#3C21B2#3C21B2

#3C21B2 is a dark, highly saturated violet. Relative luminance 0.053; OKLCH L 39.8% C 0.209 H 279.6°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#3C21B2
RGB	rgb(60, 33, 178)
HSL	hsl(251, 69%, 41%)
HSV	hsv(251, 81%, 70%)
CMYK	cmyk(66.3%, 81.5%, 0%, 30.2%)
CIE-LAB	lab(27.47, 52.10, -71.31)
CIE-LCH	lch(27.47, 88.31, 306.15°)
OKLab	oklab(39.82% 0.035 -0.2059)
OKLCH	oklch(39.82% 0.209 279.6)
XYZ	xyz(10.4407, 5.2619, 42.5763)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C21B2 #97B221

analogous

#214FB2 #3C21B2 #8521B2

triadic

#3C21B2 #B23C21 #21B23C

tetradic

#3C21B2 #B2214F #97B221 #21B285

square

#3C21B2 #B2214F #97B221 #21B285

split-complementary

#3C21B2 #B28521 #4FB221

monochromatic

#190E4B #2B177E #3C21B2 #5536DA #816AE3

Accessibility & contrast

On white

10.23

#3C21B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3C21B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C21B2

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C21B2	#FFFFFF	#000000	##FFFFFF
##3C21B2	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	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: #3c21b2;
/* rgb */ color: rgb(60, 33, 178);
/* oklch */ color: oklch(39.8% 0.209 279.6);

Tailwind

colors: {
  custom: {
    50: '#8362ca',
    500: '#3c21b2',
    950: '#000000',
  },
}

SCSS

$custom: #3c21b2;
$custom-light: #8362ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3c21b2",
  "rgb": {
    "r": 60,
    "g": 33,
    "b": 178
  },
  "hsl": {
    "h": 251.172,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39819,
    "c": 0.20883,
    "h": 279.6
  },
  "luminance": 0.05263
}

Semantic roles & 50–950 ramp

primary

#3C21B2

secondary

#B7C966

accent

#EC3CCB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3C21B2

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

Preview Lab → · Contrast checker → · Palette generator →