#63ACFA#63ACFA

#63ACFA is a light, vivid cyan. Relative luminance 0.391; OKLCH L 73.0% C 0.136 H 251.6°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#63ACFA
RGB	rgb(99, 172, 250)
HSL	hsl(211, 94%, 68%)
HSV	hsv(211, 60%, 98%)
CMYK	cmyk(60.4%, 31.2%, 0%, 2%)
CIE-LAB	lab(68.79, 0.08, -45.59)
CIE-LCH	lch(68.79, 45.59, 270.10°)
OKLab	oklab(73.01% -0.0429 -0.1287)
OKLCH	oklch(73.01% 0.136 251.6)
XYZ	xyz(37.1472, 39.0564, 96.0050)
Luminance	0.3906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACFA #FAB163

analogous

#63F8FA #63ACFA #6563FA

triadic

#63ACFA #FA63AC #ACFA63

tetradic

#63ACFA #FA63F8 #FAB163 #63FA65

square

#63ACFA #FA63F8 #FAB163 #63FA65

split-complementary

#63ACFA #FA6563 #F8FA63

monochromatic

#076EDC #288CF8 #63ACFA #9ECCFC #DAEBFE

Accessibility & contrast

On white

2.38

#63ACFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#63ACFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACFA

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACFA	#FFFFFF	#000000	##000000
##63ACFA	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BB0FD

Deuteranopia (green-blind)

#77A1F8

Tritanopia (blue-blind)

#00BEC8

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63acfa;
/* rgb */ color: rgb(99, 172, 250);
/* oklch */ color: oklch(73.0% 0.136 251.6);

Tailwind

colors: {
  custom: {
    50: '#9bc4fc',
    500: '#63acfa',
    950: '#000000',
  },
}

SCSS

$custom: #63acfa;
$custom-light: #9bc4fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63acfa",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 250
  },
  "hsl": {
    "h": 210.993,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.7301,
    "c": 0.13569,
    "h": 251.6
  },
  "luminance": 0.3906
}

Semantic roles & 50–950 ramp

primary

#63ACFA

secondary

#F3DDC6

accent

#7700E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63ACFA

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

Preview Lab → · Contrast checker → · Palette generator →