#4299CB#4299CB

#4299CB is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.1% C 0.111 H 237.3°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#4299CB
RGBrgb(66, 153, 203)
HSLhsl(202, 57%, 53%)
HSVhsv(202, 67%, 80%)
CMYKcmyk(67.5%, 24.6%, 0%, 20.4%)
CIE-LABlab(60.11, -10.24, -33.33)
CIE-LCHlch(60.11, 34.87, 252.92°)
OKLaboklab(65.15% -0.0603 -0.0937)
OKLCHoklch(65.15% 0.111 237.3)
XYZxyz(24.4133, 28.2499, 60.6545)
Luminance0.2825 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4299CB #CB7442
analogous
#42CBB8 #4299CB #4254CB
triadic
#4299CB #CB4299 #99CB42
tetradic
#4299CB #B842CB #CB7442 #54CB42
square
#4299CB #B842CB #CB7442 #54CB42
split-complementary
#4299CB #CB4254 #CBB842
monochromatic
#205573 #2D78A3 #4299CB #72B3D8 #A2CDE5

Accessibility & contrast

On white

3.16
#4299CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.65
#4299CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299CB
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4299CB#FFFFFF#000000##000000
##4299CB1.003.166.656.65
#FFFFFF3.161.0021.0021.00
#0000006.6521.001.001.00
##0000006.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8198CD
Deuteranopia (green-blind)
#6F8BCA
Tritanopia (blue-blind)
#00A6AA
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #4299cb;
/* rgb */ color: rgb(66, 153, 203);
/* oklch */ color: oklch(65.1% 0.111 237.3);
Tailwind
colors: {
  custom: {
    50: '#85b7db',
    500: '#4299cb',
    950: '#000000',
  },
}
SCSS
$custom: #4299cb;
$custom-light: #85b7db;
$custom-dark: #000000;
JSON
{
  "hex": "#4299cb",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 201.898,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.65147,
    "c": 0.11145,
    "h": 237.3
  },
  "luminance": 0.28253
}

Semantic roles & 50–950 ramp

primary
#4299CB
secondary
#D2AC97
accent
#7F48E0
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #4299CB

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

Preview Lab → · Contrast checker → · Palette generator →

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