#3787D6#3787D6

#3787D6 is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.2% C 0.143 H 251.1°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#3787D6
RGBrgb(55, 135, 214)
HSLhsl(210, 66%, 53%)
HSVhsv(210, 74%, 84%)
CMYKcmyk(74.3%, 36.9%, 0%, 16.1%)
CIE-LABlab(55.06, 2.41, -47.47)
CIE-LCHlch(55.06, 47.53, 272.90°)
OKLaboklab(61.24% -0.0462 -0.1352)
OKLCHoklch(61.24% 0.143 251.1)
XYZxyz(22.3726, 22.9926, 66.8642)
Luminance0.2299 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3787D6 #D68637
analogous
#37D6D5 #3787D6 #3738D6
triadic
#3787D6 #D63787 #87D637
tetradic
#3787D6 #D537D6 #D68637 #38D637
square
#3787D6 #D537D6 #D68637 #38D637
split-complementary
#3787D6 #D63738 #D6D537
monochromatic
#194A7A #2368AC #3787D6 #6AA5E0 #9DC4EB

Accessibility & contrast

On white

3.75
#3787D6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.60
#3787D6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3787D6
5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3787D6#FFFFFF#000000##000000
##3787D61.003.755.605.60
#FFFFFF3.751.0021.0021.00
#0000005.6021.001.001.00
##0000005.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#628CD9
Deuteranopia (green-blind)
#4A7DD4
Tritanopia (blue-blind)
#009AA4
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #3787d6;
/* rgb */ color: rgb(55, 135, 214);
/* oklch */ color: oklch(61.2% 0.143 251.1);
Tailwind
colors: {
  custom: {
    50: '#82a9e3',
    500: '#3787d6',
    950: '#000000',
  },
}
SCSS
$custom: #3787d6;
$custom-light: #82a9e3;
$custom-dark: #000000;
JSON
{
  "hex": "#3787d6",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 214
  },
  "hsl": {
    "h": 209.811,
    "s": 65.975,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61242,
    "c": 0.14289,
    "h": 251.1
  },
  "luminance": 0.22995
}

Semantic roles & 50–950 ramp

primary
#3787D6
secondary
#D7B492
accent
#933FE9
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #3787D6

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

Preview Lab → · Contrast checker → · Palette generator →

#3787D6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva