#40337D#40337D

#40337D is a dark, vivid violet. Relative luminance 0.049; OKLCH L 37.8% C 0.120 H 287.2°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#40337D
RGB	rgb(64, 51, 125)
HSL	hsl(251, 42%, 35%)
HSV	hsv(251, 59%, 49%)
CMYK	cmyk(48.8%, 59.2%, 0%, 51%)
CIE-LAB	lab(26.56, 26.13, -40.28)
CIE-LCH	lch(26.56, 48.02, 302.98°)
OKLab	oklab(37.77% 0.0357 -0.115)
OKLCH	oklch(37.77% 0.12 287.2)
XYZ	xyz(6.9988, 4.9380, 19.9824)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40337D #707D33

analogous

#334B7D #40337D #65337D

triadic

#40337D #7D4033 #337D40

tetradic

#40337D #7D334B #707D33 #337D65

square

#40337D #7D334B #707D33 #337D65

split-complementary

#40337D #7D6533 #4B7D33

monochromatic

#131026 #2A2152 #40337D #5645A8 #7869C2

Accessibility & contrast

On white

10.57

#40337D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#40337D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40337D

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40337D	#FFFFFF	#000000	##FFFFFF
##40337D	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02417F

Deuteranopia (green-blind)

#023D7B

Tritanopia (blue-blind)

#2C4453

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #40337d;
/* rgb */ color: rgb(64, 51, 125);
/* oklch */ color: oklch(37.8% 0.120 287.2);

Tailwind

colors: {
  custom: {
    50: '#7a6ba3',
    500: '#40337d',
    950: '#000000',
  },
}

SCSS

$custom: #40337d;
$custom-light: #7a6ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#40337d",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 125
  },
  "hsl": {
    "h": 250.541,
    "s": 42.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37769,
    "c": 0.12039,
    "h": 287.2
  },
  "luminance": 0.04938
}

Semantic roles & 50–950 ramp

primary

#40337D

secondary

#9DAA62

accent

#D256BC

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #40337D

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

Preview Lab → · Contrast checker → · Palette generator →