#63A7E7#63A7E7

#63A7E7 is a light, moderate cyan. Relative luminance 0.361; OKLCH L 71.0% C 0.117 H 248.4°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#63A7E7
RGBrgb(99, 167, 231)
HSLhsl(209, 73%, 65%)
HSVhsv(209, 57%, 91%)
CMYKcmyk(57.1%, 27.7%, 0%, 9.4%)
CIE-LABlab(66.56, -3.10, -38.71)
CIE-LCHlch(66.56, 38.83, 265.42°)
OKLaboklab(70.98% -0.043 -0.1088)
OKLCHoklch(70.98% 0.117 248.4)
XYZxyz(33.3829, 36.0567, 80.7862)
Luminance0.3606 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A7E7 #E7A363
analogous
#63E7E5 #63A7E7 #6365E7
triadic
#63A7E7 #E763A7 #A7E763
tetradic
#63A7E7 #E563E7 #E7A363 #65E763
square
#63A7E7 #E563E7 #E7A363 #65E763
split-complementary
#63A7E7 #E76365 #E7E563
monochromatic
#1C6AB4 #2E89DF #63A7E7 #98C5EF #CDE3F7

Accessibility & contrast

On white

2.56
#63A7E7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.21
#63A7E7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A7E7
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A7E7#FFFFFF#000000##000000
##63A7E71.002.568.218.21
#FFFFFF2.561.0021.0021.00
#0000008.2121.001.001.00
##0000008.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8CA9EA
Deuteranopia (green-blind)
#7A9CE6
Tritanopia (blue-blind)
#00B6BD
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #63a7e7;
/* rgb */ color: rgb(99, 167, 231);
/* oklch */ color: oklch(71.0% 0.117 248.4);
Tailwind
colors: {
  custom: {
    50: '#99c0ef',
    500: '#63a7e7',
    950: '#000000',
  },
}
SCSS
$custom: #63a7e7;
$custom-light: #99c0ef;
$custom-dark: #000000;
JSON
{
  "hex": "#63a7e7",
  "rgb": {
    "r": 99,
    "g": 167,
    "b": 231
  },
  "hsl": {
    "h": 209.091,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.70983,
    "c": 0.11703,
    "h": 248.4
  },
  "luminance": 0.3606
}

Semantic roles & 50–950 ramp

primary
#63A7E7
secondary
#EAD2BC
accent
#7010D5
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0F1216
muted
#7E8184

Preview Lab

Preview with #63A7E7

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

Preview Lab → · Contrast checker → · Palette generator →

#63A7E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva