#40187B#40187B

#40187B is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.153 H 295.0°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#40187B
RGB	rgb(64, 24, 123)
HSL	hsl(264, 67%, 29%)
HSV	hsv(264, 80%, 48%)
CMYK	cmyk(48%, 80.5%, 0%, 51.8%)
CIE-LAB	lab(20.72, 40.96, -48.50)
CIE-LCH	lch(20.72, 63.48, 310.18°)
OKLab	oklab(33.52% 0.0648 -0.1391)
OKLCH	oklch(33.52% 0.153 295)
XYZ	xyz(6.0152, 3.1732, 19.0306)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40187B #537B18

analogous

#18227B #40187B #72187B

triadic

#40187B #7B4018 #187B40

tetradic

#40187B #7B1822 #537B18 #187B72

square

#40187B #7B1822 #537B18 #187B72

split-complementary

#40187B #7B7218 #227B18

monochromatic

#0D051A #250E48 #40187B #5B22AE #7736D8

Accessibility & contrast

On white

12.85

#40187B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#40187B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40187B

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40187B	#FFFFFF	#000000	##FFFFFF
##40187B	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#003079

Tritanopia (blue-blind)

#2F3349

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #40187b;
/* rgb */ color: rgb(64, 24, 123);
/* oklch */ color: oklch(33.5% 0.153 295.0);

Tailwind

colors: {
  custom: {
    50: '#7c5aa2',
    500: '#40187b',
    950: '#000000',
  },
}

SCSS

$custom: #40187b;
$custom-light: #7c5aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#40187b",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 123
  },
  "hsl": {
    "h": 264.242,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3352,
    "c": 0.15343,
    "h": 295
  },
  "luminance": 0.03173
}

Semantic roles & 50–950 ramp

primary

#40187B

secondary

#82B03F

accent

#EA3EA4

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40187B

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

Preview Lab → · Contrast checker → · Palette generator →