#3F186E#3F186E

#3F186E is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.2% C 0.138 H 298.9°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#3F186E
RGB	rgb(63, 24, 110)
HSL	hsl(267, 64%, 26%)
HSV	hsv(267, 78%, 43%)
CMYK	cmyk(42.7%, 78.2%, 0%, 56.9%)
CIE-LAB	lab(19.37, 37.22, -42.36)
CIE-LCH	lch(19.37, 56.39, 311.31°)
OKLab	oklab(32.17% 0.0669 -0.1211)
OKLCH	oklch(32.17% 0.138 298.9)
XYZ	xyz(5.1903, 2.8357, 15.0227)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F186E #476E18

analogous

#181C6E #3F186E #6A186E

triadic

#3F186E #6E3F18 #186E3F

tetradic

#3F186E #6E181C #476E18 #186E6A

square

#3F186E #6E181C #476E18 #186E6A

split-complementary

#3F186E #6E6A18 #1C6E18

monochromatic

#0E0519 #220D3C #3F186E #5C23A0 #792FD2

Accessibility & contrast

On white

13.40

#3F186E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#3F186E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F186E

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F186E	#FFFFFF	#000000	##FFFFFF
##3F186E	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F70

Deuteranopia (green-blind)

#002E6C

Tritanopia (blue-blind)

#342E42

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #3f186e;
/* rgb */ color: rgb(63, 24, 110);
/* oklch */ color: oklch(32.2% 0.138 298.9);

Tailwind

colors: {
  custom: {
    50: '#795998',
    500: '#3f186e',
    950: '#000000',
  },
}

SCSS

$custom: #3f186e;
$custom-light: #795998;
$custom-dark: #000000;

JSON

{
  "hex": "#3f186e",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 110
  },
  "hsl": {
    "h": 267.209,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.32169,
    "c": 0.13833,
    "h": 298.9
  },
  "luminance": 0.02836
}

Semantic roles & 50–950 ramp

primary

#3F186E

secondary

#76A43E

accent

#E7419C

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #3F186E

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

Preview Lab → · Contrast checker → · Palette generator →