#3F307C#3F307C

#3F307C is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.0% C 0.124 H 287.9°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F307C
RGB	rgb(63, 48, 124)
HSL	hsl(252, 44%, 34%)
HSV	hsv(252, 61%, 49%)
CMYK	cmyk(49.2%, 61.3%, 0%, 51.4%)
CIE-LAB	lab(25.64, 27.51, -41.14)
CIE-LCH	lch(25.64, 49.49, 303.77°)
OKLab	oklab(37.05% 0.038 -0.1175)
OKLCH	oklch(37.05% 0.124 287.9)
XYZ	xyz(6.7439, 4.6256, 19.6024)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F307C #6D7C30

analogous

#30477C #3F307C #65307C

triadic

#3F307C #7C3F30 #307C3F

tetradic

#3F307C #7C3047 #6D7C30 #307C65

square

#3F307C #7C3047 #6D7C30 #307C65

split-complementary

#3F307C #7C6530 #477C30

monochromatic

#120E24 #291F50 #3F307C #5541A8 #7664C3

Accessibility & contrast

On white

10.91

#3F307C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3F307C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F307C

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F307C	#FFFFFF	#000000	##FFFFFF
##3F307C	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7E

Deuteranopia (green-blind)

#003B7A

Tritanopia (blue-blind)

#2B4151

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3f307c;
/* rgb */ color: rgb(63, 48, 124);
/* oklch */ color: oklch(37.0% 0.124 287.9);

Tailwind

colors: {
  custom: {
    50: '#7969a2',
    500: '#3f307c',
    950: '#000000',
  },
}

SCSS

$custom: #3f307c;
$custom-light: #7969a2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f307c",
  "rgb": {
    "r": 63,
    "g": 48,
    "b": 124
  },
  "hsl": {
    "h": 251.842,
    "s": 44.186,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37047,
    "c": 0.12351,
    "h": 287.9
  },
  "luminance": 0.04626
}

Semantic roles & 50–950 ramp

primary

#3F307C

secondary

#9BAA5E

accent

#D454BB

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3F307C

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

Preview Lab → · Contrast checker → · Palette generator →