#63B0DE#63B0DE

#63B0DE is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.6% C 0.102 H 236.7°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#63B0DE
RGBrgb(99, 176, 222)
HSLhsl(202, 65%, 63%)
HSVhsv(202, 55%, 87%)
CMYKcmyk(55.4%, 20.7%, 0%, 12.9%)
CIE-LABlab(68.73, -10.81, -30.41)
CIE-LCHlch(68.73, 32.27, 250.43°)
OKLaboklab(72.58% -0.0558 -0.0849)
OKLCHoklch(72.58% 0.102 236.7)
XYZxyz(33.8508, 38.9743, 74.8320)
Luminance0.3898 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B0DE #DE9163
analogous
#63DECE #63B0DE #6372DE
triadic
#63B0DE #DE63B0 #B0DE63
tetradic
#63B0DE #CE63DE #DE9163 #72DE63
square
#63B0DE #CE63DE #DE9163 #72DE63
split-complementary
#63B0DE #DE6372 #DECE63
monochromatic
#2374A4 #3096D3 #63B0DE #96CAE9 #C8E3F3

Accessibility & contrast

On white

2.39
#63B0DE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.80
#63B0DE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B0DE
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B0DE#FFFFFF#000000##000000
##63B0DE1.002.398.808.80
#FFFFFF2.391.0021.0021.00
#0000008.8021.001.001.00
##0000008.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#9BAFE0
Deuteranopia (green-blind)
#8AA2DD
Tritanopia (blue-blind)
#00BCBF
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #63b0de;
/* rgb */ color: rgb(99, 176, 222);
/* oklch */ color: oklch(72.6% 0.102 236.7);
Tailwind
colors: {
  custom: {
    50: '#98c7e8',
    500: '#63b0de',
    950: '#000000',
  },
}
SCSS
$custom: #63b0de;
$custom-light: #98c7e8;
$custom-dark: #000000;
JSON
{
  "hex": "#63b0de",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 222
  },
  "hsl": {
    "h": 202.439,
    "s": 65.079,
    "l": 62.941
  },
  "oklch": {
    "l": 0.72575,
    "c": 0.10159,
    "h": 236.7
  },
  "luminance": 0.38977
}

Semantic roles & 50–950 ramp

primary
#63B0DE
secondary
#E5C9B8
accent
#5C19CD
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #63B0DE

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

Preview Lab → · Contrast checker → · Palette generator →

#63B0DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva