#3F186C#3F186C

#3F186C is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.0% C 0.136 H 299.7°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#3F186C
RGB	rgb(63, 24, 108)
HSL	hsl(268, 64%, 26%)
HSV	hsv(268, 78%, 42%)
CMYK	cmyk(41.7%, 77.8%, 0%, 57.6%)
CIE-LAB	lab(19.19, 36.68, -41.35)
CIE-LCH	lch(19.19, 55.27, 311.57°)
OKLab	oklab(31.99% 0.0674 -0.1181)
OKLCH	oklch(31.99% 0.136 299.7)
XYZ	xyz(5.0826, 2.7927, 14.4557)
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

#3F186C #456C18

analogous

#181B6C #3F186C #69186C

triadic

#3F186C #6C3F18 #186C3F

tetradic

#3F186C #6C181B #456C18 #186C69

square

#3F186C #6C181B #456C18 #186C69

split-complementary

#3F186C #6C6918 #1B6C18

monochromatic

#0F0619 #220D3A #3F186C #5C239E #792ED0

Accessibility & contrast

On white

13.47

#3F186C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#3F186C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F186C

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F186C	#FFFFFF	#000000	##FFFFFF
##3F186C	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6E

Deuteranopia (green-blind)

#002E6A

Tritanopia (blue-blind)

#342D41

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #3f186c;
/* rgb */ color: rgb(63, 24, 108);
/* oklch */ color: oklch(32.0% 0.136 299.7);

Tailwind

colors: {
  custom: {
    50: '#795997',
    500: '#3f186c',
    950: '#000000',
  },
}

SCSS

$custom: #3f186c;
$custom-light: #795997;
$custom-dark: #000000;

JSON

{
  "hex": "#3f186c",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 108
  },
  "hsl": {
    "h": 267.857,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.31986,
    "c": 0.13599,
    "h": 299.7
  },
  "luminance": 0.02793
}

Semantic roles & 50–950 ramp

primary

#3F186C

secondary

#73A23E

accent

#E7419A

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#09040D

muted

#7B797E

Preview Lab

Preview with #3F186C

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

Preview Lab → · Contrast checker → · Palette generator →