#63B7F6#63B7F6

#63B7F6 is a light, vivid cyan. Relative luminance 0.432; OKLCH L 75.2% C 0.123 H 243.1°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX#63B7F6
RGBrgb(99, 183, 246)
HSLhsl(206, 89%, 68%)
HSVhsv(206, 60%, 96%)
CMYKcmyk(59.8%, 25.6%, 0%, 3.5%)
CIE-LABlab(71.67, -7.27, -38.92)
CIE-LCHlch(71.67, 39.59, 259.41°)
OKLaboklab(75.22% -0.0555 -0.1093)
OKLCHoklch(75.22% 0.123 243.1)
XYZxyz(38.7074, 43.1698, 93.4637)
Luminance0.4317 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B7F6 #F6A263
analogous
#63F6EB #63B7F6 #636EF6
triadic
#63B7F6 #F663B7 #B7F663
tetradic
#63B7F6 #EB63F6 #F6A263 #6EF663
square
#63B7F6 #EB63F6 #F6A263 #6EF663
split-complementary
#63B7F6 #F6636E #F6EB63
monochromatic
#0C7DD2 #299CF3 #63B7F6 #9DD2F9 #D7ECFD

Accessibility & contrast

On white

2.18
#63B7F6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.63
#63B7F6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B7F6
9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B7F6#FFFFFF#000000##000000
##63B7F61.002.189.639.63
#FFFFFF2.181.0021.0021.00
#0000009.6321.001.001.00
##0000009.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#9BB8F9
Deuteranopia (green-blind)
#87A9F5
Tritanopia (blue-blind)
#00C6CD
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #63b7f6;
/* rgb */ color: rgb(99, 183, 246);
/* oklch */ color: oklch(75.2% 0.123 243.1);
Tailwind
colors: {
  custom: {
    50: '#9bccf9',
    500: '#63b7f6',
    950: '#000000',
  },
}
SCSS
$custom: #63b7f6;
$custom-light: #9bccf9;
$custom-dark: #000000;
JSON
{
  "hex": "#63b7f6",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 246
  },
  "hsl": {
    "h": 205.714,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.75219,
    "c": 0.1226,
    "h": 243.1
  },
  "luminance": 0.43173
}

Semantic roles & 50–950 ramp

primary
#63B7F6
secondary
#F1D7C4
accent
#6200E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #63B7F6

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

Preview Lab → · Contrast checker → · Palette generator →

#63B7F6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva