#288EAA#288EAA

#288EAA is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.2% C 0.099 H 220.7°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX#288EAA
RGBrgb(40, 142, 170)
HSLhsl(193, 62%, 41%)
HSVhsv(193, 76%, 67%)
CMYKcmyk(76.5%, 16.5%, 0%, 33.3%)
CIE-LABlab(54.76, -18.93, -22.97)
CIE-LCHlch(54.76, 29.76, 230.51°)
OKLaboklab(60.23% -0.0747 -0.0642)
OKLCHoklch(60.23% 0.099 220.7)
XYZxyz(17.8007, 22.6973, 41.4653)
Luminance0.2270 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288EAA #AA4428
analogous
#28AA85 #288EAA #284DAA
triadic
#288EAA #AA288E #8EAA28
tetradic
#288EAA #8528AA #AA4428 #4DAA28
square
#288EAA #8528AA #AA4428 #4DAA28
split-complementary
#288EAA #AA284D #AA8528
monochromatic
#113B47 #1C6578 #288EAA #3EB2D2 #6FC5DD

Accessibility & contrast

On white

3.79
#288EAA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.54
#288EAA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288EAA
5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288EAA#FFFFFF#000000##000000
##288EAA1.003.795.545.54
#FFFFFF3.791.0021.0021.00
#0000005.5421.001.001.00
##0000005.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D8AAB
Deuteranopia (green-blind)
#6C7EAA
Tritanopia (blue-blind)
#009797
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #288eaa;
/* rgb */ color: rgb(40, 142, 170);
/* oklch */ color: oklch(60.2% 0.099 220.7);
Tailwind
colors: {
  custom: {
    50: '#76afc3',
    500: '#288eaa',
    950: '#000000',
  },
}
SCSS
$custom: #288eaa;
$custom-light: #76afc3;
$custom-dark: #000000;
JSON
{
  "hex": "#288eaa",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 170
  },
  "hsl": {
    "h": 192.923,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.60229,
    "c": 0.09854,
    "h": 220.7
  },
  "luminance": 0.22699
}

Semantic roles & 50–950 ramp

primary
#288EAA
secondary
#C47D6A
accent
#6643E5
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #288EAA

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

Preview Lab → · Contrast checker → · Palette generator →

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