#51AECD#51AECD

#51AECD is a light, moderate cyan. Relative luminance 0.364; OKLCH L 70.7% C 0.098 H 222.8°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX#51AECD
RGBrgb(81, 174, 205)
HSLhsl(195, 55%, 56%)
HSVhsv(195, 60%, 80%)
CMYKcmyk(60.5%, 15.1%, 0%, 19.6%)
CIE-LABlab(66.84, -18.39, -24.02)
CIE-LCHlch(66.84, 30.25, 232.56°)
OKLaboklab(70.67% -0.0722 -0.0669)
OKLCHoklch(70.67% 0.098 222.8)
XYZxyz(29.5445, 36.4263, 63.2197)
Luminance0.3643 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51AECD #CD7051
analogous
#51CDAE #51AECD #5170CD
triadic
#51AECD #CD51AE #AECD51
tetradic
#51AECD #AE51CD #CD7051 #70CD51
square
#51AECD #AE51CD #CD7051 #70CD51
split-complementary
#51AECD #CD5170 #CDAE51
monochromatic
#25687F #3290AF #51AECD #81C4DB #B0DAE8

Accessibility & contrast

On white

2.53
#51AECD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.29
#51AECD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AECD
8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51AECD#FFFFFF#000000##000000
##51AECD1.002.538.298.29
#FFFFFF2.531.0021.0021.00
#0000008.2921.001.001.00
##0000008.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CAACF
Deuteranopia (green-blind)
#8A9DCD
Tritanopia (blue-blind)
#00B8B8
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #51aecd;
/* rgb */ color: rgb(81, 174, 205);
/* oklch */ color: oklch(70.7% 0.098 222.8);
Tailwind
colors: {
  custom: {
    50: '#8dc6dc',
    500: '#51aecd',
    950: '#000000',
  },
}
SCSS
$custom: #51aecd;
$custom-light: #8dc6dc;
$custom-dark: #000000;
JSON
{
  "hex": "#51aecd",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 205
  },
  "hsl": {
    "h": 195,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.70674,
    "c": 0.09841,
    "h": 222.8
  },
  "luminance": 0.36429
}

Semantic roles & 50–950 ramp

primary
#51AECD
secondary
#D7B0A3
accent
#6F49DF
background
#F9FCFD
surface
#F1F8FB
border
#CBD1D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #51AECD

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

Preview Lab → · Contrast checker → · Palette generator →

#51AECD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva