#3B21BA#3B21BA

#3B21BA is a dark, highly saturated violet. Relative luminance 0.056; OKLCH L 40.6% C 0.218 H 278.2°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#3B21BA
RGB	rgb(59, 33, 186)
HSL	hsl(250, 70%, 43%)
HSV	hsv(250, 82%, 73%)
CMYK	cmyk(68.3%, 82.3%, 0%, 27.1%)
CIE-LAB	lab(28.28, 54.33, -74.73)
CIE-LCH	lch(28.28, 92.39, 306.02°)
OKLab	oklab(40.62% 0.0311 -0.2159)
OKLCH	oklch(40.62% 0.218 278.2)
XYZ	xyz(11.2076, 5.5617, 46.9277)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B21BA #A0BA21

analogous

#2153BA #3B21BA #8721BA

triadic

#3B21BA #BA3B21 #21BA3B

tetradic

#3B21BA #BA2153 #A0BA21 #21BA87

square

#3B21BA #BA2153 #A0BA21 #21BA87

split-complementary

#3B21BA #BA8721 #53BA21

monochromatic

#1A0F52 #2B1886 #3B21BA #573CDC #8470E6

Accessibility & contrast

On white

9.94

#3B21BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#3B21BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B21BA

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B21BA	#FFFFFF	#000000	##FFFFFF
##3B21BA	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BE

Deuteranopia (green-blind)

#003CB7

Tritanopia (blue-blind)

#00516F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3b21ba;
/* rgb */ color: rgb(59, 33, 186);
/* oklch */ color: oklch(40.6% 0.218 278.2);

Tailwind

colors: {
  custom: {
    50: '#8462d0',
    500: '#3b21ba',
    950: '#000000',
  },
}

SCSS

$custom: #3b21ba;
$custom-light: #8462d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b21ba",
  "rgb": {
    "r": 59,
    "g": 33,
    "b": 186
  },
  "hsl": {
    "h": 250.196,
    "s": 69.863,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40619,
    "c": 0.21808,
    "h": 278.2
  },
  "luminance": 0.05563
}

Semantic roles & 50–950 ramp

primary

#3B21BA

secondary

#BCCC6B

accent

#ED3BCE

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0514

muted

#7D7A83

Preview Lab

Preview with #3B21BA

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

Preview Lab → · Contrast checker → · Palette generator →