#51B7BE#51B7BE

#51B7BE is a light, moderate teal. Relative luminance 0.393; OKLCH L 72.2% C 0.094 H 201.4°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX#51B7BE
RGBrgb(81, 183, 190)
HSLhsl(184, 46%, 53%)
HSVhsv(184, 57%, 75%)
CMYKcmyk(57.4%, 3.7%, 0%, 25.5%)
CIE-LABlab(68.99, -27.36, -12.49)
CIE-LCHlch(68.99, 30.08, 204.54°)
OKLaboklab(72.23% -0.0879 -0.0345)
OKLCHoklch(72.23% 0.094 201.4)
XYZxyz(29.6172, 39.3311, 54.7360)
Luminance0.3933 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B7BE #BE5851
analogous
#51BE8E #51B7BE #5180BE
triadic
#51B7BE #BE51B7 #B7BE51
tetradic
#51B7BE #8E51BE #BE5851 #80BE51
square
#51B7BE #8E51BE #BE5851 #80BE51
split-complementary
#51B7BE #BE5180 #BE8E51
monochromatic
#28686C #399399 #51B7BE #7EC9CF #AADCDF

Accessibility & contrast

On white

2.37
#51B7BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.87
#51B7BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B7BE
8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B7BE#FFFFFF#000000##000000
##51B7BE1.002.378.878.87
#FFFFFF2.371.0021.0021.00
#0000008.8721.001.001.00
##0000008.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABB0BF
Deuteranopia (green-blind)
#99A3BF
Tritanopia (blue-blind)
#00BDB9
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #51b7be;
/* rgb */ color: rgb(81, 183, 190);
/* oklch */ color: oklch(72.2% 0.094 201.4);
Tailwind
colors: {
  custom: {
    50: '#8dcdd1',
    500: '#51b7be',
    950: '#000000',
  },
}
SCSS
$custom: #51b7be;
$custom-light: #8dcdd1;
$custom-dark: #000000;
JSON
{
  "hex": "#51b7be",
  "rgb": {
    "r": 81,
    "g": 183,
    "b": 190
  },
  "hsl": {
    "h": 183.853,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.72228,
    "c": 0.09449,
    "h": 201.4
  },
  "luminance": 0.39334
}

Semantic roles & 50–950 ramp

primary
#51B7BE
secondary
#CDA19E
accent
#5B53D5
background
#F9FCFC
surface
#F1F9F9
border
#CBD2D2
text
#0D1314
muted
#7E8282

Preview Lab

Preview with #51B7BE

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

Preview Lab → · Contrast checker → · Palette generator →

#51B7BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva