#63D0F0#63D0F0

#63D0F0 is a light, moderate cyan. Relative luminance 0.541; OKLCH L 80.6% C 0.109 H 219.9°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#63D0F0
RGB	rgb(99, 208, 240)
HSL	hsl(194, 82%, 66%)
HSV	hsv(194, 59%, 94%)
CMYK	cmyk(58.8%, 13.3%, 0%, 5.9%)
CIE-LAB	lab(78.49, -22.20, -25.17)
CIE-LCH	lch(78.49, 33.56, 228.59°)
OKLab	oklab(80.57% -0.0837 -0.07)
OKLCH	oklch(80.57% 0.109 219.9)
XYZ	xyz(43.4234, 54.0514, 90.5657)
Luminance	0.5406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D0F0 #F08363

analogous

#63F0CA #63D0F0 #638AF0

triadic

#63D0F0 #F063D0 #D0F063

tetradic

#63D0F0 #CA63F0 #F08363 #8AF063

square

#63D0F0 #CA63F0 #F08363 #8AF063

split-complementary

#63D0F0 #F0638A #F0CA63

monochromatic

#139DC6 #2BBFEB #63D0F0 #9BE1F5 #D3F2FB

Accessibility & contrast

On white

1.78

#63D0F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.81

#63D0F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D0F0

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D0F0	#FFFFFF	#000000	##000000
##63D0F0	1.00	1.78	11.81	11.81
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.81	21.00	1.00	1.00
##000000	11.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCBF2

Deuteranopia (green-blind)

#A8BCF0

Tritanopia (blue-blind)

#00DBDA

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #63d0f0;
/* rgb */ color: rgb(99, 208, 240);
/* oklch */ color: oklch(80.6% 0.109 219.9);

Tailwind

colors: {
  custom: {
    50: '#9bdef5',
    500: '#63d0f0',
    950: '#000000',
  },
}

SCSS

$custom: #63d0f0;
$custom-light: #9bdef5;
$custom-dark: #000000;

JSON

{
  "hex": "#63d0f0",
  "rgb": {
    "r": 99,
    "g": 208,
    "b": 240
  },
  "hsl": {
    "h": 193.617,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.80571,
    "c": 0.10909,
    "h": 219.9
  },
  "luminance": 0.54056
}

Semantic roles & 50–950 ramp

primary

#63D0F0

secondary

#C35534

accent

#3807DF

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D0F0

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

Preview Lab → · Contrast checker → · Palette generator →