#3F21A2#3F21A2

#3F21A2 is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.4% C 0.190 H 283.5°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F21A2
RGB	rgb(63, 33, 162)
HSL	hsl(254, 66%, 38%)
HSV	hsv(254, 80%, 64%)
CMYK	cmyk(61.1%, 79.6%, 0%, 36.5%)
CIE-LAB	lab(26.02, 47.74, -64.05)
CIE-LCH	lch(26.02, 79.89, 306.70°)
OKLab	oklab(38.37% 0.0445 -0.1847)
OKLCH	oklch(38.37% 0.19 283.5)
XYZ	xyz(9.1133, 4.7525, 34.6125)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F21A2 #84A221

analogous

#2144A2 #3F21A2 #7F21A2

triadic

#3F21A2 #A23F21 #21A23F

tetradic

#3F21A2 #A22144 #84A221 #21A27F

square

#3F21A2 #A22144 #84A221 #21A27F

split-complementary

#3F21A2 #A27F21 #44A221

monochromatic

#170C3C #2B176F #3F21A2 #532CD4 #7D5FDE

Accessibility & contrast

On white

10.77

#3F21A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3F21A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F21A2

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F21A2	#FFFFFF	#000000	##FFFFFF
##3F21A2	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A6

Deuteranopia (green-blind)

#0039A0

Tritanopia (blue-blind)

#004761

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f21a2;
/* rgb */ color: rgb(63, 33, 162);
/* oklch */ color: oklch(38.4% 0.190 283.5);

Tailwind

colors: {
  custom: {
    50: '#8161bf',
    500: '#3f21a2',
    950: '#000000',
  },
}

SCSS

$custom: #3f21a2;
$custom-light: #8161bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f21a2",
  "rgb": {
    "r": 63,
    "g": 33,
    "b": 162
  },
  "hsl": {
    "h": 253.953,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38371,
    "c": 0.18995,
    "h": 283.5
  },
  "luminance": 0.04753
}

Semantic roles & 50–950 ramp

primary

#3F21A2

secondary

#ABC35C

accent

#E93FC1

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #3F21A2

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

Preview Lab → · Contrast checker → · Palette generator →