#63A1F5#63A1F5

#63A1F5 is a light, vivid cyan. Relative luminance 0.347; OKLCH L 70.4% C 0.140 H 256.4°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX#63A1F5
RGBrgb(99, 161, 245)
HSLhsl(215, 88%, 67%)
HSVhsv(215, 60%, 96%)
CMYKcmyk(59.6%, 34.3%, 0%, 3.9%)
CIE-LABlab(65.54, 4.74, -47.98)
CIE-LCHlch(65.54, 48.22, 275.64°)
OKLaboklab(70.39% -0.0328 -0.1358)
OKLCHoklch(70.39% 0.14 256.4)
XYZxyz(34.3660, 34.7319, 91.2614)
Luminance0.3473 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A1F5 #F5B763
analogous
#63EAF5 #63A1F5 #6E63F5
triadic
#63A1F5 #F563A1 #A1F563
tetradic
#63A1F5 #F563EA #F5B763 #63F56E
square
#63A1F5 #F563EA #F5B763 #63F56E
split-complementary
#63A1F5 #F56E63 #EAF563
monochromatic
#0D60D0 #297EF1 #63A1F5 #9DC4F9 #D6E6FC

Accessibility & contrast

On white

2.64
#63A1F5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.95
#63A1F5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A1F5
7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A1F5#FFFFFF#000000##000000
##63A1F51.002.647.957.95
#FFFFFF2.641.0021.0021.00
#0000007.9521.001.001.00
##0000007.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7EA7F8
Deuteranopia (green-blind)
#6A99F3
Tritanopia (blue-blind)
#00B4C0
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #63a1f5;
/* rgb */ color: rgb(99, 161, 245);
/* oklch */ color: oklch(70.4% 0.140 256.4);
Tailwind
colors: {
  custom: {
    50: '#9abcf9',
    500: '#63a1f5',
    950: '#000000',
  },
}
SCSS
$custom: #63a1f5;
$custom-light: #9abcf9;
$custom-dark: #000000;
JSON
{
  "hex": "#63a1f5",
  "rgb": {
    "r": 99,
    "g": 161,
    "b": 245
  },
  "hsl": {
    "h": 214.521,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.70389,
    "c": 0.13972,
    "h": 256.4
  },
  "luminance": 0.34735
}

Semantic roles & 50–950 ramp

primary
#63A1F5
secondary
#F1DDC3
accent
#8401E5
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63A1F5

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

Preview Lab → · Contrast checker → · Palette generator →

#63A1F5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva