#63A4E5#63A4E5

#63A4E5 is a light, moderate cyan. Relative luminance 0.349; OKLCH L 70.2% C 0.117 H 249.8°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#63A4E5
RGBrgb(99, 164, 229)
HSLhsl(210, 71%, 64%)
HSVhsv(210, 57%, 90%)
CMYKcmyk(56.8%, 28.4%, 0%, 10.2%)
CIE-LABlab(65.64, -2.04, -39.06)
CIE-LCHlch(65.64, 39.11, 267.01°)
OKLaboklab(70.23% -0.0404 -0.1098)
OKLCHoklch(70.23% 0.117 249.8)
XYZxyz(32.5588, 34.8579, 79.1260)
Luminance0.3486 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A4E5 #E5A463
analogous
#63E5E5 #63A4E5 #6363E5
triadic
#63A4E5 #E563A4 #A4E563
tetradic
#63A4E5 #E563E5 #E5A463 #63E563
square
#63A4E5 #E563E5 #E5A463 #63E563
split-complementary
#63A4E5 #E56363 #E5E563
monochromatic
#1D67B0 #2F85DC #63A4E5 #97C3EE #CCE1F6

Accessibility & contrast

On white

2.63
#63A4E5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.97
#63A4E5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4E5
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A4E5#FFFFFF#000000##000000
##63A4E51.002.637.977.97
#FFFFFF2.631.0021.0021.00
#0000007.9721.001.001.00
##0000007.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#89A7E8
Deuteranopia (green-blind)
#789AE4
Tritanopia (blue-blind)
#00B3BB
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #63a4e5;
/* rgb */ color: rgb(99, 164, 229);
/* oklch */ color: oklch(70.2% 0.117 249.8);
Tailwind
colors: {
  custom: {
    50: '#98beed',
    500: '#63a4e5',
    950: '#000000',
  },
}
SCSS
$custom: #63a4e5;
$custom-light: #98beed;
$custom-dark: #000000;
JSON
{
  "hex": "#63a4e5",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 229
  },
  "hsl": {
    "h": 210,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.70226,
    "c": 0.11703,
    "h": 249.8
  },
  "luminance": 0.34861
}

Semantic roles & 50–950 ramp

primary
#63A4E5
secondary
#E8D2BB
accent
#7312D3
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0F1216
muted
#7E8184

Preview Lab

Preview with #63A4E5

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

Preview Lab → · Contrast checker → · Palette generator →

#63A4E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva