#4299CF#4299CF

#4299CF is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.3% C 0.116 H 239.3°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#4299CF
RGBrgb(66, 153, 207)
HSLhsl(203, 59%, 54%)
HSVhsv(203, 68%, 81%)
CMYKcmyk(68.1%, 26.1%, 0%, 18.8%)
CIE-LABlab(60.29, -8.91, -35.30)
CIE-LCHlch(60.29, 36.41, 255.84°)
OKLaboklab(65.34% -0.059 -0.0994)
OKLCHoklch(65.34% 0.116 239.3)
XYZxyz(24.8961, 28.4430, 63.1974)
Luminance0.2845 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4299CF #CF7842
analogous
#42CFBF #4299CF #4252CF
triadic
#4299CF #CF4299 #99CF42
tetradic
#4299CF #BF42CF #CF7842 #52CF42
square
#4299CF #BF42CF #CF7842 #52CF42
split-complementary
#4299CF #CF4252 #CFBF42
monochromatic
#1F5678 #2B79A9 #4299CF #73B3DB #A4CEE8

Accessibility & contrast

On white

3.14
#4299CF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.69
#4299CF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299CF
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4299CF#FFFFFF#000000##000000
##4299CF1.003.146.696.69
#FFFFFF3.141.0021.0021.00
#0000006.6921.001.001.00
##0000006.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8099D1
Deuteranopia (green-blind)
#6D8BCE
Tritanopia (blue-blind)
#00A7AC
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #4299cf;
/* rgb */ color: rgb(66, 153, 207);
/* oklch */ color: oklch(65.3% 0.116 239.3);
Tailwind
colors: {
  custom: {
    50: '#86b6de',
    500: '#4299cf',
    950: '#000000',
  },
}
SCSS
$custom: #4299cf;
$custom-light: #86b6de;
$custom-dark: #000000;
JSON
{
  "hex": "#4299cf",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 207
  },
  "hsl": {
    "h": 202.979,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.65341,
    "c": 0.1156,
    "h": 239.3
  },
  "luminance": 0.28446
}

Semantic roles & 50–950 ramp

primary
#4299CF
secondary
#D5AF98
accent
#8145E3
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #4299CF

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

Preview Lab → · Contrast checker → · Palette generator →

#4299CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva