#63A3E3#63A3E3

#63A3E3 is a light, moderate cyan. Relative luminance 0.344; OKLCH L 69.9% C 0.115 H 249.8°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX#63A3E3
RGBrgb(99, 163, 227)
HSLhsl(210, 70%, 64%)
HSVhsv(210, 56%, 89%)
CMYKcmyk(56.4%, 28.2%, 0%, 11%)
CIE-LABlab(65.27, -2.10, -38.53)
CIE-LCHlch(65.27, 38.59, 266.88°)
OKLaboklab(69.91% -0.0399 -0.1083)
OKLCHoklch(69.91% 0.115 249.8)
XYZxyz(32.1029, 34.3903, 77.6044)
Luminance0.3439 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A3E3 #E3A363
analogous
#63E3E3 #63A3E3 #6363E3
triadic
#63A3E3 #E363A3 #A3E363
tetradic
#63A3E3 #E363E3 #E3A363 #63E363
square
#63A3E3 #E363E3 #E3A363 #63E363
split-complementary
#63A3E3 #E36363 #E3E363
monochromatic
#1F66AD #2F84DA #63A3E3 #97C2EC #CBE0F6

Accessibility & contrast

On white

2.67
#63A3E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.88
#63A3E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3E3
7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A3E3#FFFFFF#000000##000000
##63A3E31.002.677.887.88
#FFFFFF2.671.0021.0021.00
#0000007.8821.001.001.00
##0000007.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#88A5E6
Deuteranopia (green-blind)
#7799E2
Tritanopia (blue-blind)
#00B2B9
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #63a3e3;
/* rgb */ color: rgb(99, 163, 227);
/* oklch */ color: oklch(69.9% 0.115 249.8);
Tailwind
colors: {
  custom: {
    50: '#98beec',
    500: '#63a3e3',
    950: '#000000',
  },
}
SCSS
$custom: #63a3e3;
$custom-light: #98beec;
$custom-dark: #000000;
JSON
{
  "hex": "#63a3e3",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 227
  },
  "hsl": {
    "h": 210,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.69909,
    "c": 0.11542,
    "h": 249.8
  },
  "luminance": 0.34393
}

Semantic roles & 50–950 ramp

primary
#63A3E3
secondary
#E7D1BA
accent
#7314D2
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #63A3E3

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

Preview Lab → · Contrast checker → · Palette generator →

#63A3E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva