#63A5E3#63A5E3

#63A5E3 is a light, moderate cyan. Relative luminance 0.351; OKLCH L 70.3% C 0.114 H 248.3°. Best body text is #000000 at 8.02:1 contrast (WCAG AA passes).

Color values

HEX#63A5E3
RGBrgb(99, 165, 227)
HSLhsl(209, 70%, 64%)
HSVhsv(209, 56%, 89%)
CMYKcmyk(56.4%, 27.3%, 0%, 11%)
CIE-LABlab(65.83, -3.22, -37.65)
CIE-LCHlch(65.83, 37.79, 265.11°)
OKLaboklab(70.35% -0.0421 -0.1058)
OKLCHoklch(70.35% 0.114 248.3)
XYZxyz(32.4609, 35.1062, 77.7237)
Luminance0.3511 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A5E3 #E3A163
analogous
#63E3E1 #63A5E3 #6365E3
triadic
#63A5E3 #E363A5 #A5E363
tetradic
#63A5E3 #E163E3 #E3A163 #65E363
square
#63A5E3 #E163E3 #E3A163 #65E363
split-complementary
#63A5E3 #E36365 #E3E163
monochromatic
#1F68AD #2F87DA #63A5E3 #97C3EC #CBE1F6

Accessibility & contrast

On white

2.62
#63A5E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.02
#63A5E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A5E3
8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A5E3#FFFFFF#000000##000000
##63A5E31.002.628.028.02
#FFFFFF2.621.0021.0021.00
#0000008.0221.001.001.00
##0000008.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8BA7E6
Deuteranopia (green-blind)
#7A9AE2
Tritanopia (blue-blind)
#00B4BB
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #63a5e3;
/* rgb */ color: rgb(99, 165, 227);
/* oklch */ color: oklch(70.3% 0.114 248.3);
Tailwind
colors: {
  custom: {
    50: '#98bfec',
    500: '#63a5e3',
    950: '#000000',
  },
}
SCSS
$custom: #63a5e3;
$custom-light: #98bfec;
$custom-dark: #000000;
JSON
{
  "hex": "#63a5e3",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 227
  },
  "hsl": {
    "h": 209.063,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.7035,
    "c": 0.11384,
    "h": 248.3
  },
  "luminance": 0.35109
}

Semantic roles & 50–950 ramp

primary
#63A5E3
secondary
#E7D0BA
accent
#7014D2
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #63A5E3

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

Preview Lab → · Contrast checker → · Palette generator →

#63A5E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva