#40197D#40197D

#40197D is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.155 H 294.2°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#40197D
RGB	rgb(64, 25, 125)
HSL	hsl(263, 67%, 29%)
HSV	hsv(263, 80%, 49%)
CMYK	cmyk(48.8%, 80%, 0%, 51%)
CIE-LAB	lab(21.08, 41.05, -49.20)
CIE-LCH	lch(21.08, 64.07, 309.84°)
OKLab	oklab(33.83% 0.0634 -0.1411)
OKLCH	oklch(33.83% 0.155 294.2)
XYZ	xyz(6.1626, 3.2657, 19.7037)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40197D #567D19

analogous

#19247D #40197D #72197D

triadic

#40197D #7D4019 #197D40

tetradic

#40197D #7D1924 #567D19 #197D72

square

#40197D #7D1924 #567D19 #197D72

split-complementary

#40197D #7D7219 #247D19

monochromatic

#0D051A #260F4A #40197D #5A23B0 #7739D7

Accessibility & contrast

On white

12.70

#40197D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#40197D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40197D

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40197D	#FFFFFF	#000000	##FFFFFF
##40197D	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#2E354A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #40197d;
/* rgb */ color: rgb(64, 25, 125);
/* oklch */ color: oklch(33.8% 0.155 294.2);

Tailwind

colors: {
  custom: {
    50: '#7c5ba4',
    500: '#40197d',
    950: '#000000',
  },
}

SCSS

$custom: #40197d;
$custom-light: #7c5ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#40197d",
  "rgb": {
    "r": 64,
    "g": 25,
    "b": 125
  },
  "hsl": {
    "h": 263.4,
    "s": 66.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33826,
    "c": 0.15468,
    "h": 294.2
  },
  "luminance": 0.03266
}

Semantic roles & 50–950 ramp

primary

#40197D

secondary

#85B140

accent

#EA3EA7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40197D

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

Preview Lab → · Contrast checker → · Palette generator →