#51C7DC#51C7DC

#51C7DC is a light, moderate teal. Relative luminance 0.478; OKLCH L 77.1% C 0.108 H 211.3°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX#51C7DC
RGBrgb(81, 199, 220)
HSLhsl(189, 67%, 59%)
HSVhsv(189, 63%, 86%)
CMYKcmyk(63.2%, 9.5%, 0%, 13.7%)
CIE-LABlab(74.67, -26.64, -20.28)
CIE-LCHlch(74.67, 33.48, 217.28°)
OKLaboklab(77.13% -0.0926 -0.0563)
OKLCHoklch(77.13% 0.108 211.3)
XYZxyz(36.7297, 47.7596, 74.9791)
Luminance0.4776 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C7DC #DC6651
analogous
#51DCAC #51C7DC #5182DC
triadic
#51C7DC #DC51C7 #C7DC51
tetradic
#51C7DC #AC51DC #DC6651 #82DC51
square
#51C7DC #AC51DC #DC6651 #82DC51
split-complementary
#51C7DC #DC5182 #DCAC51
monochromatic
#1E8395 #28B0C8 #51C7DC #84D7E6 #B7E8F0

Accessibility & contrast

On white

1.99
#51C7DC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.55
#51C7DC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C7DC
10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C7DC#FFFFFF#000000##000000
##51C7DC1.001.9910.5510.55
#FFFFFF1.991.0021.0021.00
#00000010.5521.001.001.00
##00000010.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6C0DD
Deuteranopia (green-blind)
#A1B1DC
Tritanopia (blue-blind)
#00D0CD
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #51c7dc;
/* rgb */ color: rgb(81, 199, 220);
/* oklch */ color: oklch(77.1% 0.108 211.3);
Tailwind
colors: {
  custom: {
    50: '#91d8e6',
    500: '#51c7dc',
    950: '#000000',
  },
}
SCSS
$custom: #51c7dc;
$custom-light: #91d8e6;
$custom-dark: #000000;
JSON
{
  "hex": "#51c7dc",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 220
  },
  "hsl": {
    "h": 189.065,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.77127,
    "c": 0.10834,
    "h": 211.3
  },
  "luminance": 0.47763
}

Semantic roles & 50–950 ramp

primary
#51C7DC
secondary
#E0B1A9
accent
#583EE9
background
#F9FDFE
surface
#F2FAFC
border
#CCD3D5
text
#0E1416
muted
#7E8384

Preview Lab

Preview with #51C7DC

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

Preview Lab → · Contrast checker → · Palette generator →

#51C7DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva