#63B2DF#63B2DF

#63B2DF is a light, moderate cyan. Relative luminance 0.398; OKLCH L 73.1% C 0.102 H 235.5°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX#63B2DF
RGBrgb(99, 178, 223)
HSLhsl(202, 66%, 63%)
HSVhsv(202, 56%, 87%)
CMYKcmyk(55.6%, 20.2%, 0%, 12.5%)
CIE-LABlab(69.34, -11.59, -30.02)
CIE-LCHlch(69.34, 32.18, 248.89°)
OKLaboklab(73.07% -0.0577 -0.0838)
OKLCHoklch(73.07% 0.102 235.5)
XYZxyz(34.3803, 39.8181, 75.6716)
Luminance0.3982 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B2DF #DF9063
analogous
#63DFCE #63B2DF #6374DF
triadic
#63B2DF #DF63B2 #B2DF63
tetradic
#63B2DF #CE63DF #DF9063 #74DF63
square
#63B2DF #CE63DF #DF9063 #74DF63
split-complementary
#63B2DF #DF6374 #DFCE63
monochromatic
#2276A6 #3099D5 #63B2DF #96CBE9 #C9E4F4

Accessibility & contrast

On white

2.34
#63B2DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.96
#63B2DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2DF
8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B2DF#FFFFFF#000000##000000
##63B2DF1.002.348.968.96
#FFFFFF2.341.0021.0021.00
#0000008.9621.001.001.00
##0000008.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DB1E1
Deuteranopia (green-blind)
#8CA4DE
Tritanopia (blue-blind)
#00BEC1
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #63b2df;
/* rgb */ color: rgb(99, 178, 223);
/* oklch */ color: oklch(73.1% 0.102 235.5);
Tailwind
colors: {
  custom: {
    50: '#98c9e9',
    500: '#63b2df',
    950: '#000000',
  },
}
SCSS
$custom: #63b2df;
$custom-light: #98c9e9;
$custom-dark: #000000;
JSON
{
  "hex": "#63b2df",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 223
  },
  "hsl": {
    "h": 201.774,
    "s": 65.957,
    "l": 63.137
  },
  "oklch": {
    "l": 0.7307,
    "c": 0.1017,
    "h": 235.5
  },
  "luminance": 0.39821
}

Semantic roles & 50–950 ramp

primary
#63B2DF
secondary
#E5C9B9
accent
#5A18CE
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #63B2DF

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

Preview Lab → · Contrast checker → · Palette generator →

#63B2DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva