#4180CF#4180CF

#4180CF is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.6% C 0.138 H 255.3°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#4180CF
RGBrgb(65, 128, 207)
HSLhsl(213, 60%, 53%)
HSVhsv(213, 69%, 81%)
CMYKcmyk(68.6%, 38.2%, 0%, 18.8%)
CIE-LABlab(53.02, 5.52, -46.74)
CIE-LCHlch(53.02, 47.07, 276.74°)
OKLaboklab(59.62% -0.0349 -0.1331)
OKLCHoklch(59.62% 0.138 255.3)
XYZxyz(21.1575, 21.0649, 61.9703)
Luminance0.2107 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4180CF #CF9041
analogous
#41C7CF #4180CF #4941CF
triadic
#4180CF #CF4180 #80CF41
tetradic
#4180CF #CF41C7 #CF9041 #41CF49
square
#4180CF #CF41C7 #CF9041 #41CF49
split-complementary
#4180CF #CF4941 #C7CF41
monochromatic
#1E4677 #2B62A8 #4180CF #72A1DB #A3C1E8

Accessibility & contrast

On white

4.03
#4180CF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.21
#4180CF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180CF
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4180CF#FFFFFF#000000##000000
##4180CF1.004.035.215.21
#FFFFFF4.031.0021.0021.00
#0000005.2121.001.001.00
##0000005.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5C86D2
Deuteranopia (green-blind)
#4779CD
Tritanopia (blue-blind)
#00929D
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #4180cf;
/* rgb */ color: rgb(65, 128, 207);
/* oklch */ color: oklch(59.6% 0.138 255.3);
Tailwind
colors: {
  custom: {
    50: '#85a4de',
    500: '#4180cf',
    950: '#000000',
  },
}
SCSS
$custom: #4180cf;
$custom-light: #85a4de;
$custom-dark: #000000;
JSON
{
  "hex": "#4180cf",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 207
  },
  "hsl": {
    "h": 213.38,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59617,
    "c": 0.13757,
    "h": 255.3
  },
  "luminance": 0.21067
}

Semantic roles & 50–950 ramp

primary
#4180CF
secondary
#D4B997
accent
#9D45E3
background
#F8FAFD
surface
#F0F3FB
border
#CBCDD4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4180CF

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

Preview Lab → · Contrast checker → · Palette generator →

#4180CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva