#40307D#40307D

#40307D is a dark, vivid violet. Relative luminance 0.047; OKLCH L 37.2% C 0.125 H 288.4°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#40307D
RGB	rgb(64, 48, 125)
HSL	hsl(252, 45%, 34%)
HSV	hsv(252, 62%, 49%)
CMYK	cmyk(48.8%, 61.6%, 0%, 51%)
CIE-LAB	lab(25.82, 28.06, -41.48)
CIE-LCH	lch(25.82, 50.08, 304.07°)
OKLab	oklab(37.22% 0.0393 -0.1185)
OKLCH	oklch(37.22% 0.125 288.4)
XYZ	xyz(6.8719, 4.6843, 19.9401)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40307D #6D7D30

analogous

#30477D #40307D #67307D

triadic

#40307D #7D4030 #307D40

tetradic

#40307D #7D3047 #6D7D30 #307D67

square

#40307D #7D3047 #6D7D30 #307D67

split-complementary

#40307D #7D6730 #477D30

monochromatic

#130E25 #291F51 #40307D #5741A9 #7864C3

Accessibility & contrast

On white

10.84

#40307D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#40307D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40307D

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40307D	#FFFFFF	#000000	##FFFFFF
##40307D	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F80

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#2C4251

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #40307d;
/* rgb */ color: rgb(64, 48, 125);
/* oklch */ color: oklch(37.2% 0.125 288.4);

Tailwind

colors: {
  custom: {
    50: '#7a69a3',
    500: '#40307d',
    950: '#000000',
  },
}

SCSS

$custom: #40307d;
$custom-light: #7a69a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40307d",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 125
  },
  "hsl": {
    "h": 252.468,
    "s": 44.509,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37223,
    "c": 0.12487,
    "h": 288.4
  },
  "luminance": 0.04685
}

Semantic roles & 50–950 ramp

primary

#40307D

secondary

#9BAB5E

accent

#D454B9

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A060F

muted

#7C7A7F

Preview Lab

Preview with #40307D

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

Preview Lab → · Contrast checker → · Palette generator →