#63A8D5#63A8D5

#63A8D5 is a light, moderate cyan. Relative luminance 0.355; OKLCH L 70.4% C 0.096 H 238.8°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX#63A8D5
RGBrgb(99, 168, 213)
HSLhsl(204, 58%, 61%)
HSVhsv(204, 54%, 84%)
CMYKcmyk(53.5%, 21.1%, 0%, 16.5%)
CIE-LABlab(66.10, -9.16, -29.51)
CIE-LCHlch(66.10, 30.90, 252.76°)
OKLaboklab(70.38% -0.0499 -0.0824)
OKLCHoklch(70.38% 0.096 238.8)
XYZxyz(31.1541, 35.4594, 68.1405)
Luminance0.3546 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A8D5 #D59063
analogous
#63D5C9 #63A8D5 #636FD5
triadic
#63A8D5 #D563A8 #A8D563
tetradic
#63A8D5 #C963D5 #D59063 #6FD563
square
#63A8D5 #C963D5 #D59063 #6FD563
split-complementary
#63A8D5 #D5636F #D5C963
monochromatic
#286A95 #358DC6 #63A8D5 #93C3E2 #C3DEEF

Accessibility & contrast

On white

2.60
#63A8D5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.09
#63A8D5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8D5
8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A8D5#FFFFFF#000000##000000
##63A8D51.002.608.098.09
#FFFFFF2.601.0021.0021.00
#0000008.0921.001.001.00
##0000008.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#94A7D7
Deuteranopia (green-blind)
#849BD4
Tritanopia (blue-blind)
#15B3B7
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #63a8d5;
/* rgb */ color: rgb(99, 168, 213);
/* oklch */ color: oklch(70.4% 0.096 238.8);
Tailwind
colors: {
  custom: {
    50: '#97c1e2',
    500: '#63a8d5',
    950: '#000000',
  },
}
SCSS
$custom: #63a8d5;
$custom-light: #97c1e2;
$custom-dark: #000000;
JSON
{
  "hex": "#63a8d5",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 213
  },
  "hsl": {
    "h": 203.684,
    "s": 57.576,
    "l": 61.176
  },
  "oklch": {
    "l": 0.70376,
    "c": 0.0963,
    "h": 238.8
  },
  "luminance": 0.35462
}

Semantic roles & 50–950 ramp

primary
#63A8D5
secondary
#DFC5B4
accent
#6120C5
background
#F9FBFD
surface
#F2F7FB
border
#CCD0D4
text
#0E1215
muted
#7E8183

Preview Lab

Preview with #63A8D5

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

Preview Lab → · Contrast checker → · Palette generator →

#63A8D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva