#40166C#40166C

#40166C is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.9% C 0.139 H 300.8°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#40166C
RGB	rgb(64, 22, 108)
HSL	hsl(269, 66%, 25%)
HSV	hsv(269, 80%, 42%)
CMYK	cmyk(40.7%, 79.6%, 0%, 57.6%)
CIE-LAB	lab(19.00, 37.82, -41.66)
CIE-LCH	lch(19.00, 56.27, 312.23°)
OKLab	oklab(31.88% 0.071 -0.119)
OKLCH	oklch(31.88% 0.139 300.8)
XYZ	xyz(5.1074, 2.7465, 14.4455)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40166C #426C16

analogous

#16176C #40166C #6B166C

triadic

#40166C #6C4016 #166C40

tetradic

#40166C #6C1617 #426C16 #166C6B

square

#40166C #6C1617 #426C16 #166C6B

split-complementary

#40166C #6C6B16 #176C16

monochromatic

#0F0519 #220C39 #40166C #5E209F #7C2BD2

Accessibility & contrast

On white

13.55

#40166C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#40166C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40166C

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40166C	#FFFFFF	#000000	##FFFFFF
##40166C	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6E

Deuteranopia (green-blind)

#002E6A

Tritanopia (blue-blind)

#362C40

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #40166c;
/* rgb */ color: rgb(64, 22, 108);
/* oklch */ color: oklch(31.9% 0.139 300.8);

Tailwind

colors: {
  custom: {
    50: '#7a5897',
    500: '#40166c',
    950: '#000000',
  },
}

SCSS

$custom: #40166c;
$custom-light: #7a5897;
$custom-dark: #000000;

JSON

{
  "hex": "#40166c",
  "rgb": {
    "r": 64,
    "g": 22,
    "b": 108
  },
  "hsl": {
    "h": 269.302,
    "s": 66.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.31879,
    "c": 0.13854,
    "h": 300.8
  },
  "luminance": 0.02747
}

Semantic roles & 50–950 ramp

primary

#40166C

secondary

#70A23C

accent

#E93F96

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #40166C

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

Preview Lab → · Contrast checker → · Palette generator →