#288EAD#288EAD

#288EAD is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.4% C 0.101 H 223.0°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX#288EAD
RGBrgb(40, 142, 173)
HSLhsl(194, 62%, 42%)
HSVhsv(194, 77%, 68%)
CMYKcmyk(76.9%, 17.9%, 0%, 32.2%)
CIE-LABlab(54.88, -17.91, -24.50)
CIE-LCHlch(54.88, 30.35, 233.83°)
OKLaboklab(60.36% -0.0735 -0.0686)
OKLCHoklch(60.36% 0.101 223)
XYZxyz(18.0878, 22.8121, 42.9769)
Luminance0.2281 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288EAD #AD4728
analogous
#28AD8A #288EAD #284CAD
triadic
#288EAD #AD288E #8EAD28
tetradic
#288EAD #8A28AD #AD4728 #4CAD28
square
#288EAD #8A28AD #AD4728 #4CAD28
split-complementary
#288EAD #AD284C #AD8A28
monochromatic
#113C4A #1D657B #288EAD #3FB0D3 #71C5DE

Accessibility & contrast

On white

3.78
#288EAD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.56
#288EAD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288EAD
5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288EAD#FFFFFF#000000##000000
##288EAD1.003.785.565.56
#FFFFFF3.781.0021.0021.00
#0000005.5621.001.001.00
##0000005.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8BAF
Deuteranopia (green-blind)
#6A7EAD
Tritanopia (blue-blind)
#009898
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #288ead;
/* rgb */ color: rgb(40, 142, 173);
/* oklch */ color: oklch(60.4% 0.101 223.0);
Tailwind
colors: {
  custom: {
    50: '#77afc5',
    500: '#288ead',
    950: '#000000',
  },
}
SCSS
$custom: #288ead;
$custom-light: #77afc5;
$custom-dark: #000000;
JSON
{
  "hex": "#288ead",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 173
  },
  "hsl": {
    "h": 193.985,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.60364,
    "c": 0.10059,
    "h": 223
  },
  "luminance": 0.22814
}

Semantic roles & 50–950 ramp

primary
#288EAD
secondary
#C5806C
accent
#6842E6
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #288EAD

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

Preview Lab → · Contrast checker → · Palette generator →

#288EAD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva