#63BAF8#63BAF8

#63BAF8 is a light, vivid cyan. Relative luminance 0.445; OKLCH L 76.0% C 0.123 H 241.8°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX#63BAF8
RGBrgb(99, 186, 248)
HSLhsl(205, 91%, 68%)
HSVhsv(205, 60%, 97%)
CMYKcmyk(60.1%, 25%, 0%, 2.7%)
CIE-LABlab(72.59, -8.28, -38.57)
CIE-LCHlch(72.59, 39.45, 257.88°)
OKLaboklab(75.97% -0.058 -0.1083)
OKLCHoklch(75.97% 0.123 241.8)
XYZxyz(39.6414, 44.5440, 95.2975)
Luminance0.4455 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BAF8 #F8A163
analogous
#63F8EB #63BAF8 #6370F8
triadic
#63BAF8 #F863BA #BAF863
tetradic
#63BAF8 #EB63F8 #F8A163 #70F863
square
#63BAF8 #EB63F8 #F8A163 #70F863
split-complementary
#63BAF8 #F86370 #F8EB63
monochromatic
#0A82D7 #28A0F5 #63BAF8 #9ED4FB #D8EEFD

Accessibility & contrast

On white

2.12
#63BAF8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.91
#63BAF8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BAF8
9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BAF8#FFFFFF#000000##000000
##63BAF81.002.129.919.91
#FFFFFF2.121.0021.0021.00
#0000009.9121.001.001.00
##0000009.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EBAFB
Deuteranopia (green-blind)
#8AABF7
Tritanopia (blue-blind)
#00C9CF
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #63baf8;
/* rgb */ color: rgb(99, 186, 248);
/* oklch */ color: oklch(76.0% 0.123 241.8);
Tailwind
colors: {
  custom: {
    50: '#9bcefa',
    500: '#63baf8',
    950: '#000000',
  },
}
SCSS
$custom: #63baf8;
$custom-light: #9bcefa;
$custom-dark: #000000;
JSON
{
  "hex": "#63baf8",
  "rgb": {
    "r": 99,
    "g": 186,
    "b": 248
  },
  "hsl": {
    "h": 204.966,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.75974,
    "c": 0.12283,
    "h": 241.8
  },
  "luminance": 0.44548
}

Semantic roles & 50–950 ramp

primary
#63BAF8
secondary
#F2D8C5
accent
#5F00E6
background
#FAFCFF
surface
#F4F9FF
border
#CED2D7
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #63BAF8

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

Preview Lab → · Contrast checker → · Palette generator →

#63BAF8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva