#4280CE#4280CE

#4280CE is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.6% C 0.136 H 255.3°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#4280CE
RGBrgb(66, 128, 206)
HSLhsl(213, 59%, 53%)
HSVhsv(213, 68%, 81%)
CMYKcmyk(68%, 37.9%, 0%, 19.2%)
CIE-LABlab(53.00, 5.33, -46.20)
CIE-LCHlch(53.00, 46.51, 276.58°)
OKLaboklab(59.6% -0.0345 -0.1314)
OKLCHoklch(59.6% 0.136 255.3)
XYZxyz(21.1025, 21.0506, 61.3316)
Luminance0.2105 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4280CE #CE9042
analogous
#42C6CE #4280CE #4A42CE
triadic
#4280CE #CE4280 #80CE42
tetradic
#4280CE #CE42C6 #CE9042 #42CE4A
square
#4280CE #CE42C6 #CE9042 #42CE4A
split-complementary
#4280CE #CE4A42 #C6CE42
monochromatic
#1F4677 #2B62A7 #4280CE #73A1DB #A3C1E7

Accessibility & contrast

On white

4.03
#4280CE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.21
#4280CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4280CE
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4280CE#FFFFFF#000000##000000
##4280CE1.004.035.215.21
#FFFFFF4.031.0021.0021.00
#0000005.2121.001.001.00
##0000005.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5D86D1
Deuteranopia (green-blind)
#4879CC
Tritanopia (blue-blind)
#00929D
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #4280ce;
/* rgb */ color: rgb(66, 128, 206);
/* oklch */ color: oklch(59.6% 0.136 255.3);
Tailwind
colors: {
  custom: {
    50: '#85a4dd',
    500: '#4280ce',
    950: '#000000',
  },
}
SCSS
$custom: #4280ce;
$custom-light: #85a4dd;
$custom-dark: #000000;
JSON
{
  "hex": "#4280ce",
  "rgb": {
    "r": 66,
    "g": 128,
    "b": 206
  },
  "hsl": {
    "h": 213.429,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59598,
    "c": 0.13589,
    "h": 255.3
  },
  "luminance": 0.21053
}

Semantic roles & 50–950 ramp

primary
#4280CE
secondary
#D4B998
accent
#9D46E2
background
#F8FAFD
surface
#F0F3FB
border
#CBCDD4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4280CE

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

Preview Lab → · Contrast checker → · Palette generator →

#4280CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva