#3F29AB#3F29AB

#3F29AB is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.3% C 0.193 H 281.0°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F29AB
RGB	rgb(63, 41, 171)
HSL	hsl(250, 61%, 42%)
HSV	hsv(250, 76%, 67%)
CMYK	cmyk(63.2%, 76%, 0%, 32.9%)
CIE-LAB	lab(28.33, 46.45, -65.67)
CIE-LCH	lch(28.33, 80.44, 305.27°)
OKLab	oklab(40.27% 0.0369 -0.1895)
OKLCH	oklch(40.27% 0.193 281)
XYZ	xyz(10.1912, 5.5822, 39.0606)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F29AB #95AB29

analogous

#2954AB #3F29AB #8029AB

triadic

#3F29AB #AB3F29 #29AB3F

tetradic

#3F29AB #AB2954 #95AB29 #29AB80

square

#3F29AB #AB2954 #95AB29 #29AB80

split-complementary

#3F29AB #AB8029 #54AB29

monochromatic

#1B1148 #2D1D7A #3F29AB #5940D1 #8471DD

Accessibility & contrast

On white

9.92

#3F29AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F29AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F29AB

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F29AB	#FFFFFF	#000000	##FFFFFF
##3F29AB	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AF

Deuteranopia (green-blind)

#003EA9

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f29ab;
/* rgb */ color: rgb(63, 41, 171);
/* oklch */ color: oklch(40.3% 0.193 281.0);

Tailwind

colors: {
  custom: {
    50: '#8266c5',
    500: '#3f29ab',
    950: '#000000',
  },
}

SCSS

$custom: #3f29ab;
$custom-light: #8266c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f29ab",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 171
  },
  "hsl": {
    "h": 250.154,
    "s": 61.321,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40267,
    "c": 0.19304,
    "h": 281
  },
  "luminance": 0.05583
}

Semantic roles & 50–950 ramp

primary

#3F29AB

secondary

#B5C46C

accent

#E443C9

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F29AB

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

Preview Lab → · Contrast checker → · Palette generator →