#63B2F6#63B2F6

#63B2F6 is a light, vivid cyan. Relative luminance 0.411; OKLCH L 74.1% C 0.126 H 246.5°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX#63B2F6
RGBrgb(99, 178, 246)
HSLhsl(208, 89%, 68%)
HSVhsv(208, 60%, 96%)
CMYKcmyk(59.8%, 27.6%, 0%, 3.5%)
CIE-LABlab(70.28, -4.53, -41.09)
CIE-LCHlch(70.28, 41.34, 263.71°)
OKLaboklab(74.12% -0.0503 -0.1156)
OKLCHoklch(74.12% 0.126 246.5)
XYZxyz(37.6944, 41.1437, 93.1260)
Luminance0.4115 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B2F6 #F6A763
analogous
#63F6F0 #63B2F6 #6368F6
triadic
#63B2F6 #F663B2 #B2F663
tetradic
#63B2F6 #F063F6 #F6A763 #68F663
square
#63B2F6 #F063F6 #F6A763 #68F663
split-complementary
#63B2F6 #F66368 #F6F063
monochromatic
#0C77D2 #2995F3 #63B2F6 #9DCFF9 #D7EBFD

Accessibility & contrast

On white

2.28
#63B2F6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.23
#63B2F6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2F6
9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B2F6#FFFFFF#000000##000000
##63B2F61.002.289.239.23
#FFFFFF2.281.0021.0021.00
#0000009.2321.001.001.00
##0000009.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#95B4F9
Deuteranopia (green-blind)
#81A5F5
Tritanopia (blue-blind)
#00C2CA
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #63b2f6;
/* rgb */ color: rgb(99, 178, 246);
/* oklch */ color: oklch(74.1% 0.126 246.5);
Tailwind
colors: {
  custom: {
    50: '#9bc8f9',
    500: '#63b2f6',
    950: '#000000',
  },
}
SCSS
$custom: #63b2f6;
$custom-light: #9bc8f9;
$custom-dark: #000000;
JSON
{
  "hex": "#63b2f6",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 246
  },
  "hsl": {
    "h": 207.755,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.74119,
    "c": 0.12609,
    "h": 246.5
  },
  "luminance": 0.41147
}

Semantic roles & 50–950 ramp

primary
#63B2F6
secondary
#F1D9C4
accent
#6A00E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #63B2F6

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

Preview Lab → · Contrast checker → · Palette generator →

#63B2F6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva