#4283CD#4283CD

#4283CD is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.2% C 0.132 H 253.4°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#4283CD
RGBrgb(66, 131, 205)
HSLhsl(212, 58%, 53%)
HSVhsv(212, 68%, 80%)
CMYKcmyk(67.8%, 36.1%, 0%, 19.6%)
CIE-LABlab(53.81, 3.17, -44.36)
CIE-LCHlch(53.81, 44.47, 274.09°)
OKLaboklab(60.21% -0.0377 -0.126)
OKLCHoklch(60.21% 0.132 253.4)
XYZxyz(21.3785, 21.7964, 60.8262)
Luminance0.2180 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4283CD #CD8C42
analogous
#42C9CD #4283CD #4642CD
triadic
#4283CD #CD4283 #83CD42
tetradic
#4283CD #CD42C9 #CD8C42 #42CD46
square
#4283CD #CD42C9 #CD8C42 #42CD46
split-complementary
#4283CD #CD4642 #C9CD42
monochromatic
#1F4876 #2C65A6 #4283CD #72A3DA #A3C3E7

Accessibility & contrast

On white

3.92
#4283CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.36
#4283CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4283CD
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4283CD#FFFFFF#000000##000000
##4283CD1.003.925.365.36
#FFFFFF3.921.0021.0021.00
#0000005.3621.001.001.00
##0000005.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6288D0
Deuteranopia (green-blind)
#4E7BCC
Tritanopia (blue-blind)
#00949E
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #4283cd;
/* rgb */ color: rgb(66, 131, 205);
/* oklch */ color: oklch(60.2% 0.132 253.4);
Tailwind
colors: {
  custom: {
    50: '#85a6dc',
    500: '#4283cd',
    950: '#000000',
  },
}
SCSS
$custom: #4283cd;
$custom-light: #85a6dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4283cd",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 205
  },
  "hsl": {
    "h": 211.942,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.60209,
    "c": 0.13151,
    "h": 253.4
  },
  "luminance": 0.21799
}

Semantic roles & 50–950 ramp

primary
#4283CD
secondary
#D3B797
accent
#9946E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4283CD

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

Preview Lab → · Contrast checker → · Palette generator →

#4283CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva