#40337E#40337E

#40337E is a dark, vivid violet. Relative luminance 0.050; OKLCH L 37.8% C 0.122 H 287.0°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#40337E
RGB	rgb(64, 51, 126)
HSL	hsl(250, 42%, 35%)
HSV	hsv(250, 60%, 49%)
CMYK	cmyk(49.2%, 59.5%, 0%, 50.6%)
CIE-LAB	lab(26.63, 26.46, -40.79)
CIE-LCH	lch(26.63, 48.62, 302.97°)
OKLab	oklab(37.85% 0.0357 -0.1165)
OKLCH	oklch(37.85% 0.122 287)
XYZ	xyz(7.0630, 4.9637, 20.3206)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40337E #717E33

analogous

#334C7E #40337E #66337E

triadic

#40337E #7E4033 #337E40

tetradic

#40337E #7E334C #717E33 #337E66

square

#40337E #7E334C #717E33 #337E66

split-complementary

#40337E #7E6633 #4C7E33

monochromatic

#141027 #2A2152 #40337E #5645AA #7969C2

Accessibility & contrast

On white

10.54

#40337E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#40337E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40337E

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40337E	#FFFFFF	#000000	##FFFFFF
##40337E	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004181

Deuteranopia (green-blind)

#003D7C

Tritanopia (blue-blind)

#2B4453

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #40337e;
/* rgb */ color: rgb(64, 51, 126);
/* oklch */ color: oklch(37.8% 0.122 287.0);

Tailwind

colors: {
  custom: {
    50: '#7a6ba4',
    500: '#40337e',
    950: '#000000',
  },
}

SCSS

$custom: #40337e;
$custom-light: #7a6ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#40337e",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 126
  },
  "hsl": {
    "h": 250.4,
    "s": 42.373,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37847,
    "c": 0.12182,
    "h": 287
  },
  "luminance": 0.04964
}

Semantic roles & 50–950 ramp

primary

#40337E

secondary

#9EAA63

accent

#D256BD

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A060F

muted

#7C7A7F

Preview Lab

Preview with #40337E

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

Preview Lab → · Contrast checker → · Palette generator →