#288CAA#288CAA

#288CAA is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.7% C 0.099 H 222.6°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX#288CAA
RGBrgb(40, 140, 170)
HSLhsl(194, 62%, 41%)
HSVhsv(194, 76%, 67%)
CMYKcmyk(76.5%, 17.6%, 0%, 33.3%)
CIE-LABlab(54.14, -17.85, -23.92)
CIE-LCHlch(54.14, 29.85, 233.27°)
OKLaboklab(59.73% -0.0727 -0.067)
OKLCHoklch(59.73% 0.099 222.6)
XYZxyz(17.5058, 22.1075, 41.3670)
Luminance0.2211 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288CAA #AA4628
analogous
#28AA87 #288CAA #284BAA
triadic
#288CAA #AA288C #8CAA28
tetradic
#288CAA #8728AA #AA4628 #4BAA28
square
#288CAA #8728AA #AA4628 #4BAA28
split-complementary
#288CAA #AA284B #AA8728
monochromatic
#113A47 #1C6378 #288CAA #3EAFD2 #6FC4DD

Accessibility & contrast

On white

3.87
#288CAA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.42
#288CAA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288CAA
5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288CAA#FFFFFF#000000##000000
##288CAA1.003.875.425.42
#FFFFFF3.871.0021.0021.00
#0000005.4221.001.001.00
##0000005.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B89AC
Deuteranopia (green-blind)
#697CAA
Tritanopia (blue-blind)
#009596
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #288caa;
/* rgb */ color: rgb(40, 140, 170);
/* oklch */ color: oklch(59.7% 0.099 222.6);
Tailwind
colors: {
  custom: {
    50: '#76adc3',
    500: '#288caa',
    950: '#000000',
  },
}
SCSS
$custom: #288caa;
$custom-light: #76adc3;
$custom-dark: #000000;
JSON
{
  "hex": "#288caa",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 170
  },
  "hsl": {
    "h": 193.846,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.59733,
    "c": 0.09887,
    "h": 222.6
  },
  "luminance": 0.2211
}

Semantic roles & 50–950 ramp

primary
#288CAA
secondary
#C47F6A
accent
#6843E5
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #288CAA

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

Preview Lab → · Contrast checker → · Palette generator →

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