#3F34DD#3F34DD

#3F34DD is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.8% C 0.242 H 274.6°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX#3F34DD
RGBrgb(63, 52, 221)
HSLhsl(244, 71%, 54%)
HSVhsv(244, 76%, 87%)
CMYKcmyk(71.5%, 76.5%, 0%, 13.3%)
CIE-LABlab(35.46, 56.11, -83.24)
CIE-LCHlch(35.46, 100.39, 303.98°)
OKLaboklab(46.81% 0.0193 -0.2407)
OKLCHoklch(46.81% 0.242 274.6)
XYZxyz(16.3247, 8.7316, 69.2176)
Luminance0.0873 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F34DD #D2DD34
analogous
#347DDD #3F34DD #9334DD
triadic
#3F34DD #DD3F34 #34DD3F
tetradic
#3F34DD #DD347D #D2DD34 #34DD93
square
#3F34DD #DD347D #D2DD34 #34DD93
split-complementary
#3F34DD #DD9334 #7DDD34
monochromatic
#1D1681 #281EB5 #3F34DD #7168E6 #A29DEF

Accessibility & contrast

On white

7.65
#3F34DD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#3F34DD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F34DD
7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F34DD#FFFFFF#000000##FFFFFF
##3F34DD1.007.652.757.65
#FFFFFF7.651.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005BE2
Deuteranopia (green-blind)
#004BDA
Tritanopia (blue-blind)
#006787
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #3f34dd;
/* rgb */ color: rgb(63, 52, 221);
/* oklch */ color: oklch(46.8% 0.242 274.6);
Tailwind
colors: {
  custom: {
    50: '#8b6fe9',
    500: '#3f34dd',
    950: '#000000',
  },
}
SCSS
$custom: #3f34dd;
$custom-light: #8b6fe9;
$custom-dark: #000000;
JSON
{
  "hex": "#3f34dd",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 221
  },
  "hsl": {
    "h": 243.905,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.46807,
    "c": 0.24153,
    "h": 274.6
  },
  "luminance": 0.08733
}

Semantic roles & 50–950 ramp

primary
#3F34DD
secondary
#D6DB92
accent
#EE3AE2
background
#F9F6FE
surface
#F2ECFD
border
#CCC7D5
text
#0E0716
muted
#7E7A84

Preview Lab

Preview with #3F34DD

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

Preview Lab → · Contrast checker → · Palette generator →

#3F34DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva