#400F66#400F66

#400F66 is a dark, vivid violet. Relative luminance 0.024; OKLCH L 30.6% C 0.139 H 304.5°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#400F66
RGB	rgb(64, 15, 102)
HSL	hsl(274, 74%, 23%)
HSV	hsv(274, 85%, 40%)
CMYK	cmyk(37.3%, 85.3%, 0%, 60%)
CIE-LAB	lab(17.42, 39.26, -40.31)
CIE-LCH	lch(17.42, 56.27, 314.24°)
OKLab	oklab(30.61% 0.079 -0.1149)
OKLCH	oklch(30.61% 0.139 304.5)
XYZ	xyz(4.6829, 2.3910, 12.7826)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F66 #35660F

analogous

#140F66 #400F66 #660F60

triadic

#400F66 #66400F #0F6640

tetradic

#400F66 #66140F #35660F #0F6066

square

#400F66 #66140F #35660F #0F6066

split-complementary

#400F66 #60660F #0F6614

monochromatic

#11041B #1F0731 #400F66 #61179B #831FD1

Accessibility & contrast

On white

14.21

#400F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#400F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F66

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F66	#FFFFFF	#000000	##FFFFFF
##400F66	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A68

Deuteranopia (green-blind)

#002B64

Tritanopia (blue-blind)

#39273B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #400f66;
/* rgb */ color: rgb(64, 15, 102);
/* oklch */ color: oklch(30.6% 0.139 304.5);

Tailwind

colors: {
  custom: {
    50: '#7a5592',
    500: '#400f66',
    950: '#000000',
  },
}

SCSS

$custom: #400f66;
$custom-light: #7a5592;
$custom-dark: #000000;

JSON

{
  "hex": "#400f66",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 102
  },
  "hsl": {
    "h": 273.793,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.30605,
    "c": 0.13948,
    "h": 304.5
  },
  "luminance": 0.02391
}

Semantic roles & 50–950 ramp

primary

#400F66

secondary

#629F32

accent

#F13788

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#0A030D

muted

#7C787E

Preview Lab

Preview with #400F66

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

Preview Lab → · Contrast checker → · Palette generator →