#288EAC#288EAC

#288EAC is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.3% C 0.100 H 222.3°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX#288EAC
RGBrgb(40, 142, 172)
HSLhsl(194, 62%, 42%)
HSVhsv(194, 77%, 67%)
CMYKcmyk(76.7%, 17.4%, 0%, 32.5%)
CIE-LABlab(54.84, -18.25, -23.99)
CIE-LCHlch(54.84, 30.15, 232.74°)
OKLaboklab(60.32% -0.0739 -0.0672)
OKLCHoklch(60.32% 0.1 222.3)
XYZxyz(17.9914, 22.7735, 42.4692)
Luminance0.2278 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288EAC #AC4628
analogous
#28AC88 #288EAC #284CAC
triadic
#288EAC #AC288E #8EAC28
tetradic
#288EAC #8828AC #AC4628 #4CAC28
square
#288EAC #8828AC #AC4628 #4CAC28
split-complementary
#288EAC #AC284C #AC8828
monochromatic
#113C49 #1C657A #288EAC #3FB1D2 #71C5DE

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##288EAC#FFFFFF#000000##000000
##288EAC1.003.785.565.56
#FFFFFF3.781.0021.0021.00
#0000005.5621.001.001.00
##0000005.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D8AAE
Deuteranopia (green-blind)
#6B7EAC
Tritanopia (blue-blind)
#009798
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #288eac;
/* rgb */ color: rgb(40, 142, 172);
/* oklch */ color: oklch(60.3% 0.100 222.3);
Tailwind
colors: {
  custom: {
    50: '#77afc4',
    500: '#288eac',
    950: '#000000',
  },
}
SCSS
$custom: #288eac;
$custom-light: #77afc4;
$custom-dark: #000000;
JSON
{
  "hex": "#288eac",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 172
  },
  "hsl": {
    "h": 193.636,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.60319,
    "c": 0.09989,
    "h": 222.3
  },
  "luminance": 0.22776
}

Semantic roles & 50–950 ramp

primary
#288EAC
secondary
#C57F6B
accent
#6742E5
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #288EAC

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

Preview Lab → · Contrast checker → · Palette generator →

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