#3F3371#3F3371

#3F3371 is a dark, moderate violet. Relative luminance 0.046; OKLCH L 36.8% C 0.103 H 289.2°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F3371
RGB	rgb(63, 51, 113)
HSL	hsl(252, 38%, 32%)
HSV	hsv(252, 55%, 44%)
CMYK	cmyk(44.2%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(25.61, 22.05, -34.19)
CIE-LCH	lch(25.61, 40.69, 302.82°)
OKLab	oklab(36.77% 0.0339 -0.0971)
OKLCH	oklch(36.77% 0.103 289.2)
XYZ	xyz(6.2135, 4.6165, 16.1833)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3371 #657133

analogous

#334671 #3F3371 #5E3371

triadic

#3F3371 #713F33 #33713F

tetradic

#3F3371 #713346 #657133 #33715E

square

#3F3371 #713346 #657133 #33715E

split-complementary

#3F3371 #715E33 #467133

monochromatic

#100D1D #272047 #3F3371 #57469B #7565B9

Accessibility & contrast

On white

10.92

#3F3371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#3F3371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3371

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3371	#FFFFFF	#000000	##FFFFFF
##3F3371	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173E73

Deuteranopia (green-blind)

#183B70

Tritanopia (blue-blind)

#31404D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3f3371;
/* rgb */ color: rgb(63, 51, 113);
/* oklch */ color: oklch(36.8% 0.103 289.2);

Tailwind

colors: {
  custom: {
    50: '#776b9a',
    500: '#3f3371',
    950: '#000000',
  },
}

SCSS

$custom: #3f3371;
$custom-light: #776b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3371",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 251.613,
    "s": 37.805,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36774,
    "c": 0.10287,
    "h": 289.2
  },
  "luminance": 0.04617
}

Semantic roles & 50–950 ramp

primary

#3F3371

secondary

#95A25E

accent

#CE5AB7

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#09060E

muted

#7B7A7E

Preview Lab

Preview with #3F3371

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

Preview Lab → · Contrast checker → · Palette generator →