#40197B#40197B

#40197B is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.152 H 294.8°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#40197B
RGB	rgb(64, 25, 123)
HSL	hsl(264, 66%, 29%)
HSV	hsv(264, 80%, 48%)
CMYK	cmyk(48%, 79.7%, 0%, 51.8%)
CIE-LAB	lab(20.89, 40.50, -48.24)
CIE-LCH	lch(20.89, 62.98, 310.01°)
OKLab	oklab(33.63% 0.064 -0.1383)
OKLCH	oklch(33.63% 0.152 294.8)
XYZ	xyz(6.0362, 3.2151, 19.0376)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40197B #547B19

analogous

#19237B #40197B #71197B

triadic

#40197B #7B4019 #197B40

tetradic

#40197B #7B1923 #547B19 #197B71

square

#40197B #7B1923 #547B19 #197B71

split-complementary

#40197B #7B7119 #237B19

monochromatic

#0D0519 #260F48 #40197B #5A23AE #7738D7

Accessibility & contrast

On white

12.78

#40197B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#40197B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40197B

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40197B	#FFFFFF	#000000	##FFFFFF
##40197B	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#003179

Tritanopia (blue-blind)

#2F3449

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #40197b;
/* rgb */ color: rgb(64, 25, 123);
/* oklch */ color: oklch(33.6% 0.152 294.8);

Tailwind

colors: {
  custom: {
    50: '#7c5ba2',
    500: '#40197b',
    950: '#000000',
  },
}

SCSS

$custom: #40197b;
$custom-light: #7c5ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#40197b",
  "rgb": {
    "r": 64,
    "g": 25,
    "b": 123
  },
  "hsl": {
    "h": 263.878,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33633,
    "c": 0.15238,
    "h": 294.8
  },
  "luminance": 0.03215
}

Semantic roles & 50–950 ramp

primary

#40197B

secondary

#83AF40

accent

#E93FA5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40197B

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

Preview Lab → · Contrast checker → · Palette generator →