#51AFCE#51AFCE

#51AFCE is a light, moderate cyan. Relative luminance 0.369; OKLCH L 70.9% C 0.099 H 222.6°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX#51AFCE
RGBrgb(81, 175, 206)
HSLhsl(195, 56%, 56%)
HSVhsv(195, 61%, 81%)
CMYKcmyk(60.7%, 15%, 0%, 19.2%)
CIE-LABlab(67.17, -18.61, -24.06)
CIE-LCHlch(67.17, 30.42, 232.29°)
OKLaboklab(70.95% -0.0729 -0.067)
OKLCHoklch(70.95% 0.099 222.6)
XYZxyz(29.8595, 36.8625, 63.9221)
Luminance0.3687 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51AFCE #CE7051
analogous
#51CEAF #51AFCE #5171CE
triadic
#51AFCE #CE51AF #AFCE51
tetradic
#51AFCE #AF51CE #CE7051 #71CE51
square
#51AFCE #AF51CE #CE7051 #71CE51
split-complementary
#51AFCE #CE5171 #CEAF51
monochromatic
#246A80 #3291B0 #51AFCE #81C5DB #B1DBE9

Accessibility & contrast

On white

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

On black

8.37
#51AFCE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AFCE
8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51AFCE#FFFFFF#000000##000000
##51AFCE1.002.518.378.37
#FFFFFF2.511.0021.0021.00
#0000008.3721.001.001.00
##0000008.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DABD0
Deuteranopia (green-blind)
#8B9ECE
Tritanopia (blue-blind)
#00B9B9
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #51afce;
/* rgb */ color: rgb(81, 175, 206);
/* oklch */ color: oklch(70.9% 0.099 222.6);
Tailwind
colors: {
  custom: {
    50: '#8dc7dd',
    500: '#51afce',
    950: '#000000',
  },
}
SCSS
$custom: #51afce;
$custom-light: #8dc7dd;
$custom-dark: #000000;
JSON
{
  "hex": "#51afce",
  "rgb": {
    "r": 81,
    "g": 175,
    "b": 206
  },
  "hsl": {
    "h": 194.88,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.70949,
    "c": 0.09901,
    "h": 222.6
  },
  "luminance": 0.36866
}

Semantic roles & 50–950 ramp

primary
#51AFCE
secondary
#D7B0A4
accent
#6E48DF
background
#F9FCFD
surface
#F1F8FB
border
#CBD1D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #51AFCE

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

Preview Lab → · Contrast checker → · Palette generator →

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