#4284C4#4284C4

#4284C4 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.9% C 0.119 H 249.8°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#4284C4
RGBrgb(66, 132, 196)
HSLhsl(210, 52%, 51%)
HSVhsv(210, 66%, 77%)
CMYKcmyk(66.3%, 32.7%, 0%, 23.1%)
CIE-LABlab(53.65, -0.56, -39.50)
CIE-LCHlch(53.65, 39.51, 269.19°)
OKLaboklab(59.93% -0.0411 -0.1118)
OKLCHoklch(59.93% 0.119 249.8)
XYZxyz(20.4581, 21.6442, 55.3134)
Luminance0.2165 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4284C4 #C48242
analogous
#42C4C3 #4284C4 #4243C4
triadic
#4284C4 #C44284 #84C442
tetradic
#4284C4 #C342C4 #C48242 #43C442
square
#4284C4 #C342C4 #C48242 #43C442
split-complementary
#4284C4 #C44243 #C4C342
monochromatic
#21466A #306599 #4284C4 #71A2D3 #9FC1E1

Accessibility & contrast

On white

3.94
#4284C4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.33
#4284C4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284C4
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4284C4#FFFFFF#000000##000000
##4284C41.003.945.335.33
#FFFFFF3.941.0021.0021.00
#0000005.3321.001.001.00
##0000005.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6887C7
Deuteranopia (green-blind)
#567BC3
Tritanopia (blue-blind)
#00939B
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #4284c4;
/* rgb */ color: rgb(66, 132, 196);
/* oklch */ color: oklch(59.9% 0.119 249.8);
Tailwind
colors: {
  custom: {
    50: '#84a7d6',
    500: '#4284c4',
    950: '#000000',
  },
}
SCSS
$custom: #4284c4;
$custom-light: #84a7d6;
$custom-dark: #000000;
JSON
{
  "hex": "#4284c4",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 196
  },
  "hsl": {
    "h": 209.538,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.59934,
    "c": 0.11913,
    "h": 249.8
  },
  "luminance": 0.21646
}

Semantic roles & 50–950 ramp

primary
#4284C4
secondary
#CEB094
accent
#934CDC
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C0F14
muted
#7D7F83

Preview Lab

Preview with #4284C4

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

Preview Lab → · Contrast checker → · Palette generator →

#4284C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva