#3F187C#3F187C

#3F187C is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.155 H 294.0°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F187C
RGB	rgb(63, 24, 124)
HSL	hsl(263, 68%, 29%)
HSV	hsv(263, 81%, 49%)
CMYK	cmyk(49.2%, 80.6%, 0%, 51.4%)
CIE-LAB	lab(20.69, 41.08, -49.20)
CIE-LCH	lch(20.69, 64.09, 309.86°)
OKLab	oklab(33.5% 0.0629 -0.1411)
OKLCH	oklch(33.5% 0.155 294)
XYZ	xyz(6.0136, 3.1651, 19.3589)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F187C #557C18

analogous

#18237C #3F187C #71187C

triadic

#3F187C #7C3F18 #187C3F

tetradic

#3F187C #7C1823 #557C18 #187C71

square

#3F187C #7C1823 #557C18 #187C71

split-complementary

#3F187C #7C7118 #237C18

monochromatic

#0D051A #250E49 #3F187C #5922AF #7536D8

Accessibility & contrast

On white

12.86

#3F187C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#3F187C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F187C

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F187C	#FFFFFF	#000000	##FFFFFF
##3F187C	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#2C344A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #3f187c;
/* rgb */ color: rgb(63, 24, 124);
/* oklch */ color: oklch(33.5% 0.155 294.0);

Tailwind

colors: {
  custom: {
    50: '#7b5aa3',
    500: '#3f187c',
    950: '#000000',
  },
}

SCSS

$custom: #3f187c;
$custom-light: #7b5aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f187c",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 124
  },
  "hsl": {
    "h": 263.4,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33499,
    "c": 0.15451,
    "h": 294
  },
  "luminance": 0.03165
}

Semantic roles & 50–950 ramp

primary

#3F187C

secondary

#84B13F

accent

#EA3DA7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F187C

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

Preview Lab → · Contrast checker → · Palette generator →