#3F2FBF#3F2FBF

#3F2FBF is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.1% C 0.211 H 277.8°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F2FBF
RGB	rgb(63, 47, 191)
HSL	hsl(247, 61%, 47%)
HSV	hsv(247, 75%, 75%)
CMYK	cmyk(67%, 75.4%, 0%, 25.1%)
CIE-LAB	lab(31.46, 49.46, -72.41)
CIE-LCH	lch(31.46, 87.69, 304.34°)
OKLab	oklab(43.08% 0.0285 -0.2092)
OKLCH	oklch(43.08% 0.211 277.8)
XYZ	xyz(12.4673, 6.8503, 49.9453)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2FBF #AFBF2F

analogous

#2F67BF #3F2FBF #872FBF

triadic

#3F2FBF #BF3F2F #2FBF3F

tetradic

#3F2FBF #BF2F67 #AFBF2F #2FBF87

square

#3F2FBF #BF2F67 #AFBF2F #2FBF87

split-complementary

#3F2FBF #BF872F #67BF2F

monochromatic

#1F175D #2F238E #3F2FBF #6456D5 #9187E1

Accessibility & contrast

On white

8.86

#3F2FBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3F2FBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2FBF

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2FBF	#FFFFFF	#000000	##FFFFFF
##3F2FBF	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C3

Deuteranopia (green-blind)

#0044BC

Tritanopia (blue-blind)

#005975

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f2fbf;
/* rgb */ color: rgb(63, 47, 191);
/* oklch */ color: oklch(43.1% 0.211 277.8);

Tailwind

colors: {
  custom: {
    50: '#866ad4',
    500: '#3f2fbf',
    950: '#000000',
  },
}

SCSS

$custom: #3f2fbf;
$custom-light: #866ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2fbf",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 191
  },
  "hsl": {
    "h": 246.667,
    "s": 60.504,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43077,
    "c": 0.21112,
    "h": 277.8
  },
  "luminance": 0.06851
}

Semantic roles & 50–950 ramp

primary

#3F2FBF

secondary

#C3CB7F

accent

#E444D2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #3F2FBF

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

Preview Lab → · Contrast checker → · Palette generator →