#51AED6#51AED6

#51AED6 is a light, moderate cyan. Relative luminance 0.369; OKLCH L 71.1% C 0.105 H 229.1°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX#51AED6
RGBrgb(81, 174, 214)
HSLhsl(198, 62%, 58%)
HSVhsv(198, 62%, 84%)
CMYKcmyk(62.1%, 18.7%, 0%, 16.1%)
CIE-LABlab(67.18, -15.62, -28.46)
CIE-LCHlch(67.18, 32.47, 241.23°)
OKLaboklab(71.06% -0.0689 -0.0795)
OKLCHoklch(71.06% 0.105 229.1)
XYZxyz(30.6622, 36.8734, 69.1066)
Luminance0.3688 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51AED6 #D67951
analogous
#51D6BB #51AED6 #516CD6
triadic
#51AED6 #D651AE #AED651
tetradic
#51AED6 #BB51D6 #D67951 #6CD651
square
#51AED6 #BB51D6 #D67951 #6CD651
split-complementary
#51AED6 #D6516C #D6BB51
monochromatic
#216C8C #2D92BD #51AED6 #83C5E2 #B4DCED

Accessibility & contrast

On white

2.51
#51AED6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.38
#51AED6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AED6
8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51AED6#FFFFFF#000000##000000
##51AED61.002.518.388.38
#FFFFFF2.511.0021.0021.00
#0000008.3821.001.001.00
##0000008.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#99ABD8
Deuteranopia (green-blind)
#879ED5
Tritanopia (blue-blind)
#00B9BB
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #51aed6;
/* rgb */ color: rgb(81, 174, 214);
/* oklch */ color: oklch(71.1% 0.105 229.1);
Tailwind
colors: {
  custom: {
    50: '#8ec6e2',
    500: '#51aed6',
    950: '#000000',
  },
}
SCSS
$custom: #51aed6;
$custom-light: #8ec6e2;
$custom-dark: #000000;
JSON
{
  "hex": "#51aed6",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 214
  },
  "hsl": {
    "h": 198.045,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.71055,
    "c": 0.1052,
    "h": 229.1
  },
  "luminance": 0.36876
}

Semantic roles & 50–950 ramp

primary
#51AED6
secondary
#DCB7A7
accent
#7443E5
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #51AED6

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

Preview Lab → · Contrast checker → · Palette generator →

#51AED6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva