#63A5F5#63A5F5

#63A5F5 is a light, vivid cyan. Relative luminance 0.362; OKLCH L 71.2% C 0.136 H 254.2°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX#63A5F5
RGBrgb(99, 165, 245)
HSLhsl(213, 88%, 67%)
HSVhsv(213, 60%, 96%)
CMYKcmyk(59.6%, 32.7%, 0%, 3.9%)
CIE-LABlab(66.64, 2.45, -46.26)
CIE-LCHlch(66.64, 46.32, 273.03°)
OKLaboklab(71.25% -0.037 -0.1307)
OKLCHoklch(71.25% 0.136 254.2)
XYZxyz(35.0763, 36.1523, 91.4981)
Luminance0.3615 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A5F5 #F5B363
analogous
#63EEF5 #63A5F5 #6A63F5
triadic
#63A5F5 #F563A5 #A5F563
tetradic
#63A5F5 #F563EE #F5B363 #63F56A
square
#63A5F5 #F563EE #F5B363 #63F56A
split-complementary
#63A5F5 #F56A63 #EEF563
monochromatic
#0D65D0 #2984F1 #63A5F5 #9DC6F9 #D6E7FC

Accessibility & contrast

On white

2.55
#63A5F5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.23
#63A5F5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A5F5
8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A5F5#FFFFFF#000000##000000
##63A5F51.002.558.238.23
#FFFFFF2.551.0021.0021.00
#0000008.2321.001.001.00
##0000008.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#83AAF8
Deuteranopia (green-blind)
#709CF3
Tritanopia (blue-blind)
#00B7C2
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #63a5f5;
/* rgb */ color: rgb(99, 165, 245);
/* oklch */ color: oklch(71.2% 0.136 254.2);
Tailwind
colors: {
  custom: {
    50: '#9abff9',
    500: '#63a5f5',
    950: '#000000',
  },
}
SCSS
$custom: #63a5f5;
$custom-light: #9abff9;
$custom-dark: #000000;
JSON
{
  "hex": "#63a5f5",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 245
  },
  "hsl": {
    "h": 212.877,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.71246,
    "c": 0.13587,
    "h": 254.2
  },
  "luminance": 0.36155
}

Semantic roles & 50–950 ramp

primary
#63A5F5
secondary
#F1DCC3
accent
#7E01E5
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63A5F5

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

Preview Lab → · Contrast checker → · Palette generator →

#63A5F5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva