#40186E#40186E

#40186E is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.3% C 0.138 H 299.6°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#40186E
RGB	rgb(64, 24, 110)
HSL	hsl(268, 64%, 26%)
HSV	hsv(268, 78%, 43%)
CMYK	cmyk(41.8%, 78.2%, 0%, 56.9%)
CIE-LAB	lab(19.51, 37.41, -42.13)
CIE-LCH	lch(19.51, 56.34, 311.61°)
OKLab	oklab(32.3% 0.0685 -0.1203)
OKLCH	oklch(32.3% 0.138 299.6)
XYZ	xyz(5.2548, 2.8690, 15.0258)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40186E #466E18

analogous

#181B6E #40186E #6B186E

triadic

#40186E #6E4018 #186E40

tetradic

#40186E #6E181B #466E18 #186E6B

square

#40186E #6E181B #466E18 #186E6B

split-complementary

#40186E #6E6B18 #1B6E18

monochromatic

#0F0519 #230D3C #40186E #5D23A0 #7B2FD2

Accessibility & contrast

On white

13.34

#40186E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#40186E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40186E

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40186E	#FFFFFF	#000000	##FFFFFF
##40186E	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F70

Deuteranopia (green-blind)

#002F6C

Tritanopia (blue-blind)

#352E42

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #40186e;
/* rgb */ color: rgb(64, 24, 110);
/* oklch */ color: oklch(32.3% 0.138 299.6);

Tailwind

colors: {
  custom: {
    50: '#7a5998',
    500: '#40186e',
    950: '#000000',
  },
}

SCSS

$custom: #40186e;
$custom-light: #7a5998;
$custom-dark: #000000;

JSON

{
  "hex": "#40186e",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 110
  },
  "hsl": {
    "h": 267.907,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.32296,
    "c": 0.13848,
    "h": 299.6
  },
  "luminance": 0.02869
}

Semantic roles & 50–950 ramp

primary

#40186E

secondary

#74A43E

accent

#E7419A

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #40186E

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

Preview Lab → · Contrast checker → · Palette generator →