#4083CF#4083CF

#4083CF is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.2% C 0.135 H 253.4°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#4083CF
RGBrgb(64, 131, 207)
HSLhsl(212, 60%, 53%)
HSVhsv(212, 69%, 81%)
CMYKcmyk(69.1%, 36.7%, 0%, 18.8%)
CIE-LABlab(53.84, 3.56, -45.44)
CIE-LCHlch(53.84, 45.58, 274.48°)
OKLaboklab(60.25% -0.0385 -0.1292)
OKLCHoklch(60.25% 0.135 253.4)
XYZxyz(21.4890, 21.8253, 62.0996)
Luminance0.2183 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4083CF #CF8C40
analogous
#40CBCF #4083CF #4440CF
triadic
#4083CF #CF4083 #83CF40
tetradic
#4083CF #CF40CB #CF8C40 #40CF44
square
#4083CF #CF40CB #CF8C40 #40CF44
split-complementary
#4083CF #CF4440 #CBCF40
monochromatic
#1E4877 #2A65A8 #4083CF #71A3DB #A2C3E8

Accessibility & contrast

On white

3.91
#4083CF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.37
#4083CF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083CF
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4083CF#FFFFFF#000000##000000
##4083CF1.003.915.375.37
#FFFFFF3.911.0021.0021.00
#0000005.3721.001.001.00
##0000005.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6188D2
Deuteranopia (green-blind)
#4C7BCD
Tritanopia (blue-blind)
#00959F
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #4083cf;
/* rgb */ color: rgb(64, 131, 207);
/* oklch */ color: oklch(60.2% 0.135 253.4);
Tailwind
colors: {
  custom: {
    50: '#85a6de',
    500: '#4083cf',
    950: '#000000',
  },
}
SCSS
$custom: #4083cf;
$custom-light: #85a6de;
$custom-dark: #000000;
JSON
{
  "hex": "#4083cf",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 207
  },
  "hsl": {
    "h": 211.888,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.60247,
    "c": 0.13485,
    "h": 253.4
  },
  "luminance": 0.21828
}

Semantic roles & 50–950 ramp

primary
#4083CF
secondary
#D4B797
accent
#9945E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4083CF

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

Preview Lab → · Contrast checker → · Palette generator →

#4083CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva