#3F33C3#3F33C3

#3F33C3 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.0% C 0.212 H 276.9°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#3F33C3
RGBrgb(63, 51, 195)
HSLhsl(245, 59%, 48%)
HSVhsv(245, 74%, 76%)
CMYKcmyk(67.7%, 73.8%, 0%, 23.5%)
CIE-LABlab(32.62, 48.58, -72.85)
CIE-LCHlch(32.62, 87.56, 303.69°)
OKLaboklab(44.01% 0.0254 -0.2105)
OKLCHoklch(44.01% 0.212 276.9)
XYZxyz(13.0808, 7.3634, 52.3511)
Luminance0.0736 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F33C3 #B7C333
analogous
#336FC3 #3F33C3 #8733C3
triadic
#3F33C3 #C33F33 #33C33F
tetradic
#3F33C3 #C3336F #B7C333 #33C387
square
#3F33C3 #C3336F #B7C333 #33C387
split-complementary
#3F33C3 #C38733 #6FC333
monochromatic
#201A62 #2F2692 #3F33C3 #685ED5 #968FE2

Accessibility & contrast

On white

8.49
#3F33C3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#3F33C3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F33C3
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F33C3#FFFFFF#000000##FFFFFF
##3F33C31.008.492.478.49
#FFFFFF8.491.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053C7
Deuteranopia (green-blind)
#0046C0
Tritanopia (blue-blind)
#005C78
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #3f33c3;
/* rgb */ color: rgb(63, 51, 195);
/* oklch */ color: oklch(44.0% 0.212 276.9);
Tailwind
colors: {
  custom: {
    50: '#866dd6',
    500: '#3f33c3',
    950: '#000000',
  },
}
SCSS
$custom: #3f33c3;
$custom-light: #866dd6;
$custom-dark: #000000;
JSON
{
  "hex": "#3f33c3",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 195
  },
  "hsl": {
    "h": 245,
    "s": 58.537,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44014,
    "c": 0.21202,
    "h": 276.9
  },
  "luminance": 0.07365
}

Semantic roles & 50–950 ramp

primary
#3F33C3
secondary
#C6CC86
accent
#E246D5
background
#F9F6FD
surface
#F1ECFA
border
#CBC7D3
text
#0D0715
muted
#7E7A83

Preview Lab

Preview with #3F33C3

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

Preview Lab → · Contrast checker → · Palette generator →

#3F33C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva