#63B7E6#63B7E6

#63B7E6 is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.5% C 0.106 H 235.2°. Best body text is #000000 at 9.45:1 contrast (WCAG AA passes).

Color values

HEX#63B7E6
RGBrgb(99, 183, 230)
HSLhsl(202, 72%, 65%)
HSVhsv(202, 57%, 90%)
CMYKcmyk(57%, 20.4%, 0%, 9.8%)
CIE-LABlab(71.03, -12.17, -31.23)
CIE-LCHlch(71.03, 33.52, 248.71°)
OKLaboklab(74.5% -0.0607 -0.0872)
OKLCHoklch(74.5% 0.106 235.2)
XYZxyz(36.3566, 42.2295, 81.0827)
Luminance0.4223 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B7E6 #E69263
analogous
#63E6D4 #63B7E6 #6375E6
triadic
#63B7E6 #E663B7 #B7E663
tetradic
#63B7E6 #D463E6 #E69263 #75E663
square
#63B7E6 #D463E6 #E69263 #75E663
split-complementary
#63B7E6 #E66375 #E6D463
monochromatic
#1D7CB2 #2E9FDE #63B7E6 #98CFEE #CCE8F7

Accessibility & contrast

On white

2.22
#63B7E6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.45
#63B7E6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B7E6
9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B7E6#FFFFFF#000000##000000
##63B7E61.002.229.459.45
#FFFFFF2.221.0021.0021.00
#0000009.4521.001.001.00
##0000009.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1B6E8
Deuteranopia (green-blind)
#8FA8E5
Tritanopia (blue-blind)
#00C3C7
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #63b7e6;
/* rgb */ color: rgb(99, 183, 230);
/* oklch */ color: oklch(74.5% 0.106 235.2);
Tailwind
colors: {
  custom: {
    50: '#99ccee',
    500: '#63b7e6',
    950: '#000000',
  },
}
SCSS
$custom: #63b7e6;
$custom-light: #99ccee;
$custom-dark: #000000;
JSON
{
  "hex": "#63b7e6",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 230
  },
  "hsl": {
    "h": 201.527,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.745,
    "c": 0.10628,
    "h": 235.2
  },
  "luminance": 0.42233
}

Semantic roles & 50–950 ramp

primary
#63B7E6
secondary
#E9CCBC
accent
#5711D4
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1316
muted
#7E8284

Preview Lab

Preview with #63B7E6

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

Preview Lab → · Contrast checker → · Palette generator →

#63B7E6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva