#3F299D#3F299D

#3F299D is a dark, vivid violet. Relative luminance 0.051; OKLCH L 38.9% C 0.176 H 283.2°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#3F299D
RGB	rgb(63, 41, 157)
HSL	hsl(251, 59%, 39%)
HSV	hsv(251, 74%, 62%)
CMYK	cmyk(59.9%, 73.9%, 0%, 38.4%)
CIE-LAB	lab(26.95, 42.14, -59.47)
CIE-LCH	lch(26.95, 72.89, 305.32°)
OKLab	oklab(38.88% 0.0403 -0.1714)
OKLCH	oklch(38.88% 0.176 283.2)
XYZ	xyz(8.9268, 5.0764, 32.4012)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F299D #879D29

analogous

#294D9D #3F299D #79299D

triadic

#3F299D #9D3F29 #299D3F

tetradic

#3F299D #9D294D #879D29 #299D79

square

#3F299D #9D294D #879D29 #299D79

split-complementary

#3F299D #9D7929 #4D9D29

monochromatic

#18103C #2C1C6C #3F299D #5438CB #7E69D8

Accessibility & contrast

On white

10.42

#3F299D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3F299D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F299D

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F299D	#FFFFFF	#000000	##FFFFFF
##3F299D	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A0

Deuteranopia (green-blind)

#003C9B

Tritanopia (blue-blind)

#014960

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f299d;
/* rgb */ color: rgb(63, 41, 157);
/* oklch */ color: oklch(38.9% 0.176 283.2);

Tailwind

colors: {
  custom: {
    50: '#7f65bb',
    500: '#3f299d',
    950: '#000000',
  },
}

SCSS

$custom: #3f299d;
$custom-light: #7f65bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f299d",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 157
  },
  "hsl": {
    "h": 251.379,
    "s": 58.586,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38875,
    "c": 0.17603,
    "h": 283.2
  },
  "luminance": 0.05077
}

Semantic roles & 50–950 ramp

primary

#3F299D

secondary

#ADBE64

accent

#E246C4

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F299D

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

Preview Lab → · Contrast checker → · Palette generator →