#51A3AF#51A3AF

#51A3AF is a light, moderate teal. Relative luminance 0.310; OKLCH L 66.9% C 0.082 H 208.0°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX#51A3AF
RGBrgb(81, 163, 175)
HSLhsl(188, 37%, 50%)
HSVhsv(188, 54%, 69%)
CMYKcmyk(53.7%, 6.9%, 0%, 31.4%)
CIE-LABlab(62.54, -21.51, -13.85)
CIE-LCHlch(62.54, 25.59, 212.78°)
OKLaboklab(66.88% -0.072 -0.0383)
OKLCHoklch(66.88% 0.082 208)
XYZxyz(24.2253, 31.0366, 45.2632)
Luminance0.3104 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51A3AF #AF5D51
analogous
#51AF8C #51A3AF #5174AF
triadic
#51A3AF #AF51A3 #A3AF51
tetradic
#51A3AF #8C51AF #AF5D51 #74AF51
square
#51A3AF #8C51AF #AF5D51 #74AF51
split-complementary
#51A3AF #AF5174 #AF8C51
monochromatic
#2A555C #3D7C85 #51A3AF #7BB9C2 #A5CFD6

Accessibility & contrast

On white

2.91
#51A3AF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.21
#51A3AF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A3AF
7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51A3AF#FFFFFF#000000##000000
##51A3AF1.002.917.217.21
#FFFFFF2.911.0021.0021.00
#0000007.2121.001.001.00
##0000007.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#979EB0
Deuteranopia (green-blind)
#8893AF
Tritanopia (blue-blind)
#00A9A7
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #51a3af;
/* rgb */ color: rgb(81, 163, 175);
/* oklch */ color: oklch(66.9% 0.082 208.0);
Tailwind
colors: {
  custom: {
    50: '#8abec6',
    500: '#51a3af',
    950: '#000000',
  },
}
SCSS
$custom: #51a3af;
$custom-light: #8abec6;
$custom-dark: #000000;
JSON
{
  "hex": "#51a3af",
  "rgb": {
    "r": 81,
    "g": 163,
    "b": 175
  },
  "hsl": {
    "h": 187.66,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.66877,
    "c": 0.08153,
    "h": 208
  },
  "luminance": 0.31039
}

Semantic roles & 50–950 ramp

primary
#51A3AF
secondary
#C39E99
accent
#695BCD
background
#F8FBFC
surface
#F0F7F8
border
#CBD0D1
text
#0C1213
muted
#7D8182

Preview Lab

Preview with #51A3AF

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

Preview Lab → · Contrast checker → · Palette generator →

#51A3AF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva