#51B7BF#51B7BF

#51B7BF is a light, moderate teal. Relative luminance 0.394; OKLCH L 72.3% C 0.095 H 202.3°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX#51B7BF
RGBrgb(81, 183, 191)
HSLhsl(184, 46%, 53%)
HSVhsv(184, 58%, 75%)
CMYKcmyk(57.6%, 4.2%, 0%, 25.1%)
CIE-LABlab(69.02, -27.08, -12.99)
CIE-LCHlch(69.02, 30.03, 205.63°)
OKLaboklab(72.26% -0.0875 -0.0359)
OKLCHoklch(72.26% 0.095 202.3)
XYZxyz(29.7269, 39.3749, 55.3136)
Luminance0.3938 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B7BF #BF5951
analogous
#51BF90 #51B7BF #5180BF
triadic
#51B7BF #BF51B7 #B7BF51
tetradic
#51B7BF #9051BF #BF5951 #80BF51
square
#51B7BF #9051BF #BF5951 #80BF51
split-complementary
#51B7BF #BF5180 #BF9051
monochromatic
#28686D #39939A #51B7BF #7ECACF #AADCE0

Accessibility & contrast

On white

2.37
#51B7BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.88
#51B7BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B7BF
8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B7BF#FFFFFF#000000##000000
##51B7BF1.002.378.888.88
#FFFFFF2.371.0021.0021.00
#0000008.8821.001.001.00
##0000008.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAB0C0
Deuteranopia (green-blind)
#99A3C0
Tritanopia (blue-blind)
#00BDB9
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #51b7bf;
/* rgb */ color: rgb(81, 183, 191);
/* oklch */ color: oklch(72.3% 0.095 202.3);
Tailwind
colors: {
  custom: {
    50: '#8dcdd2',
    500: '#51b7bf',
    950: '#000000',
  },
}
SCSS
$custom: #51b7bf;
$custom-light: #8dcdd2;
$custom-dark: #000000;
JSON
{
  "hex": "#51b7bf",
  "rgb": {
    "r": 81,
    "g": 183,
    "b": 191
  },
  "hsl": {
    "h": 184.364,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72264,
    "c": 0.09462,
    "h": 202.3
  },
  "luminance": 0.39378
}

Semantic roles & 50–950 ramp

primary
#51B7BF
secondary
#CEA29E
accent
#5C52D6
background
#F9FCFC
surface
#F1F9F9
border
#CBD2D2
text
#0D1314
muted
#7E8282

Preview Lab

Preview with #51B7BF

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

Preview Lab → · Contrast checker → · Palette generator →

#51B7BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva