#51D7E3#51D7E3

#51D7E3 is a light, moderate teal. Relative luminance 0.559; OKLCH L 81.1% C 0.116 H 203.6°. Best body text is #000000 at 12.18:1 contrast (WCAG AA passes).

Color values

HEX#51D7E3
RGBrgb(81, 215, 227)
HSLhsl(185, 72%, 60%)
HSVhsv(185, 64%, 89%)
CMYKcmyk(64.3%, 5.3%, 0%, 11%)
CIE-LABlab(79.55, -32.38, -16.67)
CIE-LCHlch(79.55, 36.42, 207.23°)
OKLaboklab(81.13% -0.106 -0.0462)
OKLCHoklch(81.13% 0.116 203.6)
XYZxyz(41.5529, 55.8917, 81.2564)
Luminance0.5590 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D7E3 #E35D51
analogous
#51E3A6 #51D7E3 #518EE3
triadic
#51D7E3 #E351D7 #D7E351
tetradic
#51D7E3 #A651E3 #E35D51 #8EE351
square
#51D7E3 #A651E3 #E35D51 #8EE351
split-complementary
#51D7E3 #E3518E #E3A651
monochromatic
#1A95A0 #22C6D5 #51D7E3 #86E3EB #BAEFF4

Accessibility & contrast

On white

1.72
#51D7E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.18
#51D7E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7E3
12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D7E3#FFFFFF#000000##000000
##51D7E31.001.7212.1812.18
#FFFFFF1.721.0021.0021.00
#00000012.1821.001.001.00
##00000012.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#C7CEE4
Deuteranopia (green-blind)
#B1BEE4
Tritanopia (blue-blind)
#00DFDA
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #51d7e3;
/* rgb */ color: rgb(81, 215, 227);
/* oklch */ color: oklch(81.1% 0.116 203.6);
Tailwind
colors: {
  custom: {
    50: '#93e3eb',
    500: '#51d7e3',
    950: '#000000',
  },
}
SCSS
$custom: #51d7e3;
$custom-light: #93e3eb;
$custom-dark: #000000;
JSON
{
  "hex": "#51d7e3",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 227
  },
  "hsl": {
    "h": 184.932,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81134,
    "c": 0.11559,
    "h": 203.6
  },
  "luminance": 0.55896
}

Semantic roles & 50–950 ramp

primary
#51D7E3
secondary
#A33E35
accent
#2111D4
background
#FCFEFE
surface
#F5FCFD
border
#CFD5D5
text
#0E1516
muted
#7F8484

Preview Lab

Preview with #51D7E3

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

Preview Lab → · Contrast checker → · Palette generator →

#51D7E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva