#51D7EC#51D7EC

#51D7EC is a light, moderate teal. Relative luminance 0.564; OKLCH L 81.5% C 0.118 H 209.7°. Best body text is #000000 at 12.28:1 contrast (WCAG AA passes).

Color values

HEX#51D7EC
RGBrgb(81, 215, 236)
HSLhsl(188, 80%, 62%)
HSVhsv(188, 66%, 93%)
CMYKcmyk(65.7%, 8.9%, 0%, 7.5%)
CIE-LABlab(79.84, -29.79, -21.03)
CIE-LCHlch(79.84, 36.46, 215.22°)
OKLaboklab(81.46% -0.1023 -0.0584)
OKLCHoklch(81.46% 0.118 209.7)
XYZxyz(42.8277, 56.4016, 87.9701)
Luminance0.5641 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D7EC #EC6651
analogous
#51ECB4 #51D7EC #518AEC
triadic
#51D7EC #EC51D7 #D7EC51
tetradic
#51D7EC #B451EC #EC6651 #8AEC51
square
#51D7EC #B451EC #EC6651 #8AEC51
split-complementary
#51D7EC #EC518A #ECB451
monochromatic
#139AAF #1ACAE6 #51D7EC #88E4F2 #BFF0F8

Accessibility & contrast

On white

1.71
#51D7EC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.28
#51D7EC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7EC
12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D7EC#FFFFFF#000000##000000
##51D7EC1.001.7112.2812.28
#FFFFFF1.711.0021.0021.00
#00000012.2821.001.001.00
##00000012.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#C5CFED
Deuteranopia (green-blind)
#AEBFEC
Tritanopia (blue-blind)
#00E1DD
Achromatopsia (no color)
#C6C6C6

Design tokens & code

CSS
--color: #51d7ec;
/* rgb */ color: rgb(81, 215, 236);
/* oklch */ color: oklch(81.5% 0.118 209.7);
Tailwind
colors: {
  custom: {
    50: '#93e3f2',
    500: '#51d7ec',
    950: '#000000',
  },
}
SCSS
$custom: #51d7ec;
$custom-light: #93e3f2;
$custom-dark: #000000;
JSON
{
  "hex": "#51d7ec",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 236
  },
  "hsl": {
    "h": 188.129,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.81464,
    "c": 0.11784,
    "h": 209.7
  },
  "luminance": 0.56406
}

Semantic roles & 50–950 ramp

primary
#51D7EC
secondary
#B04231
accent
#2609DD
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0F1516
muted
#808485

Preview Lab

Preview with #51D7EC

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

Preview Lab → · Contrast checker → · Palette generator →

#51D7EC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva