#63ADF2#63ADF2

#63ADF2 is a light, vivid cyan. Relative luminance 0.390; OKLCH L 72.8% C 0.125 H 248.4°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#63ADF2
RGB	rgb(99, 173, 242)
HSL	hsl(209, 85%, 67%)
HSV	hsv(209, 59%, 95%)
CMYK	cmyk(59.1%, 28.5%, 0%, 5.1%)
CIE-LAB	lab(68.71, -3.01, -41.36)
CIE-LCH	lch(68.71, 41.47, 265.84°)
OKLab	oklab(72.83% -0.0462 -0.1165)
OKLCH	oklch(72.83% 0.125 248.4)
XYZ	xyz(36.1103, 38.9473, 89.6018)
Luminance	0.3895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADF2 #F2A863

analogous

#63F2EF #63ADF2 #6366F2

triadic

#63ADF2 #F263AD #ADF263

tetradic

#63ADF2 #EF63F2 #F2A863 #66F263

square

#63ADF2 #EF63F2 #F2A863 #66F263

split-complementary

#63ADF2 #F26366 #F2EF63

monochromatic

#1171CA #2B8FED #63ADF2 #9BCBF7 #D4E8FB

Accessibility & contrast

On white

2.39

#63ADF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#63ADF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADF2

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADF2	#FFFFFF	#000000	##000000
##63ADF2	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90AFF5

Deuteranopia (green-blind)

#7CA1F1

Tritanopia (blue-blind)

#00BDC5

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63adf2;
/* rgb */ color: rgb(99, 173, 242);
/* oklch */ color: oklch(72.8% 0.125 248.4);

Tailwind

colors: {
  custom: {
    50: '#9ac5f6',
    500: '#63adf2',
    950: '#000000',
  },
}

SCSS

$custom: #63adf2;
$custom-light: #9ac5f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63adf2",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 242
  },
  "hsl": {
    "h": 208.951,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.72831,
    "c": 0.12529,
    "h": 248.4
  },
  "luminance": 0.38951
}

Semantic roles & 50–950 ramp

primary

#63ADF2

secondary

#EFD8C2

accent

#6F04E1

background

#FAFCFF

surface

#F3F8FE

border

#CDD1D6

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63ADF2

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

Preview Lab → · Contrast checker → · Palette generator →