#63AFE7#63AFE7

#63AFE7 is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.8% C 0.111 H 242.3°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX#63AFE7
RGBrgb(99, 175, 231)
HSLhsl(205, 73%, 65%)
HSVhsv(205, 57%, 91%)
CMYKcmyk(57.1%, 24.2%, 0%, 9.4%)
CIE-LABlab(68.81, -7.53, -35.21)
CIE-LCHlch(68.81, 36.01, 257.92°)
OKLaboklab(72.75% -0.0517 -0.0987)
OKLCHoklch(72.75% 0.111 242.3)
XYZxyz(34.8941, 39.0790, 81.2899)
Luminance0.3908 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63AFE7 #E79B63
analogous
#63E7DD #63AFE7 #636DE7
triadic
#63AFE7 #E763AF #AFE763
tetradic
#63AFE7 #DD63E7 #E79B63 #6DE763
square
#63AFE7 #DD63E7 #E79B63 #6DE763
split-complementary
#63AFE7 #E7636D #E7DD63
monochromatic
#1C73B4 #2E94DF #63AFE7 #98CAEF #CDE5F7

Accessibility & contrast

On white

2.38
#63AFE7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.82
#63AFE7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFE7
8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63AFE7#FFFFFF#000000##000000
##63AFE71.002.388.828.82
#FFFFFF2.381.0021.0021.00
#0000008.8221.001.001.00
##0000008.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#96AFEA
Deuteranopia (green-blind)
#84A2E6
Tritanopia (blue-blind)
#00BDC2
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #63afe7;
/* rgb */ color: rgb(99, 175, 231);
/* oklch */ color: oklch(72.8% 0.111 242.3);
Tailwind
colors: {
  custom: {
    50: '#99c6ef',
    500: '#63afe7',
    950: '#000000',
  },
}
SCSS
$custom: #63afe7;
$custom-light: #99c6ef;
$custom-dark: #000000;
JSON
{
  "hex": "#63afe7",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 231
  },
  "hsl": {
    "h": 205.455,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.72754,
    "c": 0.11142,
    "h": 242.3
  },
  "luminance": 0.39082
}

Semantic roles & 50–950 ramp

primary
#63AFE7
secondary
#EACFBC
accent
#6410D5
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1316
muted
#7E8284

Preview Lab

Preview with #63AFE7

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

Preview Lab → · Contrast checker → · Palette generator →

#63AFE7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva