#3F219B#3F219B

#3F219B is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.182 H 284.8°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F219B
RGB	rgb(63, 33, 155)
HSL	hsl(255, 65%, 37%)
HSV	hsv(255, 79%, 61%)
CMYK	cmyk(59.4%, 78.7%, 0%, 39.2%)
CIE-LAB	lab(25.29, 45.69, -60.98)
CIE-LCH	lch(25.29, 76.19, 306.84°)
OKLab	oklab(37.65% 0.0466 -0.1757)
OKLCH	oklch(37.65% 0.182 284.8)
XYZ	xyz(8.5083, 4.5105, 31.4263)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F219B #7D9B21

analogous

#21409B #3F219B #7C219B

triadic

#3F219B #9B3F21 #219B3F

tetradic

#3F219B #9B2140 #7D9B21 #219B7C

square

#3F219B #9B2140 #7D9B21 #219B7C

split-complementary

#3F219B #9B7C21 #409B21

monochromatic

#160C36 #2A1669 #3F219B #542CCD #7A5ADC

Accessibility & contrast

On white

11.04

#3F219B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3F219B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F219B

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F219B	#FFFFFF	#000000	##FFFFFF
##3F219B	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#09445D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3f219b;
/* rgb */ color: rgb(63, 33, 155);
/* oklch */ color: oklch(37.6% 0.182 284.8);

Tailwind

colors: {
  custom: {
    50: '#8061ba',
    500: '#3f219b',
    950: '#000000',
  },
}

SCSS

$custom: #3f219b;
$custom-light: #8061ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f219b",
  "rgb": {
    "r": 63,
    "g": 33,
    "b": 155
  },
  "hsl": {
    "h": 254.754,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37648,
    "c": 0.18177,
    "h": 284.8
  },
  "luminance": 0.04511
}

Semantic roles & 50–950 ramp

primary

#3F219B

secondary

#A6C058

accent

#E840BF

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3F219B

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

Preview Lab → · Contrast checker → · Palette generator →