#3C74CC#3C74CC

#3C74CC is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.149 H 259.2°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#3C74CC
RGBrgb(60, 116, 204)
HSLhsl(217, 59%, 52%)
HSVhsv(217, 71%, 80%)
CMYKcmyk(70.6%, 43.1%, 0%, 20%)
CIE-LABlab(49.26, 11.06, -51.03)
CIE-LCHlch(49.26, 52.22, 282.23°)
OKLaboklab(56.59% -0.0279 -0.1459)
OKLCHoklch(56.59% 0.149 259.2)
XYZxyz(19.0040, 17.8091, 59.5510)
Luminance0.1781 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3C74CC #CC943C
analogous
#3CBCCC #3C74CC #4C3CCC
triadic
#3C74CC #CC3C74 #74CC3C
tetradic
#3C74CC #CC3CBC #CC943C #3CCC4C
square
#3C74CC #CC3CBC #CC943C #3CCC4C
split-complementary
#3C74CC #CC4C3C #BCCC3C
monochromatic
#1D3E70 #2A58A1 #3C74CC #6D97D9 #9DB9E5

Accessibility & contrast

On white

4.60
#3C74CC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.56
#3C74CC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3C74CC
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3C74CC#FFFFFF#000000##FFFFFF
##3C74CC1.004.604.564.60
#FFFFFF4.601.0021.001.00
#0000004.5621.001.0021.00
##FFFFFF4.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#497CCF
Deuteranopia (green-blind)
#306FCA
Tritanopia (blue-blind)
#008896
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #3c74cc;
/* rgb */ color: rgb(60, 116, 204);
/* oklch */ color: oklch(56.6% 0.149 259.2);
Tailwind
colors: {
  custom: {
    50: '#839bdc',
    500: '#3c74cc',
    950: '#000000',
  },
}
SCSS
$custom: #3c74cc;
$custom-light: #839bdc;
$custom-dark: #000000;
JSON
{
  "hex": "#3c74cc",
  "rgb": {
    "r": 60,
    "g": 116,
    "b": 204
  },
  "hsl": {
    "h": 216.667,
    "s": 58.537,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56594,
    "c": 0.14856,
    "h": 259.2
  },
  "luminance": 0.17811
}

Semantic roles & 50–950 ramp

primary
#3C74CC
secondary
#D1B992
accent
#A546E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3C74CC

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

Preview Lab → · Contrast checker → · Palette generator →

#3C74CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva