#40166E#40166E

#40166E is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.1% C 0.141 H 300.0°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#40166E
RGB	rgb(64, 22, 110)
HSL	hsl(269, 67%, 26%)
HSV	hsv(269, 80%, 43%)
CMYK	cmyk(41.8%, 80%, 0%, 56.9%)
CIE-LAB	lab(19.18, 38.36, -42.67)
CIE-LCH	lch(19.18, 57.37, 311.95°)
OKLab	oklab(32.06% 0.0704 -0.1219)
OKLCH	oklch(32.06% 0.141 300)
XYZ	xyz(5.2150, 2.7895, 15.0125)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40166E #446E16

analogous

#16186E #40166E #6C166E

triadic

#40166E #6E4016 #166E40

tetradic

#40166E #6E1618 #446E16 #166E6C

square

#40166E #6E1618 #446E16 #166E6C

split-complementary

#40166E #6E6C16 #186E16

monochromatic

#0F051A #220C3B #40166E #5E20A1 #7B2AD4

Accessibility & contrast

On white

13.48

#40166E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#40166E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40166E

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40166E	#FFFFFF	#000000	##FFFFFF
##40166E	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E70

Deuteranopia (green-blind)

#002E6C

Tritanopia (blue-blind)

#352D41

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #40166e;
/* rgb */ color: rgb(64, 22, 110);
/* oklch */ color: oklch(32.1% 0.141 300.0);

Tailwind

colors: {
  custom: {
    50: '#7a5898',
    500: '#40166e',
    950: '#000000',
  },
}

SCSS

$custom: #40166e;
$custom-light: #7a5898;
$custom-dark: #000000;

JSON

{
  "hex": "#40166e",
  "rgb": {
    "r": 64,
    "g": 22,
    "b": 110
  },
  "hsl": {
    "h": 268.636,
    "s": 66.667,
    "l": 25.882
  },
  "oklch": {
    "l": 0.32063,
    "c": 0.1408,
    "h": 300
  },
  "luminance": 0.0279
}

Semantic roles & 50–950 ramp

primary

#40166E

secondary

#72A43C

accent

#EA3E98

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #40166E

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

Preview Lab → · Contrast checker → · Palette generator →