#51CAE6#51CAE6

#51CAE6 is a light, moderate cyan. Relative luminance 0.497; OKLCH L 78.2% C 0.113 H 215.9°. Best body text is #000000 at 10.94:1 contrast (WCAG AA passes).

Color values

HEX#51CAE6
RGBrgb(81, 202, 230)
HSLhsl(191, 75%, 61%)
HSVhsv(191, 65%, 90%)
CMYKcmyk(64.8%, 12.2%, 0%, 9.8%)
CIE-LABlab(75.88, -25.17, -23.83)
CIE-LCHlch(75.88, 34.67, 223.43°)
OKLaboklab(78.21% -0.0917 -0.0663)
OKLCHoklch(78.21% 0.113 215.9)
XYZxyz(38.7909, 49.6994, 82.3962)
Luminance0.4970 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CAE6 #E66D51
analogous
#51E6B7 #51CAE6 #517FE6
triadic
#51CAE6 #E651CA #CAE651
tetradic
#51CAE6 #B751E6 #E66D51 #7FE651
square
#51CAE6 #B751E6 #E66D51 #7FE651
split-complementary
#51CAE6 #E6517F #E6B751
monochromatic
#188AA5 #1FB7DA #51CAE6 #87DAEE #BCEBF5

Accessibility & contrast

On white

1.92
#51CAE6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.94
#51CAE6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CAE6
10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CAE6#FFFFFF#000000##000000
##51CAE61.001.9210.9410.94
#FFFFFF1.921.0021.0021.00
#00000010.9421.001.001.00
##00000010.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7C4E8
Deuteranopia (green-blind)
#A1B4E6
Tritanopia (blue-blind)
#00D4D3
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #51cae6;
/* rgb */ color: rgb(81, 202, 230);
/* oklch */ color: oklch(78.2% 0.113 215.9);
Tailwind
colors: {
  custom: {
    50: '#92daee',
    500: '#51cae6',
    950: '#000000',
  },
}
SCSS
$custom: #51cae6;
$custom-light: #92daee;
$custom-dark: #000000;
JSON
{
  "hex": "#51cae6",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 230
  },
  "hsl": {
    "h": 191.275,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.78214,
    "c": 0.11316,
    "h": 215.9
  },
  "luminance": 0.49704
}

Semantic roles & 50–950 ramp

primary
#51CAE6
secondary
#E5B8AD
accent
#340ED7
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0E1516
muted
#7E8384

Preview Lab

Preview with #51CAE6

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

Preview Lab → · Contrast checker → · Palette generator →

#51CAE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva