#3F21AC#3F21AC

#3F21AC is a dark, highly saturated violet. Relative luminance 0.051; OKLCH L 39.4% C 0.201 H 281.8°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#3F21AC
RGB	rgb(63, 33, 172)
HSL	hsl(253, 68%, 40%)
HSV	hsv(253, 81%, 67%)
CMYK	cmyk(63.4%, 80.8%, 0%, 32.5%)
CIE-LAB	lab(27.08, 50.65, -68.34)
CIE-LCH	lch(27.08, 85.06, 306.54°)
OKLab	oklab(39.42% 0.0414 -0.1972)
OKLCH	oklch(39.42% 0.201 281.8)
XYZ	xyz(10.0378, 5.1223, 39.4815)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F21AC #8EAC21

analogous

#2148AC #3F21AC #8521AC

triadic

#3F21AC #AC3F21 #21AC3F

tetradic

#3F21AC #AC2148 #8EAC21 #21AC85

square

#3F21AC #AC2148 #8EAC21 #21AC85

split-complementary

#3F21AC #AC8521 #48AC21

monochromatic

#190D45 #2C1779 #3F21AC #5632D8 #8166E2

Accessibility & contrast

On white

10.37

#3F21AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3F21AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F21AC

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F21AC	#FFFFFF	#000000	##FFFFFF
##3F21AC	1.00	10.37	2.02	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B0

Deuteranopia (green-blind)

#003BAA

Tritanopia (blue-blind)

#004B67

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f21ac;
/* rgb */ color: rgb(63, 33, 172);
/* oklch */ color: oklch(39.4% 0.201 281.8);

Tailwind

colors: {
  custom: {
    50: '#8362c6',
    500: '#3f21ac',
    950: '#000000',
  },
}

SCSS

$custom: #3f21ac;
$custom-light: #8362c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f21ac",
  "rgb": {
    "r": 63,
    "g": 33,
    "b": 172
  },
  "hsl": {
    "h": 252.95,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39424,
    "c": 0.20146,
    "h": 281.8
  },
  "luminance": 0.05123
}

Semantic roles & 50–950 ramp

primary

#3F21AC

secondary

#B1C762

accent

#EB3DC5

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3F21AC

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

Preview Lab → · Contrast checker → · Palette generator →