#4187D0#4187D0

#4187D0 is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.2% C 0.132 H 251.7°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#4187D0
RGBrgb(65, 135, 208)
HSLhsl(211, 60%, 54%)
HSVhsv(211, 69%, 82%)
CMYKcmyk(68.8%, 35.1%, 0%, 18.4%)
CIE-LABlab(55.08, 1.68, -44.05)
CIE-LCHlch(55.08, 44.08, 272.18°)
OKLaboklab(61.24% -0.0415 -0.1251)
OKLCHoklch(61.24% 0.132 251.7)
XYZxyz(22.2249, 23.0035, 62.9311)
Luminance0.2301 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4187D0 #D08A41
analogous
#41CFD0 #4187D0 #4241D0
triadic
#4187D0 #D04187 #87D041
tetradic
#4187D0 #D041CF #D08A41 #41D042
square
#4187D0 #D041CF #D08A41 #41D042
split-complementary
#4187D0 #D04241 #CFD041
monochromatic
#1E4A79 #2A69AA #4187D0 #72A6DC #A3C5E8

Accessibility & contrast

On white

3.75
#4187D0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.60
#4187D0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187D0
5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4187D0#FFFFFF#000000##000000
##4187D01.003.755.605.60
#FFFFFF3.751.0021.0021.00
#0000005.6021.001.001.00
##0000005.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#668BD3
Deuteranopia (green-blind)
#527ECF
Tritanopia (blue-blind)
#0098A2
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #4187d0;
/* rgb */ color: rgb(65, 135, 208);
/* oklch */ color: oklch(61.2% 0.132 251.7);
Tailwind
colors: {
  custom: {
    50: '#85a9df',
    500: '#4187d0',
    950: '#000000',
  },
}
SCSS
$custom: #4187d0;
$custom-light: #85a9df;
$custom-dark: #000000;
JSON
{
  "hex": "#4187d0",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 208
  },
  "hsl": {
    "h": 210.629,
    "s": 60.338,
    "l": 53.529
  },
  "oklch": {
    "l": 0.6124,
    "c": 0.13179,
    "h": 251.7
  },
  "luminance": 0.23006
}

Semantic roles & 50–950 ramp

primary
#4187D0
secondary
#D5B798
accent
#9644E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4187D0

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

Preview Lab → · Contrast checker → · Palette generator →

#4187D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva