#2566AE#2566AE

#2566AE is a mid, vivid cyan. Relative luminance 0.130; OKLCH L 50.7% C 0.132 H 253.8°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX#2566AE
RGBrgb(37, 102, 174)
HSLhsl(212, 65%, 41%)
HSVhsv(212, 79%, 68%)
CMYKcmyk(78.7%, 41.4%, 0%, 31.8%)
CIE-LABlab(42.69, 5.64, -44.22)
CIE-LCHlch(42.69, 44.58, 277.27°)
OKLaboklab(50.71% -0.0368 -0.1264)
OKLCHoklch(50.71% 0.132 253.8)
XYZxyz(13.1514, 12.9505, 41.8428)
Luminance0.1295 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2566AE #AE6D25
analogous
#25ABAE #2566AE #2925AE
triadic
#2566AE #AE2566 #66AE25
tetradic
#2566AE #AE25AB #AE6D25 #25AE29
square
#2566AE #AE25AB #AE6D25 #25AE29
split-complementary
#2566AE #AE2925 #ABAE25
monochromatic
#102B49 #1A487C #2566AE #3B84D5 #6DA4E0

Accessibility & contrast

On white

5.85
#2566AE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.59
#2566AE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2566AE
5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2566AE#FFFFFF#000000##FFFFFF
##2566AE1.005.853.595.85
#FFFFFF5.851.0021.001.00
#0000003.5921.001.0021.00
##FFFFFF5.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#436CB1
Deuteranopia (green-blind)
#2B5FAD
Tritanopia (blue-blind)
#007781
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #2566ae;
/* rgb */ color: rgb(37, 102, 174);
/* oklch */ color: oklch(50.7% 0.132 253.8);
Tailwind
colors: {
  custom: {
    50: '#7491c6',
    500: '#2566ae',
    950: '#000000',
  },
}
SCSS
$custom: #2566ae;
$custom-light: #7491c6;
$custom-dark: #000000;
JSON
{
  "hex": "#2566ae",
  "rgb": {
    "r": 37,
    "g": 102,
    "b": 174
  },
  "hsl": {
    "h": 211.533,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50707,
    "c": 0.13169,
    "h": 253.8
  },
  "luminance": 0.12952
}

Semantic roles & 50–950 ramp

primary
#2566AE
secondary
#C69A68
accent
#9840E8
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#0A0C13
muted
#7C7D82

Preview Lab

Preview with #2566AE

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

Preview Lab → · Contrast checker → · Palette generator →

#2566AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva