#63ADFA#63ADFA

#63ADFA is a light, vivid cyan. Relative luminance 0.394; OKLCH L 73.2% C 0.135 H 251.0°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#63ADFA
RGB	rgb(99, 173, 250)
HSL	hsl(211, 94%, 68%)
HSV	hsv(211, 60%, 98%)
CMYK	cmyk(60.4%, 30.8%, 0%, 2%)
CIE-LAB	lab(69.07, -0.48, -45.16)
CIE-LCH	lch(69.07, 45.16, 269.39°)
OKLab	oklab(73.23% -0.0439 -0.1275)
OKLCH	oklch(73.23% 0.135 251)
XYZ	xyz(37.3382, 39.4384, 96.0686)
Luminance	0.3944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADFA #FAB063

analogous

#63F9FA #63ADFA #6463FA

triadic

#63ADFA #FA63AD #ADFA63

tetradic

#63ADFA #FA63F9 #FAB063 #63FA64

square

#63ADFA #FA63F9 #FAB063 #63FA64

split-complementary

#63ADFA #FA6463 #F9FA63

monochromatic

#076FDC #288EF8 #63ADFA #9ECCFC #DAEBFE

Accessibility & contrast

On white

2.36

#63ADFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#63ADFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADFA

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADFA	#FFFFFF	#000000	##000000
##63ADFA	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CB1FD

Deuteranopia (green-blind)

#78A2F8

Tritanopia (blue-blind)

#00BFC8

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63adfa;
/* rgb */ color: rgb(99, 173, 250);
/* oklch */ color: oklch(73.2% 0.135 251.0);

Tailwind

colors: {
  custom: {
    50: '#9bc5fc',
    500: '#63adfa',
    950: '#000000',
  },
}

SCSS

$custom: #63adfa;
$custom-light: #9bc5fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63adfa",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 250
  },
  "hsl": {
    "h": 210.596,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.73227,
    "c": 0.13482,
    "h": 251
  },
  "luminance": 0.39442
}

Semantic roles & 50–950 ramp

primary

#63ADFA

secondary

#F3DDC6

accent

#7500E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63ADFA

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

Preview Lab → · Contrast checker → · Palette generator →