#4187C8#4187C8

#4187C8 is a mid, vivid cyan. Relative luminance 0.226; OKLCH L 60.8% C 0.122 H 249.0°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#4187C8
RGBrgb(65, 135, 200)
HSLhsl(209, 55%, 52%)
HSVhsv(209, 68%, 78%)
CMYKcmyk(67.5%, 32.5%, 0%, 21.6%)
CIE-LABlab(54.68, -1.11, -40.15)
CIE-LCHlch(54.68, 40.17, 268.42°)
OKLaboklab(60.8% -0.0437 -0.1137)
OKLCHoklch(60.8% 0.122 249)
XYZxyz(21.2654, 22.6197, 57.8777)
Luminance0.2262 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4187C8 #C88241
analogous
#41C8C6 #4187C8 #4144C8
triadic
#4187C8 #C84187 #87C841
tetradic
#4187C8 #C641C8 #C88241 #44C841
square
#4187C8 #C641C8 #C88241 #44C841
split-complementary
#4187C8 #C84144 #C8C641
monochromatic
#20496F #2E689E #4187C8 #70A5D6 #A0C3E3

Accessibility & contrast

On white

3.80
#4187C8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.52
#4187C8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187C8
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4187C8#FFFFFF#000000##000000
##4187C81.003.805.525.52
#FFFFFF3.801.0021.0021.00
#0000005.5221.001.001.00
##0000005.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A8ACB
Deuteranopia (green-blind)
#577DC7
Tritanopia (blue-blind)
#00969E
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #4187c8;
/* rgb */ color: rgb(65, 135, 200);
/* oklch */ color: oklch(60.8% 0.122 249.0);
Tailwind
colors: {
  custom: {
    50: '#84a9d9',
    500: '#4187c8',
    950: '#000000',
  },
}
SCSS
$custom: #4187c8;
$custom-light: #84a9d9;
$custom-dark: #000000;
JSON
{
  "hex": "#4187c8",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 200
  },
  "hsl": {
    "h": 208.889,
    "s": 55.102,
    "l": 51.961
  },
  "oklch": {
    "l": 0.60798,
    "c": 0.12181,
    "h": 249
  },
  "luminance": 0.22622
}

Semantic roles & 50–950 ramp

primary
#4187C8
secondary
#D0B195
accent
#9149DE
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C0F14
muted
#7D7F83

Preview Lab

Preview with #4187C8

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

Preview Lab → · Contrast checker → · Palette generator →

#4187C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva