#63A6F8#63A6F8

#63A6F8 is a light, vivid cyan. Relative luminance 0.367; OKLCH L 71.6% C 0.139 H 254.4°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX#63A6F8
RGBrgb(99, 166, 248)
HSLhsl(213, 91%, 68%)
HSVhsv(213, 60%, 97%)
CMYKcmyk(60.1%, 33.1%, 0%, 2.7%)
CIE-LABlab(67.05, 2.84, -47.24)
CIE-LCHlch(67.05, 47.33, 273.44°)
OKLaboklab(71.62% -0.0372 -0.1336)
OKLCHoklch(71.62% 0.139 254.4)
XYZxyz(35.7190, 36.6991, 93.9900)
Luminance0.3670 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A6F8 #F8B563
analogous
#63F1F8 #63A6F8 #6A63F8
triadic
#63A6F8 #F863A6 #A6F863
tetradic
#63A6F8 #F863F1 #F8B563 #63F86A
square
#63A6F8 #F863F1 #F8B563 #63F86A
split-complementary
#63A6F8 #F86A63 #F1F863
monochromatic
#0A66D7 #2885F5 #63A6F8 #9EC7FB #D8E9FD

Accessibility & contrast

On white

2.52
#63A6F8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.34
#63A6F8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A6F8
8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A6F8#FFFFFF#000000##000000
##63A6F81.002.528.348.34
#FFFFFF2.521.0021.0021.00
#0000008.3421.001.001.00
##0000008.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#83ABFB
Deuteranopia (green-blind)
#6F9DF6
Tritanopia (blue-blind)
#00B9C4
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #63a6f8;
/* rgb */ color: rgb(99, 166, 248);
/* oklch */ color: oklch(71.6% 0.139 254.4);
Tailwind
colors: {
  custom: {
    50: '#9bc0fb',
    500: '#63a6f8',
    950: '#000000',
  },
}
SCSS
$custom: #63a6f8;
$custom-light: #9bc0fb;
$custom-dark: #000000;
JSON
{
  "hex": "#63a6f8",
  "rgb": {
    "r": 99,
    "g": 166,
    "b": 248
  },
  "hsl": {
    "h": 213.02,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.71616,
    "c": 0.13868,
    "h": 254.4
  },
  "luminance": 0.36702
}

Semantic roles & 50–950 ramp

primary
#63A6F8
secondary
#F2DEC5
accent
#7E00E6
background
#FAFBFF
surface
#F4F7FF
border
#CED0D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63A6F8

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

Preview Lab → · Contrast checker → · Palette generator →

#63A6F8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva