#3C37CC#3C37CC

#3C37CC is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.3% C 0.220 H 274.6°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX#3C37CC
RGBrgb(60, 55, 204)
HSLhsl(242, 59%, 51%)
HSVhsv(242, 73%, 80%)
CMYKcmyk(70.6%, 73%, 0%, 20%)
CIE-LABlab(34.09, 48.94, -75.69)
CIE-LCHlch(34.09, 90.14, 302.88°)
OKLaboklab(45.27% 0.0177 -0.2189)
OKLCHoklch(45.27% 0.22 274.6)
XYZxyz(14.1251, 8.0513, 57.9247)
Luminance0.0805 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3C37CC #C7CC37
analogous
#377DCC #3C37CC #8637CC
triadic
#3C37CC #CC3C37 #37CC3C
tetradic
#3C37CC #CC377D #C7CC37 #37CC86
square
#3C37CC #CC377D #C7CC37 #37CC86
split-complementary
#3C37CC #CC8637 #7DCC37
monochromatic
#1E1C6D #2C289E #3C37CC #6C68D8 #9B99E5

Accessibility & contrast

On white

8.04
#3C37CC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#3C37CC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C37CC
8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3C37CC#FFFFFF#000000##FFFFFF
##3C37CC1.008.042.618.04
#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)
#00627E
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #3c37cc;
/* rgb */ color: rgb(60, 55, 204);
/* oklch */ color: oklch(45.3% 0.220 274.6);
Tailwind
colors: {
  custom: {
    50: '#8670dd',
    500: '#3c37cc',
    950: '#000000',
  },
}
SCSS
$custom: #3c37cc;
$custom-light: #8670dd;
$custom-dark: #000000;
JSON
{
  "hex": "#3c37cc",
  "rgb": {
    "r": 60,
    "g": 55,
    "b": 204
  },
  "hsl": {
    "h": 242.013,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45271,
    "c": 0.21959,
    "h": 274.6
  },
  "luminance": 0.08053
}

Semantic roles & 50–950 ramp

primary
#3C37CC
secondary
#CED08E
accent
#E345DD
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0715
muted
#7E7A83

Preview Lab

Preview with #3C37CC

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

Preview Lab → · Contrast checker → · Palette generator →

#3C37CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva