#3F1FB1#3F1FB1

#3F1FB1 is a dark, highly saturated violet. Relative luminance 0.052; OKLCH L 39.8% C 0.209 H 281.3°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#3F1FB1
RGB	rgb(63, 31, 177)
HSL	hsl(253, 70%, 41%)
HSV	hsv(253, 82%, 69%)
CMYK	cmyk(64.4%, 82.5%, 0%, 30.6%)
CIE-LAB	lab(27.33, 52.96, -70.94)
CIE-LCH	lch(27.33, 88.52, 306.74°)
OKLab	oklab(39.75% 0.0408 -0.2047)
OKLCH	oklch(39.75% 0.209 281.3)
XYZ	xyz(10.4732, 5.2103, 42.0402)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1FB1 #91B11F

analogous

#1F48B1 #3F1FB1 #881FB1

triadic

#3F1FB1 #B13F1F #1FB13F

tetradic

#3F1FB1 #B11F48 #91B11F #1FB188

square

#3F1FB1 #B11F48 #91B11F #1FB188

split-complementary

#3F1FB1 #B1881F #48B11F

monochromatic

#1A0D49 #2C167D #3F1FB1 #5732DB #8266E4

Accessibility & contrast

On white

10.28

#3F1FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3F1FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1FB1

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1FB1	#FFFFFF	#000000	##FFFFFF
##3F1FB1	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B5

Deuteranopia (green-blind)

#003BAF

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f1fb1;
/* rgb */ color: rgb(63, 31, 177);
/* oklch */ color: oklch(39.8% 0.209 281.3);

Tailwind

colors: {
  custom: {
    50: '#8461ca',
    500: '#3f1fb1',
    950: '#000000',
  },
}

SCSS

$custom: #3f1fb1;
$custom-light: #8461ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1fb1",
  "rgb": {
    "r": 63,
    "g": 31,
    "b": 177
  },
  "hsl": {
    "h": 253.151,
    "s": 70.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39754,
    "c": 0.20871,
    "h": 281.3
  },
  "luminance": 0.05211
}

Semantic roles & 50–950 ramp

primary

#3F1FB1

secondary

#B3CA62

accent

#ED3BC6

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3F1FB1

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

Preview Lab → · Contrast checker → · Palette generator →