#51D2E3#51D2E3

#51D2E3 is a light, moderate teal. Relative luminance 0.534; OKLCH L 80.0% C 0.114 H 207.4°. Best body text is #000000 at 11.68:1 contrast (WCAG AA passes).

Color values

HEX#51D2E3
RGBrgb(81, 210, 227)
HSLhsl(187, 72%, 60%)
HSVhsv(187, 64%, 89%)
CMYKcmyk(64.3%, 7.5%, 0%, 11%)
CIE-LABlab(78.10, -29.98, -18.86)
CIE-LCHlch(78.10, 35.42, 212.16°)
OKLaboklab(79.96% -0.1009 -0.0523)
OKLCHoklch(79.96% 0.114 207.4)
XYZxyz(40.2992, 53.3842, 80.8385)
Luminance0.5339 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D2E3 #E36251
analogous
#51E3AB #51D2E3 #5189E3
triadic
#51D2E3 #E351D2 #D2E351
tetradic
#51D2E3 #AB51E3 #E36251 #89E351
square
#51D2E3 #AB51E3 #E36251 #89E351
split-complementary
#51D2E3 #E35189 #E3AB51
monochromatic
#1A90A0 #22C0D5 #51D2E3 #86E0EB #BAEDF4

Accessibility & contrast

On white

1.80
#51D2E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.68
#51D2E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2E3
11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D2E3#FFFFFF#000000##000000
##51D2E31.001.8011.6811.68
#FFFFFF1.801.0021.0021.00
#00000011.6821.001.001.00
##00000011.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1CAE4
Deuteranopia (green-blind)
#ABBAE3
Tritanopia (blue-blind)
#00DBD7
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #51d2e3;
/* rgb */ color: rgb(81, 210, 227);
/* oklch */ color: oklch(80.0% 0.114 207.4);
Tailwind
colors: {
  custom: {
    50: '#92e0eb',
    500: '#51d2e3',
    950: '#000000',
  },
}
SCSS
$custom: #51d2e3;
$custom-light: #92e0eb;
$custom-dark: #000000;
JSON
{
  "hex": "#51d2e3",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 227
  },
  "hsl": {
    "h": 186.986,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.79964,
    "c": 0.11369,
    "h": 207.4
  },
  "luminance": 0.53389
}

Semantic roles & 50–950 ramp

primary
#51D2E3
secondary
#A34235
accent
#2811D4
background
#FCFEFE
surface
#F5FCFD
border
#CFD5D5
text
#0E1516
muted
#7F8484

Preview Lab

Preview with #51D2E3

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

Preview Lab → · Contrast checker → · Palette generator →

#51D2E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva