#63ADF6#63ADF6

#63ADF6 is a light, vivid cyan. Relative luminance 0.392; OKLCH L 73.0% C 0.130 H 249.7°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#63ADF6
RGB	rgb(99, 173, 246)
HSL	hsl(210, 89%, 68%)
HSV	hsv(210, 60%, 96%)
CMYK	cmyk(59.8%, 29.7%, 0%, 3.5%)
CIE-LAB	lab(68.89, -1.75, -43.26)
CIE-LCH	lch(68.89, 43.30, 267.69°)
OKLab	oklab(73.03% -0.045 -0.122)
OKLCH	oklch(73.03% 0.13 249.7)
XYZ	xyz(36.7177, 39.1902, 92.8004)
Luminance	0.3919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADF6 #F6AC63

analogous

#63F6F6 #63ADF6 #6363F6

triadic

#63ADF6 #F663AD #ADF663

tetradic

#63ADF6 #F663F6 #F6AC63 #63F663

square

#63ADF6 #F663F6 #F6AC63 #63F663

split-complementary

#63ADF6 #F66363 #F6F663

monochromatic

#0C70D2 #298FF3 #63ADF6 #9DCBF9 #D7EAFD

Accessibility & contrast

On white

2.38

#63ADF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#63ADF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADF6

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADF6	#FFFFFF	#000000	##000000
##63ADF6	1.00	2.38	8.84	8.84
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EB0F9

Deuteranopia (green-blind)

#7AA2F5

Tritanopia (blue-blind)

#00BEC7

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63adf6;
/* rgb */ color: rgb(99, 173, 246);
/* oklch */ color: oklch(73.0% 0.130 249.7);

Tailwind

colors: {
  custom: {
    50: '#9bc5f9',
    500: '#63adf6',
    950: '#000000',
  },
}

SCSS

$custom: #63adf6;
$custom-light: #9bc5f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63adf6",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 246
  },
  "hsl": {
    "h": 209.796,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.73027,
    "c": 0.13002,
    "h": 249.7
  },
  "luminance": 0.39194
}

Semantic roles & 50–950 ramp

primary

#63ADF6

secondary

#F1DAC4

accent

#7200E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63ADF6

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

Preview Lab → · Contrast checker → · Palette generator →