#4288AE#4288AE

#4288AE is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.8% C 0.091 H 234.9°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#4288AE
RGBrgb(66, 136, 174)
HSLhsl(201, 45%, 47%)
HSVhsv(201, 62%, 68%)
CMYKcmyk(62.1%, 21.8%, 0%, 31.8%)
CIE-LABlab(53.84, -10.27, -26.63)
CIE-LCHlch(53.84, 28.54, 248.90°)
OKLaboklab(59.76% -0.0524 -0.0745)
OKLCHoklch(59.76% 0.091 234.9)
XYZxyz(18.6880, 21.8207, 43.2632)
Luminance0.2182 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4288AE #AE6842
analogous
#42AE9E #4288AE #4252AE
triadic
#4288AE #AE4288 #88AE42
tetradic
#4288AE #9E42AE #AE6842 #52AE42
square
#4288AE #9E42AE #AE6842 #52AE42
split-complementary
#4288AE #AE4252 #AE9E42
monochromatic
#204355 #316582 #4288AE #68A5C6 #94BFD6

Accessibility & contrast

On white

3.91
#4288AE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.36
#4288AE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4288AE
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4288AE#FFFFFF#000000##000000
##4288AE1.003.915.365.36
#FFFFFF3.911.0021.0021.00
#0000005.3621.001.001.00
##0000005.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7687B0
Deuteranopia (green-blind)
#677CAD
Tritanopia (blue-blind)
#009295
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #4288ae;
/* rgb */ color: rgb(66, 136, 174);
/* oklch */ color: oklch(59.8% 0.091 234.9);
Tailwind
colors: {
  custom: {
    50: '#81aac6',
    500: '#4288ae',
    950: '#000000',
  },
}
SCSS
$custom: #4288ae;
$custom-light: #81aac6;
$custom-dark: #000000;
JSON
{
  "hex": "#4288ae",
  "rgb": {
    "r": 66,
    "g": 136,
    "b": 174
  },
  "hsl": {
    "h": 201.111,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.59756,
    "c": 0.09112,
    "h": 234.9
  },
  "luminance": 0.21823
}

Semantic roles & 50–950 ramp

primary
#4288AE
secondary
#C29E8A
accent
#8153D5
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #4288AE

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

Preview Lab → · Contrast checker → · Palette generator →

#4288AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva