#63A6F4#63A6F4

#63A6F4 is a light, vivid cyan. Relative luminance 0.365; OKLCH L 71.4% C 0.134 H 253.4°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX#63A6F4
RGBrgb(99, 166, 244)
HSLhsl(212, 87%, 67%)
HSVhsv(212, 59%, 96%)
CMYKcmyk(59.4%, 32%, 0%, 4.3%)
CIE-LABlab(66.87, 1.56, -45.35)
CIE-LCHlch(66.87, 45.38, 271.97°)
OKLaboklab(71.41% -0.0383 -0.1281)
OKLCHoklch(71.41% 0.134 253.4)
XYZxyz(35.1051, 36.4536, 90.7567)
Luminance0.3646 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A6F4 #F4B163
analogous
#63EEF4 #63A6F4 #6963F4
triadic
#63A6F4 #F463A6 #A6F463
tetradic
#63A6F4 #F463EE #F4B163 #63F469
square
#63A6F4 #F463EE #F4B163 #63F469
split-complementary
#63A6F4 #F46963 #EEF463
monochromatic
#0F67CE #2A85F0 #63A6F4 #9CC7F8 #D5E7FC

Accessibility & contrast

On white

2.53
#63A6F4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.29
#63A6F4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A6F4
8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A6F4#FFFFFF#000000##000000
##63A6F41.002.538.298.29
#FFFFFF2.531.0021.0021.00
#0000008.2921.001.001.00
##0000008.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#85AAF7
Deuteranopia (green-blind)
#729CF2
Tritanopia (blue-blind)
#00B8C2
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #63a6f4;
/* rgb */ color: rgb(99, 166, 244);
/* oklch */ color: oklch(71.4% 0.134 253.4);
Tailwind
colors: {
  custom: {
    50: '#9ac0f8',
    500: '#63a6f4',
    950: '#000000',
  },
}
SCSS
$custom: #63a6f4;
$custom-light: #9ac0f8;
$custom-dark: #000000;
JSON
{
  "hex": "#63a6f4",
  "rgb": {
    "r": 99,
    "g": 166,
    "b": 244
  },
  "hsl": {
    "h": 212.276,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.7141,
    "c": 0.13369,
    "h": 253.4
  },
  "luminance": 0.36457
}

Semantic roles & 50–950 ramp

primary
#63A6F4
secondary
#F0DBC3
accent
#7B02E3
background
#FAFBFF
surface
#F3F7FF
border
#CDD0D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63A6F4

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

Preview Lab → · Contrast checker → · Palette generator →

#63A6F4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva