#3F2FBB#3F2FBB

#3F2FBB is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.7% C 0.206 H 278.2°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX#3F2FBB
RGBrgb(63, 47, 187)
HSLhsl(247, 60%, 46%)
HSVhsv(247, 75%, 73%)
CMYKcmyk(66.3%, 74.9%, 0%, 26.7%)
CIE-LABlab(31.06, 48.22, -70.72)
CIE-LCHlch(31.06, 85.59, 304.29°)
OKLaboklab(42.67% 0.0294 -0.2042)
OKLCHoklch(42.67% 0.206 278.2)
XYZxyz(12.0332, 6.6766, 47.6587)
Luminance0.0668 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F2FBB #ABBB2F
analogous
#2F65BB #3F2FBB #852FBB
triadic
#3F2FBB #BB3F2F #2FBB3F
tetradic
#3F2FBB #BB2F65 #ABBB2F #2FBB85
square
#3F2FBB #BB2F65 #ABBB2F #2FBB85
split-complementary
#3F2FBB #BB852F #65BB2F
monochromatic
#1E1659 #2F238A #3F2FBB #6253D4 #8F84E0

Accessibility & contrast

On white

8.99
#3F2FBB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#3F2FBB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2FBB
8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F2FBB#FFFFFF#000000##FFFFFF
##3F2FBB1.008.992.348.99
#FFFFFF8.991.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004FBF
Deuteranopia (green-blind)
#0043B8
Tritanopia (blue-blind)
#005773
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #3f2fbb;
/* rgb */ color: rgb(63, 47, 187);
/* oklch */ color: oklch(42.7% 0.206 278.2);
Tailwind
colors: {
  custom: {
    50: '#856ad1',
    500: '#3f2fbb',
    950: '#000000',
  },
}
SCSS
$custom: #3f2fbb;
$custom-light: #856ad1;
$custom-dark: #000000;
JSON
{
  "hex": "#3f2fbb",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 187
  },
  "hsl": {
    "h": 246.857,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42671,
    "c": 0.20635,
    "h": 278.2
  },
  "luminance": 0.06678
}

Semantic roles & 50–950 ramp

primary
#3F2FBB
secondary
#C1C97C
accent
#E345D1
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3F2FBB

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

Preview Lab → · Contrast checker → · Palette generator →

#3F2FBB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva