#63B6ED#63B6ED

#63B6ED is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.6% C 0.114 H 239.7°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX#63B6ED
RGBrgb(99, 182, 237)
HSLhsl(204, 79%, 66%)
HSVhsv(204, 58%, 93%)
CMYKcmyk(58.2%, 23.2%, 0%, 7.1%)
CIE-LABlab(71.02, -9.51, -35.05)
CIE-LCHlch(71.02, 36.31, 254.82°)
OKLaboklab(74.59% -0.0573 -0.0982)
OKLCHoklch(74.59% 0.114 239.7)
XYZxyz(37.1539, 42.2195, 86.2956)
Luminance0.4222 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B6ED #ED9A63
analogous
#63EDDF #63B6ED #6371ED
triadic
#63B6ED #ED63B6 #B6ED63
tetradic
#63B6ED #DF63ED #ED9A63 #71ED63
square
#63B6ED #DF63ED #ED9A63 #71ED63
split-complementary
#63B6ED #ED6371 #EDDF63
monochromatic
#167CC0 #2C9CE7 #63B6ED #9AD0F3 #D1E9FA

Accessibility & contrast

On white

2.22
#63B6ED on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.44
#63B6ED on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B6ED
9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B6ED#FFFFFF#000000##000000
##63B6ED1.002.229.449.44
#FFFFFF2.221.0021.0021.00
#0000009.4421.001.001.00
##0000009.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DB6F0
Deuteranopia (green-blind)
#8AA8EC
Tritanopia (blue-blind)
#00C4C9
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #63b6ed;
/* rgb */ color: rgb(99, 182, 237);
/* oklch */ color: oklch(74.6% 0.114 239.7);
Tailwind
colors: {
  custom: {
    50: '#9acbf3',
    500: '#63b6ed',
    950: '#000000',
  },
}
SCSS
$custom: #63b6ed;
$custom-light: #9acbf3;
$custom-dark: #000000;
JSON
{
  "hex": "#63b6ed",
  "rgb": {
    "r": 99,
    "g": 182,
    "b": 237
  },
  "hsl": {
    "h": 203.913,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.74585,
    "c": 0.11367,
    "h": 239.7
  },
  "luminance": 0.42223
}

Semantic roles & 50–950 ramp

primary
#63B6ED
secondary
#EDD1BF
accent
#5D0ADC
background
#FAFCFE
surface
#F3F8FD
border
#CDD1D5
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #63B6ED

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

Preview Lab → · Contrast checker → · Palette generator →

#63B6ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva