#3F3BBF#3F3BBF

#3F3BBF is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.8% C 0.199 H 276.1°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX#3F3BBF
RGBrgb(63, 59, 191)
HSLhsl(242, 53%, 49%)
HSVhsv(242, 69%, 75%)
CMYKcmyk(67%, 69.1%, 0%, 25.1%)
CIE-LABlab(33.87, 42.76, -68.45)
CIE-LCHlch(33.87, 80.71, 301.99°)
OKLaboklab(44.79% 0.0211 -0.1977)
OKLCHoklch(44.79% 0.199 276.1)
XYZxyz(13.0148, 7.9451, 50.1278)
Luminance0.0795 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3BBF #BBBF3B
analogous
#3B79BF #3F3BBF #813BBF
triadic
#3F3BBF #BF3F3B #3BBF3F
tetradic
#3F3BBF #BF3B79 #BBBF3B #3BBF81
square
#3F3BBF #BF3B79 #BBBF3B #3BBF81
split-complementary
#3F3BBF #BF813B #79BF3B
monochromatic
#201E61 #302D90 #3F3BBF #6A67D0 #9896DF

Accessibility & contrast

On white

8.11
#3F3BBF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#3F3BBF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BBF
8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3BBF#FFFFFF#000000##FFFFFF
##3F3BBF1.008.112.598.11
#FFFFFF8.111.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055C3
Deuteranopia (green-blind)
#004ABD
Tritanopia (blue-blind)
#005F78
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #3f3bbf;
/* rgb */ color: rgb(63, 59, 191);
/* oklch */ color: oklch(44.8% 0.199 276.1);
Tailwind
colors: {
  custom: {
    50: '#8572d3',
    500: '#3f3bbf',
    950: '#000000',
  },
}
SCSS
$custom: #3f3bbf;
$custom-light: #8572d3;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3bbf",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 191
  },
  "hsl": {
    "h": 241.818,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.4479,
    "c": 0.1988,
    "h": 276.1
  },
  "luminance": 0.07946
}

Semantic roles & 50–950 ramp

primary
#3F3BBF
secondary
#C8CA8C
accent
#DC4CD8
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #3F3BBF

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3BBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva