#63A4F6#63A4F6

#63A4F6 is a light, vivid cyan. Relative luminance 0.359; OKLCH L 71.1% C 0.138 H 255.0°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX#63A4F6
RGBrgb(99, 164, 246)
HSLhsl(213, 89%, 68%)
HSVhsv(213, 60%, 96%)
CMYKcmyk(59.8%, 33.3%, 0%, 3.5%)
CIE-LABlab(66.41, 3.34, -47.16)
CIE-LCHlch(66.41, 47.28, 274.06°)
OKLaboklab(71.08% -0.0357 -0.1334)
OKLCHoklch(71.08% 0.138 255)
XYZxyz(35.0497, 35.8542, 92.2444)
Luminance0.3586 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A4F6 #F6B563
analogous
#63EEF6 #63A4F6 #6B63F6
triadic
#63A4F6 #F663A4 #A4F663
tetradic
#63A4F6 #F663EE #F6B563 #63F66B
square
#63A4F6 #F663EE #F6B563 #63F66B
split-complementary
#63A4F6 #F66B63 #EEF663
monochromatic
#0C64D2 #2982F3 #63A4F6 #9DC6F9 #D7E8FD

Accessibility & contrast

On white

2.57
#63A4F6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.17
#63A4F6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4F6
8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A4F6#FFFFFF#000000##000000
##63A4F61.002.578.178.17
#FFFFFF2.571.0021.0021.00
#0000008.1721.001.001.00
##0000008.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#81A9F9
Deuteranopia (green-blind)
#6E9BF4
Tritanopia (blue-blind)
#00B7C2
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #63a4f6;
/* rgb */ color: rgb(99, 164, 246);
/* oklch */ color: oklch(71.1% 0.138 255.0);
Tailwind
colors: {
  custom: {
    50: '#9bbef9',
    500: '#63a4f6',
    950: '#000000',
  },
}
SCSS
$custom: #63a4f6;
$custom-light: #9bbef9;
$custom-dark: #000000;
JSON
{
  "hex": "#63a4f6",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 246
  },
  "hsl": {
    "h": 213.469,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.71083,
    "c": 0.13807,
    "h": 255
  },
  "luminance": 0.35857
}

Semantic roles & 50–950 ramp

primary
#63A4F6
secondary
#F1DDC4
accent
#8000E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63A4F6

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

Preview Lab → · Contrast checker → · Palette generator →

#63A4F6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva