#63ABD9#63ABD9

#63ABD9 is a light, moderate cyan. Relative luminance 0.368; OKLCH L 71.2% C 0.099 H 238.3°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX#63ABD9
RGBrgb(99, 171, 217)
HSLhsl(203, 61%, 62%)
HSVhsv(203, 54%, 85%)
CMYKcmyk(54.4%, 21.2%, 0%, 14.9%)
CIE-LABlab(67.12, -9.60, -30.16)
CIE-LCHlch(67.12, 31.65, 252.35°)
OKLaboklab(71.23% -0.0519 -0.0842)
OKLCHoklch(71.23% 0.099 238.3)
XYZxyz(32.2283, 36.7855, 71.0341)
Luminance0.3679 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ABD9 #D99163
analogous
#63D9CC #63ABD9 #6370D9
triadic
#63ABD9 #D963AB #ABD963
tetradic
#63ABD9 #CC63D9 #D99163 #70D963
square
#63ABD9 #CC63D9 #D99163 #70D963
split-complementary
#63ABD9 #D96370 #D9CC63
monochromatic
#266E9C #3290CD #63ABD9 #94C5E5 #C5E0F1

Accessibility & contrast

On white

2.51
#63ABD9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.36
#63ABD9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABD9
8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ABD9#FFFFFF#000000##000000
##63ABD91.002.518.368.36
#FFFFFF2.511.0021.0021.00
#0000008.3621.001.001.00
##0000008.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#96AADB
Deuteranopia (green-blind)
#869ED8
Tritanopia (blue-blind)
#04B7BA
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #63abd9;
/* rgb */ color: rgb(99, 171, 217);
/* oklch */ color: oklch(71.2% 0.099 238.3);
Tailwind
colors: {
  custom: {
    50: '#97c4e5',
    500: '#63abd9',
    950: '#000000',
  },
}
SCSS
$custom: #63abd9;
$custom-light: #97c4e5;
$custom-dark: #000000;
JSON
{
  "hex": "#63abd9",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 217
  },
  "hsl": {
    "h": 203.39,
    "s": 60.825,
    "l": 61.961
  },
  "oklch": {
    "l": 0.71229,
    "c": 0.09892,
    "h": 238.3
  },
  "luminance": 0.36788
}

Semantic roles & 50–950 ramp

primary
#63ABD9
secondary
#E2C7B6
accent
#601DC9
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1215
muted
#7E8184

Preview Lab

Preview with #63ABD9

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

Preview Lab → · Contrast checker → · Palette generator →

#63ABD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva