#63BAF1#63BAF1

#63BAF1 is a light, moderate cyan. Relative luminance 0.441; OKLCH L 75.7% C 0.116 H 238.6°. Best body text is #000000 at 9.82:1 contrast (WCAG AA passes).

Color values

HEX#63BAF1
RGBrgb(99, 186, 241)
HSLhsl(203, 84%, 67%)
HSVhsv(203, 59%, 95%)
CMYKcmyk(58.9%, 22.8%, 0%, 5.5%)
CIE-LABlab(72.31, -10.44, -35.22)
CIE-LCHlch(72.31, 36.74, 253.49°)
OKLaboklab(75.66% -0.0602 -0.0987)
OKLCHoklch(75.66% 0.116 238.6)
XYZxyz(38.5757, 44.1177, 89.6847)
Luminance0.4412 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BAF1 #F19A63
analogous
#63F1E1 #63BAF1 #6373F1
triadic
#63BAF1 #F163BA #BAF163
tetradic
#63BAF1 #E163F1 #F19A63 #73F163
square
#63BAF1 #E163F1 #F19A63 #73F163
split-complementary
#63BAF1 #F16373 #F1E163
monochromatic
#1281C8 #2BA1EC #63BAF1 #9BD3F6 #D3ECFB

Accessibility & contrast

On white

2.14
#63BAF1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.82
#63BAF1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BAF1
9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BAF1#FFFFFF#000000##000000
##63BAF11.002.149.829.82
#FFFFFF2.141.0021.0021.00
#0000009.8221.001.001.00
##0000009.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1B9F4
Deuteranopia (green-blind)
#8DABF0
Tritanopia (blue-blind)
#00C8CD
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #63baf1;
/* rgb */ color: rgb(99, 186, 241);
/* oklch */ color: oklch(75.7% 0.116 238.6);
Tailwind
colors: {
  custom: {
    50: '#9acef6',
    500: '#63baf1',
    950: '#000000',
  },
}
SCSS
$custom: #63baf1;
$custom-light: #9acef6;
$custom-dark: #000000;
JSON
{
  "hex": "#63baf1",
  "rgb": {
    "r": 99,
    "g": 186,
    "b": 241
  },
  "hsl": {
    "h": 203.239,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.75656,
    "c": 0.1156,
    "h": 238.6
  },
  "luminance": 0.44121
}

Semantic roles & 50–950 ramp

primary
#63BAF1
secondary
#EFD3C1
accent
#5A06E0
background
#FAFCFE
surface
#F4F9FD
border
#CED2D5
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #63BAF1

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

Preview Lab → · Contrast checker → · Palette generator →

#63BAF1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva