#3F39C3#3F39C3

#3F39C3 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.9% C 0.206 H 276.1°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX#3F39C3
RGBrgb(63, 57, 195)
HSLhsl(243, 55%, 49%)
HSVhsv(243, 71%, 76%)
CMYKcmyk(67.7%, 70.8%, 0%, 23.5%)
CIE-LABlab(33.82, 45.23, -70.88)
CIE-LCHlch(33.82, 84.08, 302.54°)
OKLaboklab(44.87% 0.0218 -0.2048)
OKLCHoklch(44.87% 0.206 276.1)
XYZxyz(13.3601, 7.9219, 52.4442)
Luminance0.0792 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F39C3 #BDC339
analogous
#3978C3 #3F39C3 #8439C3
triadic
#3F39C3 #C33F39 #39C33F
tetradic
#3F39C3 #C33978 #BDC339 #39C384
square
#3F39C3 #C33978 #BDC339 #39C384
split-complementary
#3F39C3 #C38439 #78C339
monochromatic
#201D64 #302B94 #3F39C3 #6B67D2 #9996E0

Accessibility & contrast

On white

8.13
#3F39C3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.58
#3F39C3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F39C3
8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F39C3#FFFFFF#000000##FFFFFF
##3F39C31.008.132.588.13
#FFFFFF8.131.0021.001.00
#0000002.5821.001.0021.00
##FFFFFF8.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056C7
Deuteranopia (green-blind)
#0049C0
Tritanopia (blue-blind)
#005F7A
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #3f39c3;
/* rgb */ color: rgb(63, 57, 195);
/* oklch */ color: oklch(44.9% 0.206 276.1);
Tailwind
colors: {
  custom: {
    50: '#8671d6',
    500: '#3f39c3',
    950: '#000000',
  },
}
SCSS
$custom: #3f39c3;
$custom-light: #8671d6;
$custom-dark: #000000;
JSON
{
  "hex": "#3f39c3",
  "rgb": {
    "r": 63,
    "g": 57,
    "b": 195
  },
  "hsl": {
    "h": 242.609,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44868,
    "c": 0.20593,
    "h": 276.1
  },
  "luminance": 0.07923
}

Semantic roles & 50–950 ramp

primary
#3F39C3
secondary
#C9CC8C
accent
#DE4AD8
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0D0814
muted
#7D7B83

Preview Lab

Preview with #3F39C3

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

Preview Lab → · Contrast checker → · Palette generator →

#3F39C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva