#63A9F7#63A9F7

#63A9F7 is a light, vivid cyan. Relative luminance 0.377; OKLCH L 72.2% C 0.135 H 252.5°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX#63A9F7
RGBrgb(99, 169, 247)
HSLhsl(212, 90%, 68%)
HSVhsv(212, 60%, 97%)
CMYKcmyk(59.9%, 31.6%, 0%, 3.1%)
CIE-LABlab(67.83, 0.82, -45.47)
CIE-LCHlch(67.83, 45.48, 271.03°)
OKLaboklab(72.21% -0.0406 -0.1284)
OKLCHoklch(72.21% 0.135 252.5)
XYZxyz(36.1160, 37.7407, 93.3591)
Luminance0.3774 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A9F7 #F7B163
analogous
#63F3F7 #63A9F7 #6763F7
triadic
#63A9F7 #F763A9 #A9F763
tetradic
#63A9F7 #F763F3 #F7B163 #63F767
square
#63A9F7 #F763F3 #F7B163 #63F767
split-complementary
#63A9F7 #F76763 #F3F763
monochromatic
#0B6AD5 #2989F4 #63A9F7 #9DC9FA #D7E9FD

Accessibility & contrast

On white

2.46
#63A9F7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.55
#63A9F7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A9F7
8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A9F7#FFFFFF#000000##000000
##63A9F71.002.468.558.55
#FFFFFF2.461.0021.0021.00
#0000008.5521.001.001.00
##0000008.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#88ADFA
Deuteranopia (green-blind)
#749FF5
Tritanopia (blue-blind)
#00BBC5
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #63a9f7;
/* rgb */ color: rgb(99, 169, 247);
/* oklch */ color: oklch(72.2% 0.135 252.5);
Tailwind
colors: {
  custom: {
    50: '#9bc2fa',
    500: '#63a9f7',
    950: '#000000',
  },
}
SCSS
$custom: #63a9f7;
$custom-light: #9bc2fa;
$custom-dark: #000000;
JSON
{
  "hex": "#63a9f7",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 247
  },
  "hsl": {
    "h": 211.622,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.7221,
    "c": 0.13469,
    "h": 252.5
  },
  "luminance": 0.37744
}

Semantic roles & 50–950 ramp

primary
#63A9F7
secondary
#F2DCC4
accent
#7900E6
background
#FAFBFF
surface
#F4F7FF
border
#CED0D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63A9F7

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

Preview Lab → · Contrast checker → · Palette generator →

#63A9F7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva