#63D5E9#63D5E9

#63D5E9 is a light, moderate teal. Relative luminance 0.561; OKLCH L 81.4% C 0.107 H 210.7°. Best body text is #000000 at 12.22:1 contrast (WCAG AA passes).

Color values

HEX#63D5E9
RGBrgb(99, 213, 233)
HSLhsl(189, 75%, 65%)
HSVhsv(189, 58%, 91%)
CMYKcmyk(57.5%, 8.6%, 0%, 8.6%)
CIE-LABlab(79.68, -26.69, -19.62)
CIE-LCHlch(79.68, 33.12, 216.33°)
OKLaboklab(81.45% -0.0916 -0.0543)
OKLCHoklch(81.45% 0.107 210.7)
XYZxyz(43.6418, 56.1200, 85.6073)
Luminance0.5612 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63D5E9 #E97763
analogous
#63E9BA #63D5E9 #6392E9
triadic
#63D5E9 #E963D5 #D5E963
tetradic
#63D5E9 #BA63E9 #E97763 #92E963
square
#63D5E9 #BA63E9 #E97763 #92E963
split-complementary
#63D5E9 #E96392 #E9BA63
monochromatic
#1AA0B8 #2DC7E1 #63D5E9 #99E3F1 #CEF2F8

Accessibility & contrast

On white

1.72
#63D5E9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.22
#63D5E9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D5E9
12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63D5E9#FFFFFF#000000##000000
##63D5E91.001.7212.2212.22
#FFFFFF1.721.0021.0021.00
#00000012.2221.001.001.00
##00000012.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4CEEA
Deuteranopia (green-blind)
#B0BFE9
Tritanopia (blue-blind)
#00DEDB
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #63d5e9;
/* rgb */ color: rgb(99, 213, 233);
/* oklch */ color: oklch(81.4% 0.107 210.7);
Tailwind
colors: {
  custom: {
    50: '#9be2f0',
    500: '#63d5e9',
    950: '#000000',
  },
}
SCSS
$custom: #63d5e9;
$custom-light: #9be2f0;
$custom-dark: #000000;
JSON
{
  "hex": "#63d5e9",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 233
  },
  "hsl": {
    "h": 188.955,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.81448,
    "c": 0.10653,
    "h": 210.7
  },
  "luminance": 0.56124
}

Semantic roles & 50–950 ramp

primary
#63D5E9
secondary
#B74C39
accent
#2C0ED7
background
#FCFEFF
surface
#F6FCFE
border
#D0D5D6
text
#0F1516
muted
#808485

Preview Lab

Preview with #63D5E9

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

Preview Lab → · Contrast checker → · Palette generator →

#63D5E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva