#3F186D#3F186D

#3F186D is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.1% C 0.137 H 299.3°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F186D
RGB	rgb(63, 24, 109)
HSL	hsl(268, 64%, 26%)
HSV	hsv(268, 78%, 43%)
CMYK	cmyk(42.2%, 78%, 0%, 57.3%)
CIE-LAB	lab(19.28, 36.95, -41.85)
CIE-LCH	lch(19.28, 55.83, 311.44°)
OKLab	oklab(32.08% 0.0672 -0.1196)
OKLCH	oklch(32.08% 0.137 299.3)
XYZ	xyz(5.1362, 2.8141, 14.7376)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F186D #466D18

analogous

#181B6D #3F186D #69186D

triadic

#3F186D #6D3F18 #186D3F

tetradic

#3F186D #6D181B #466D18 #186D69

square

#3F186D #6D181B #466D18 #186D69

split-complementary

#3F186D #6D6918 #1B6D18

monochromatic

#0E0619 #220D3B #3F186D #5C239F #792ED1

Accessibility & contrast

On white

13.44

#3F186D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#3F186D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F186D

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F186D	#FFFFFF	#000000	##FFFFFF
##3F186D	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6F

Deuteranopia (green-blind)

#002E6B

Tritanopia (blue-blind)

#342E41

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #3f186d;
/* rgb */ color: rgb(63, 24, 109);
/* oklch */ color: oklch(32.1% 0.137 299.3);

Tailwind

colors: {
  custom: {
    50: '#795998',
    500: '#3f186d',
    950: '#000000',
  },
}

SCSS

$custom: #3f186d;
$custom-light: #795998;
$custom-dark: #000000;

JSON

{
  "hex": "#3f186d",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 109
  },
  "hsl": {
    "h": 267.529,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.32077,
    "c": 0.13716,
    "h": 299.3
  },
  "luminance": 0.02814
}

Semantic roles & 50–950 ramp

primary

#3F186D

secondary

#75A33E

accent

#E7419B

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #3F186D

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

Preview Lab → · Contrast checker → · Palette generator →