#57DDE9#57DDE9

#57DDE9 is a very light, moderate teal. Relative luminance 0.596; OKLCH L 82.9% C 0.116 H 203.5°. Best body text is #000000 at 12.92:1 contrast (WCAG AA passes).

Color values

HEX#57DDE9
RGBrgb(87, 221, 233)
HSLhsl(185, 77%, 63%)
HSVhsv(185, 63%, 91%)
CMYKcmyk(62.7%, 5.2%, 0%, 8.6%)
CIE-LABlab(81.63, -32.60, -16.72)
CIE-LCHlch(81.63, 36.64, 207.15°)
OKLaboklab(82.92% -0.1065 -0.0463)
OKLCHoklch(82.92% 0.116 203.5)
XYZxyz(44.4886, 59.6175, 86.2377)
Luminance0.5962 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57DDE9 #E96357
analogous
#57E9AC #57DDE9 #5794E9
triadic
#57DDE9 #E957DD #DDE957
tetradic
#57DDE9 #AC57E9 #E96357 #94E957
square
#57DDE9 #AC57E9 #E96357 #94E957
split-complementary
#57DDE9 #E95794 #E9AC57
monochromatic
#17A2AF #21D2E2 #57DDE9 #8DE8F0 #C3F3F7

Accessibility & contrast

On white

1.62
#57DDE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.92
#57DDE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57DDE9
12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57DDE9#FFFFFF#000000##000000
##57DDE91.001.6212.9212.92
#FFFFFF1.621.0021.0021.00
#00000012.9221.001.001.00
##00000012.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#CDD4EA
Deuteranopia (green-blind)
#B7C4EA
Tritanopia (blue-blind)
#00E5E0
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #57dde9;
/* rgb */ color: rgb(87, 221, 233);
/* oklch */ color: oklch(82.9% 0.116 203.5);
Tailwind
colors: {
  custom: {
    50: '#96e8f0',
    500: '#57dde9',
    950: '#000000',
  },
}
SCSS
$custom: #57dde9;
$custom-light: #96e8f0;
$custom-dark: #000000;
JSON
{
  "hex": "#57dde9",
  "rgb": {
    "r": 87,
    "g": 221,
    "b": 233
  },
  "hsl": {
    "h": 184.932,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.82918,
    "c": 0.11618,
    "h": 203.5
  },
  "luminance": 0.59622
}

Semantic roles & 50–950 ramp

primary
#57DDE9
secondary
#AF3F35
accent
#1D0CD9
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0F1616
muted
#808485

Preview Lab

Preview with #57DDE9

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

Preview Lab → · Contrast checker → · Palette generator →

#57DDE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva