#63B0FA#63B0FA

#63B0FA is a light, vivid cyan. Relative luminance 0.406; OKLCH L 73.9% C 0.132 H 249.2°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX#63B0FA
RGBrgb(99, 176, 250)
HSLhsl(209, 94%, 68%)
HSVhsv(209, 60%, 98%)
CMYKcmyk(60.4%, 29.6%, 0%, 2%)
CIE-LABlab(69.90, -2.16, -43.86)
CIE-LCHlch(69.90, 43.91, 267.18°)
OKLaboklab(73.88% -0.047 -0.1237)
OKLCHoklch(73.88% 0.132 249.2)
XYZxyz(37.9199, 40.6019, 96.2625)
Luminance0.4061 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B0FA #FAAD63
analogous
#63FAF9 #63B0FA #6364FA
triadic
#63B0FA #FA63B0 #B0FA63
tetradic
#63B0FA #F963FA #FAAD63 #64FA63
square
#63B0FA #F963FA #FAAD63 #64FA63
split-complementary
#63B0FA #FA6364 #FAF963
monochromatic
#0773DC #2892F8 #63B0FA #9ECEFC #DAECFE

Accessibility & contrast

On white

2.30
#63B0FA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.12
#63B0FA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B0FA
9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B0FA#FFFFFF#000000##000000
##63B0FA1.002.309.129.12
#FFFFFF2.301.0021.0021.00
#0000009.1221.001.001.00
##0000009.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#90B3FD
Deuteranopia (green-blind)
#7CA4F9
Tritanopia (blue-blind)
#00C1CA
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #63b0fa;
/* rgb */ color: rgb(99, 176, 250);
/* oklch */ color: oklch(73.9% 0.132 249.2);
Tailwind
colors: {
  custom: {
    50: '#9bc7fc',
    500: '#63b0fa',
    950: '#000000',
  },
}
SCSS
$custom: #63b0fa;
$custom-light: #9bc7fc;
$custom-dark: #000000;
JSON
{
  "hex": "#63b0fa",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 250
  },
  "hsl": {
    "h": 209.404,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.73877,
    "c": 0.1323,
    "h": 249.2
  },
  "luminance": 0.40605
}

Semantic roles & 50–950 ramp

primary
#63B0FA
secondary
#F3DCC6
accent
#7000E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #63B0FA

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

Preview Lab → · Contrast checker → · Palette generator →

#63B0FA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva