#40337C#40337C

#40337C is a dark, moderate violet. Relative luminance 0.049; OKLCH L 37.7% C 0.119 H 287.5°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#40337C
RGB	rgb(64, 51, 124)
HSL	hsl(251, 42%, 34%)
HSV	hsv(251, 59%, 49%)
CMYK	cmyk(48.4%, 58.9%, 0%, 51.4%)
CIE-LAB	lab(26.48, 25.81, -39.77)
CIE-LCH	lch(26.48, 47.41, 302.99°)
OKLab	oklab(37.69% 0.0357 -0.1135)
OKLCH	oklch(37.69% 0.119 287.5)
XYZ	xyz(6.9352, 4.9126, 19.6477)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40337C #6F7C33

analogous

#334B7C #40337C #65337C

triadic

#40337C #7C4033 #337C40

tetradic

#40337C #7C334B #6F7C33 #337C65

square

#40337C #7C334B #6F7C33 #337C65

split-complementary

#40337C #7C6533 #4B7C33

monochromatic

#130F25 #2A2151 #40337C #5645A7 #7868C1

Accessibility & contrast

On white

10.59

#40337C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#40337C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40337C

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40337C	#FFFFFF	#000000	##FFFFFF
##40337C	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04407E

Deuteranopia (green-blind)

#053D7A

Tritanopia (blue-blind)

#2D4352

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #40337c;
/* rgb */ color: rgb(64, 51, 124);
/* oklch */ color: oklch(37.7% 0.119 287.5);

Tailwind

colors: {
  custom: {
    50: '#7a6ba2',
    500: '#40337c',
    950: '#000000',
  },
}

SCSS

$custom: #40337c;
$custom-light: #7a6ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#40337c",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 124
  },
  "hsl": {
    "h": 250.685,
    "s": 41.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37692,
    "c": 0.11895,
    "h": 287.5
  },
  "luminance": 0.04913
}

Semantic roles & 50–950 ramp

primary

#40337C

secondary

#9CA962

accent

#D256BC

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #40337C

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

Preview Lab → · Contrast checker → · Palette generator →