#3F36CC#3F36CC

#3F36CC is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.3% C 0.220 H 275.7°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX#3F36CC
RGBrgb(63, 54, 204)
HSLhsl(244, 60%, 51%)
HSVhsv(244, 74%, 80%)
CMYKcmyk(69.1%, 73.5%, 0%, 20%)
CIE-LABlab(34.09, 49.79, -75.68)
CIE-LCHlch(34.09, 90.59, 303.34°)
OKLaboklab(45.33% 0.0219 -0.2188)
OKLCHoklch(45.33% 0.22 275.7)
XYZxyz(14.2646, 8.0534, 57.9178)
Luminance0.0805 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F36CC #C3CC36
analogous
#3678CC #3F36CC #8A36CC
triadic
#3F36CC #CC3F36 #36CC3F
tetradic
#3F36CC #CC3678 #C3CC36 #36CC8A
square
#3F36CC #CC3678 #C3CC36 #36CC8A
split-complementary
#3F36CC #CC8A36 #78CC36
monochromatic
#201B6C #2F289D #3F36CC #6E67D8 #9C98E5

Accessibility & contrast

On white

8.04
#3F36CC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#3F36CC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36CC
8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F36CC#FFFFFF#000000##FFFFFF
##3F36CC1.008.042.618.04
#FFFFFF8.041.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057D0
Deuteranopia (green-blind)
#0049C9
Tritanopia (blue-blind)
#00617E
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #3f36cc;
/* rgb */ color: rgb(63, 54, 204);
/* oklch */ color: oklch(45.3% 0.220 275.7);
Tailwind
colors: {
  custom: {
    50: '#886fdd',
    500: '#3f36cc',
    950: '#000000',
  },
}
SCSS
$custom: #3f36cc;
$custom-light: #886fdd;
$custom-dark: #000000;
JSON
{
  "hex": "#3f36cc",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 204
  },
  "hsl": {
    "h": 243.6,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45326,
    "c": 0.21986,
    "h": 275.7
  },
  "luminance": 0.08055
}

Semantic roles & 50–950 ramp

primary
#3F36CC
secondary
#CCD08E
accent
#E345D9
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0715
muted
#7E7A83

Preview Lab

Preview with #3F36CC

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

Preview Lab → · Contrast checker → · Palette generator →

#3F36CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva