313.2);

Tailwind

colors: {
  custom: {
    50: '#785485',
    500: '#400f55',
    950: '#000000',
  },
}

SCSS

$custom: #400f55;
$custom-light: #785485;
$custom-dark: #000000;

JSON

{
  "hex": "#400f55",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 85
  },
  "hsl": {
    "h": 282,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29108,
    "c": 0.12171,
    "h": 313.2
  },
  "luminance": 0.02088
}

Semantic roles & 50–950 ramp

primary

#400F55

secondary

#4D8F31

accent

#ED3B70

background

#F7F5F8

surface

#EDE8EF

border

#C8C4CA

text

#09030B

muted

#7B787C

Preview Lab

Preview with #400F55

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

Preview Lab → · Contrast checker → · Palette generator →