#3F21AE#3F21AE

#3F21AE is a dark, highly saturated violet. Relative luminance 0.052; OKLCH L 39.6% C 0.204 H 281.5°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F21AE
RGB	rgb(63, 33, 174)
HSL	hsl(253, 68%, 41%)
HSV	hsv(253, 81%, 68%)
CMYK	cmyk(63.8%, 81%, 0%, 31.8%)
CIE-LAB	lab(27.30, 51.23, -69.19)
CIE-LCH	lch(27.30, 86.09, 306.52°)
OKLab	oklab(39.64% 0.0407 -0.1996)
OKLCH	oklch(39.64% 0.204 281.5)
XYZ	xyz(10.2313, 5.1997, 40.5007)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F21AE #90AE21

analogous

#2149AE #3F21AE #8521AE

triadic

#3F21AE #AE3F21 #21AE3F

tetradic

#3F21AE #AE2149 #90AE21 #21AE85

square

#3F21AE #AE2149 #90AE21 #21AE85

split-complementary

#3F21AE #AE8521 #49AE21

monochromatic

#1A0D47 #2C177B #3F21AE #5734D8 #8167E2

Accessibility & contrast

On white

10.29

#3F21AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3F21AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F21AE

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F21AE	#FFFFFF	#000000	##FFFFFF
##3F21AE	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B2

Deuteranopia (green-blind)

#003BAC

Tritanopia (blue-blind)

#004C68

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f21ae;
/* rgb */ color: rgb(63, 33, 174);
/* oklch */ color: oklch(39.6% 0.204 281.5);

Tailwind

colors: {
  custom: {
    50: '#8362c7',
    500: '#3f21ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f21ae;
$custom-light: #8362c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f21ae",
  "rgb": {
    "r": 63,
    "g": 33,
    "b": 174
  },
  "hsl": {
    "h": 252.766,
    "s": 68.116,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39638,
    "c": 0.20374,
    "h": 281.5
  },
  "luminance": 0.052
}

Semantic roles & 50–950 ramp

primary

#3F21AE

secondary

#B2C863

accent

#EB3DC6

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3F21AE

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

Preview Lab → · Contrast checker → · Palette generator →