#3B21BD#3B21BD

#3B21BD is a dark, highly saturated violet. Relative luminance 0.057; OKLCH L 41.0% C 0.221 H 277.8°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#3B21BD
RGB	rgb(59, 33, 189)
HSL	hsl(250, 70%, 44%)
HSV	hsv(250, 83%, 74%)
CMYK	cmyk(68.8%, 82.5%, 0%, 25.9%)
CIE-LAB	lab(28.62, 55.19, -75.94)
CIE-LCH	lch(28.62, 93.88, 306.01°)
OKLab	oklab(40.95% 0.0301 -0.2194)
OKLCH	oklch(40.95% 0.221 277.8)
XYZ	xyz(11.5298, 5.6906, 48.6250)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B21BD #A3BD21

analogous

#2155BD #3B21BD #8921BD

triadic

#3B21BD #BD3B21 #21BD3B

tetradic

#3B21BD #BD2155 #A3BD21 #21BD89

square

#3B21BD #BD2155 #A3BD21 #21BD89

split-complementary

#3B21BD #BD8921 #55BD21

monochromatic

#1A0F55 #2B1889 #3B21BD #583EDD #8572E6

Accessibility & contrast

On white

9.82

#3B21BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3B21BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B21BD

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B21BD	#FFFFFF	#000000	##FFFFFF
##3B21BD	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C1

Deuteranopia (green-blind)

#003DBA

Tritanopia (blue-blind)

#005371

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3b21bd;
/* rgb */ color: rgb(59, 33, 189);
/* oklch */ color: oklch(41.0% 0.221 277.8);

Tailwind

colors: {
  custom: {
    50: '#8562d2',
    500: '#3b21bd',
    950: '#000000',
  },
}

SCSS

$custom: #3b21bd;
$custom-light: #8562d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b21bd",
  "rgb": {
    "r": 59,
    "g": 33,
    "b": 189
  },
  "hsl": {
    "h": 250,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40952,
    "c": 0.22144,
    "h": 277.8
  },
  "luminance": 0.05692
}

Semantic roles & 50–950 ramp

primary

#3B21BD

secondary

#BDCD6D

accent

#ED3BCF

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0514

muted

#7E7A83

Preview Lab

Preview with #3B21BD

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

Preview Lab → · Contrast checker → · Palette generator →