#63A9FC#63A9FC

#63A9FC is a light, vivid cyan. Relative luminance 0.381; OKLCH L 72.5% C 0.141 H 253.8°. Best body text is #000000 at 8.61:1 contrast (WCAG AA passes).

Color values

HEX#63A9FC
RGBrgb(99, 169, 252)
HSLhsl(213, 96%, 69%)
HSVhsv(213, 61%, 99%)
CMYKcmyk(60.7%, 32.9%, 0%, 1.2%)
CIE-LABlab(68.06, 2.42, -47.83)
CIE-LCHlch(68.06, 47.89, 272.90°)
OKLaboklab(72.47% -0.0393 -0.1353)
OKLCHoklch(72.47% 0.141 253.8)
XYZxyz(36.8979, 38.0534, 97.4771)
Luminance0.3806 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A9FC #FCB663
analogous
#63F5FC #63A9FC #6A63FC
triadic
#63A9FC #FC63A9 #A9FC63
tetradic
#63A9FC #FC63F5 #FCB663 #63FC6A
square
#63A9FC #FC63F5 #FCB663 #63FC6A
split-complementary
#63A9FC #FC6A63 #F5FC63
monochromatic
#0469E0 #2788FB #63A9FC #9FCAFD #DBEBFE

Accessibility & contrast

On white

2.44
#63A9FC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.61
#63A9FC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A9FC
8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A9FC#FFFFFF#000000##000000
##63A9FC1.002.448.618.61
#FFFFFF2.441.0021.0021.00
#0000008.6121.001.001.00
##0000008.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#86AEFF
Deuteranopia (green-blind)
#719FFA
Tritanopia (blue-blind)
#00BCC7
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #63a9fc;
/* rgb */ color: rgb(99, 169, 252);
/* oklch */ color: oklch(72.5% 0.141 253.8);
Tailwind
colors: {
  custom: {
    50: '#9bc2fd',
    500: '#63a9fc',
    950: '#000000',
  },
}
SCSS
$custom: #63a9fc;
$custom-light: #9bc2fd;
$custom-dark: #000000;
JSON
{
  "hex": "#63a9fc",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 252
  },
  "hsl": {
    "h": 212.549,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.72467,
    "c": 0.14086,
    "h": 253.8
  },
  "luminance": 0.38057
}

Semantic roles & 50–950 ramp

primary
#63A9FC
secondary
#F4DFC7
accent
#7C00E6
background
#FAFBFF
surface
#F4F7FF
border
#CED0D7
text
#0F1218
muted
#7F8186

Preview Lab

Preview with #63A9FC

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

Preview Lab → · Contrast checker → · Palette generator →

#63A9FC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva