#3B21B2#3B21B2

#3B21B2 is a dark, highly saturated violet. Relative luminance 0.052; OKLCH L 39.7% C 0.209 H 279.2°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#3B21B2
RGB	rgb(59, 33, 178)
HSL	hsl(251, 69%, 41%)
HSV	hsv(251, 81%, 70%)
CMYK	cmyk(66.9%, 81.5%, 0%, 30.2%)
CIE-LAB	lab(27.38, 52.01, -71.45)
CIE-LCH	lch(27.38, 88.37, 306.05°)
OKLab	oklab(39.74% 0.0335 -0.2063)
OKLCH	oklch(39.74% 0.209 279.2)
XYZ	xyz(10.3808, 5.2310, 42.5735)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B21B2 #98B221

analogous

#2150B2 #3B21B2 #8421B2

triadic

#3B21B2 #B23B21 #21B23B

tetradic

#3B21B2 #B22150 #98B221 #21B284

square

#3B21B2 #B22150 #98B221 #21B284

split-complementary

#3B21B2 #B28421 #50B221

monochromatic

#190E4B #2A177E #3B21B2 #5436DA #806AE3

Accessibility & contrast

On white

10.26

#3B21B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3B21B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B21B2

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B21B2	#FFFFFF	#000000	##FFFFFF
##3B21B2	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B6

Deuteranopia (green-blind)

#003BB0

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3b21b2;
/* rgb */ color: rgb(59, 33, 178);
/* oklch */ color: oklch(39.7% 0.209 279.2);

Tailwind

colors: {
  custom: {
    50: '#8262ca',
    500: '#3b21b2',
    950: '#000000',
  },
}

SCSS

$custom: #3b21b2;
$custom-light: #8262ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b21b2",
  "rgb": {
    "r": 59,
    "g": 33,
    "b": 178
  },
  "hsl": {
    "h": 250.759,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39739,
    "c": 0.20903,
    "h": 279.2
  },
  "luminance": 0.05232
}

Semantic roles & 50–950 ramp

primary

#3B21B2

secondary

#B7C966

accent

#EC3CCC

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3B21B2

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

Preview Lab → · Contrast checker → · Palette generator →