#63A8F5#63A8F5

#63A8F5 is a light, vivid cyan. Relative luminance 0.372; OKLCH L 71.9% C 0.133 H 252.5°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#63A8F5
RGB	rgb(99, 168, 245)
HSL	hsl(212, 88%, 67%)
HSV	hsv(212, 60%, 96%)
CMYK	cmyk(59.6%, 31.4%, 0%, 3.9%)
CIE-LAB	lab(67.46, 0.75, -44.96)
CIE-LCH	lch(67.46, 44.96, 270.95°)
OKLab	oklab(71.89% -0.0401 -0.1269)
OKLCH	oklch(71.89% 0.133 252.5)
XYZ	xyz(35.6237, 37.2472, 91.6806)
Luminance	0.3725 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A8F5 #F5B063

analogous

#63F1F5 #63A8F5 #6763F5

triadic

#63A8F5 #F563A8 #A8F563

tetradic

#63A8F5 #F563F1 #F5B063 #63F567

square

#63A8F5 #F563F1 #F5B063 #63F567

split-complementary

#63A8F5 #F56763 #F1F563

monochromatic

#0D69D0 #2988F1 #63A8F5 #9DC8F9 #D6E8FC

Accessibility & contrast

On white

2.49

#63A8F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.45

#63A8F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8F5

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A8F5	#FFFFFF	#000000	##000000
##63A8F5	1.00	2.49	8.45	8.45
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.45	21.00	1.00	1.00
##000000	8.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87ACF8

Deuteranopia (green-blind)

#749EF3

Tritanopia (blue-blind)

#00BAC3

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63a8f5;
/* rgb */ color: rgb(99, 168, 245);
/* oklch */ color: oklch(71.9% 0.133 252.5);

Tailwind

colors: {
  custom: {
    50: '#9ac1f9',
    500: '#63a8f5',
    950: '#000000',
  },
}

SCSS

$custom: #63a8f5;
$custom-light: #9ac1f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63a8f5",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 245
  },
  "hsl": {
    "h": 211.644,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.71893,
    "c": 0.13312,
    "h": 252.5
  },
  "luminance": 0.3725
}

Semantic roles & 50–950 ramp

primary

#63A8F5

secondary

#F1DBC3

accent

#7901E5

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A8F5

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

Preview Lab → · Contrast checker → · Palette generator →