#40307F#40307F

#40307F is a dark, vivid violet. Relative luminance 0.047; OKLCH L 37.4% C 0.128 H 287.9°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#40307F
RGB	rgb(64, 48, 127)
HSL	hsl(252, 45%, 34%)
HSV	hsv(252, 62%, 50%)
CMYK	cmyk(49.6%, 62.2%, 0%, 50.2%)
CIE-LAB	lab(25.97, 28.69, -42.49)
CIE-LCH	lch(25.97, 51.27, 304.03°)
OKLab	oklab(37.38% 0.0393 -0.1215)
OKLCH	oklch(37.38% 0.128 287.9)
XYZ	xyz(7.0010, 4.7359, 20.6198)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40307F #6F7F30

analogous

#30487F #40307F #68307F

triadic

#40307F #7F4030 #307F40

tetradic

#40307F #7F3048 #6F7F30 #307F68

square

#40307F #7F3048 #6F7F30 #307F68

split-complementary

#40307F #7F6830 #487F30

monochromatic

#130E26 #2A1F53 #40307F #5641AB #7865C5

Accessibility & contrast

On white

10.78

#40307F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#40307F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40307F

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40307F	#FFFFFF	#000000	##FFFFFF
##40307F	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F82

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#2B4252

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #40307f;
/* rgb */ color: rgb(64, 48, 127);
/* oklch */ color: oklch(37.4% 0.128 287.9);

Tailwind

colors: {
  custom: {
    50: '#7a69a5',
    500: '#40307f',
    950: '#000000',
  },
}

SCSS

$custom: #40307f;
$custom-light: #7a69a5;
$custom-dark: #000000;

JSON

{
  "hex": "#40307f",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 127
  },
  "hsl": {
    "h": 252.152,
    "s": 45.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37384,
    "c": 0.12768,
    "h": 287.9
  },
  "luminance": 0.04736
}

Semantic roles & 50–950 ramp

primary

#40307F

secondary

#9CAC5F

accent

#D553BB

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A060F

muted

#7C7A7F

Preview Lab

Preview with #40307F

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

Preview Lab → · Contrast checker → · Palette generator →