#40366C#40366C

#40366C is a dark, moderate violet. Relative luminance 0.048; OKLCH L 37.1% C 0.090 H 289.8°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#40366C
RGB	rgb(64, 54, 108)
HSL	hsl(251, 33%, 32%)
HSV	hsv(251, 50%, 42%)
CMYK	cmyk(40.7%, 50%, 0%, 57.6%)
CIE-LAB	lab(26.19, 18.77, -30.07)
CIE-LCH	lch(26.19, 35.45, 301.97°)
OKLab	oklab(37.12% 0.0306 -0.085)
OKLCH	oklch(37.12% 0.09 289.8)
XYZ	xyz(6.1396, 4.8109, 14.7896)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40366C #626C36

analogous

#36476C #40366C #5B366C

triadic

#40366C #6C4036 #366C40

tetradic

#40366C #6C3647 #626C36 #366C5B

square

#40366C #6C3647 #626C36 #366C5B

split-complementary

#40366C #6C5B36 #476C36

monochromatic

#100D1A #282243 #40366C #584A95 #7769B4

Accessibility & contrast

On white

10.70

#40366C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#40366C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40366C

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40366C	#FFFFFF	#000000	##FFFFFF
##40366C	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223F6E

Deuteranopia (green-blind)

#223D6B

Tritanopia (blue-blind)

#34414C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #40366c;
/* rgb */ color: rgb(64, 54, 108);
/* oklch */ color: oklch(37.1% 0.090 289.8);

Tailwind

colors: {
  custom: {
    50: '#776d96',
    500: '#40366c',
    950: '#000000',
  },
}

SCSS

$custom: #40366c;
$custom-light: #776d96;
$custom-dark: #000000;

JSON

{
  "hex": "#40366c",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 108
  },
  "hsl": {
    "h": 251.111,
    "s": 33.333,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37124,
    "c": 0.09031,
    "h": 289.8
  },
  "luminance": 0.04811
}

Semantic roles & 50–950 ramp

primary

#40366C

secondary

#929D61

accent

#C95EB6

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #40366C

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

Preview Lab → · Contrast checker → · Palette generator →