#3F20B4#3F20B4

#3F20B4 is a dark, highly saturated violet. Relative luminance 0.054; OKLCH L 40.2% C 0.211 H 280.7°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#3F20B4
RGB	rgb(63, 32, 180)
HSL	hsl(253, 70%, 42%)
HSV	hsv(253, 82%, 71%)
CMYK	cmyk(65%, 82.2%, 0%, 29.4%)
CIE-LAB	lab(27.80, 53.39, -71.94)
CIE-LCH	lch(27.80, 89.58, 306.58°)
OKLab	oklab(40.18% 0.0393 -0.2076)
OKLCH	oklch(40.18% 0.211 280.7)
XYZ	xyz(10.8020, 5.3842, 43.6412)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F20B4 #95B420

analogous

#204BB4 #3F20B4 #8920B4

triadic

#3F20B4 #B43F20 #20B43F

tetradic

#3F20B4 #B4204B #95B420 #20B489

square

#3F20B4 #B4204B #95B420 #20B489

split-complementary

#3F20B4 #B48920 #4BB420

monochromatic

#1B0E4C #2D1780 #3F20B4 #5936DB #846AE4

Accessibility & contrast

On white

10.11

#3F20B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3F20B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F20B4

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F20B4	#FFFFFF	#000000	##FFFFFF
##3F20B4	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B8

Deuteranopia (green-blind)

#003CB1

Tritanopia (blue-blind)

#004E6C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f20b4;
/* rgb */ color: rgb(63, 32, 180);
/* oklch */ color: oklch(40.2% 0.211 280.7);

Tailwind

colors: {
  custom: {
    50: '#8462cc',
    500: '#3f20b4',
    950: '#000000',
  },
}

SCSS

$custom: #3f20b4;
$custom-light: #8462cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f20b4",
  "rgb": {
    "r": 63,
    "g": 32,
    "b": 180
  },
  "hsl": {
    "h": 252.568,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4018,
    "c": 0.21132,
    "h": 280.7
  },
  "luminance": 0.05385
}

Semantic roles & 50–950 ramp

primary

#3F20B4

secondary

#B5CA66

accent

#ED3BC7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0514

muted

#7D7A82

Preview Lab

Preview with #3F20B4

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

Preview Lab → · Contrast checker → · Palette generator →