#40307E#40307E

#40307E is a dark, vivid violet. Relative luminance 0.047; OKLCH L 37.3% C 0.126 H 288.1°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#40307E
RGB	rgb(64, 48, 126)
HSL	hsl(252, 45%, 34%)
HSV	hsv(252, 62%, 49%)
CMYK	cmyk(49.2%, 61.9%, 0%, 50.6%)
CIE-LAB	lab(25.89, 28.37, -41.99)
CIE-LCH	lch(25.89, 50.68, 304.05°)
OKLab	oklab(37.3% 0.0393 -0.12)
OKLCH	oklch(37.3% 0.126 288.1)
XYZ	xyz(6.9361, 4.7100, 20.2783)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40307E #6E7E30

analogous

#30477E #40307E #67307E

triadic

#40307E #7E4030 #307E40

tetradic

#40307E #7E3047 #6E7E30 #307E67

square

#40307E #7E3047 #6E7E30 #307E67

split-complementary

#40307E #7E6730 #477E30

monochromatic

#130E25 #291F52 #40307E #5741AA #7864C4

Accessibility & contrast

On white

10.81

#40307E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#40307E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40307E

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40307E	#FFFFFF	#000000	##FFFFFF
##40307E	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F81

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#2C4252

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #40307e;
/* rgb */ color: rgb(64, 48, 126);
/* oklch */ color: oklch(37.3% 0.126 288.1);

Tailwind

colors: {
  custom: {
    50: '#7a69a4',
    500: '#40307e',
    950: '#000000',
  },
}

SCSS

$custom: #40307e;
$custom-light: #7a69a4;
$custom-dark: #000000;

JSON

{
  "hex": "#40307e",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 126
  },
  "hsl": {
    "h": 252.308,
    "s": 44.828,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37304,
    "c": 0.12627,
    "h": 288.1
  },
  "luminance": 0.0471
}

Semantic roles & 50–950 ramp

primary

#40307E

secondary

#9BAB5F

accent

#D553BA

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A060F

muted

#7C7A7F

Preview Lab

Preview with #40307E

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

Preview Lab → · Contrast checker → · Palette generator →