#63D7F0#63D7F0

#63D7F0 is a very light, moderate cyan. Relative luminance 0.575; OKLCH L 82.2% C 0.110 H 214.0°. Best body text is #000000 at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#63D7F0
RGB	rgb(99, 215, 240)
HSL	hsl(191, 82%, 66%)
HSV	hsv(191, 59%, 94%)
CMYK	cmyk(58.8%, 10.4%, 0%, 5.9%)
CIE-LAB	lab(80.48, -25.69, -22.14)
CIE-LCH	lch(80.48, 33.92, 220.76°)
OKLab	oklab(82.17% -0.091 -0.0614)
OKLCH	oklch(82.17% 0.11 214)
XYZ	xyz(45.1678, 57.5403, 91.1472)
Luminance	0.5755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D7F0 #F07C63

analogous

#63F0C3 #63D7F0 #6391F0

triadic

#63D7F0 #F063D7 #D7F063

tetradic

#63D7F0 #C363F0 #F07C63 #91F063

square

#63D7F0 #C363F0 #F07C63 #91F063

split-complementary

#63D7F0 #F06391 #F0C363

monochromatic

#13A6C6 #2BC9EB #63D7F0 #9BE5F5 #D3F4FB

Accessibility & contrast

On white

1.68

#63D7F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.51

#63D7F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D7F0

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D7F0	#FFFFFF	#000000	##000000
##63D7F0	1.00	1.68	12.51	12.51
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.51	21.00	1.00	1.00
##000000	12.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D1F1

Deuteranopia (green-blind)

#B0C1F0

Tritanopia (blue-blind)

#00E1DF

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #63d7f0;
/* rgb */ color: rgb(99, 215, 240);
/* oklch */ color: oklch(82.2% 0.110 214.0);

Tailwind

colors: {
  custom: {
    50: '#9ce3f5',
    500: '#63d7f0',
    950: '#000000',
  },
}

SCSS

$custom: #63d7f0;
$custom-light: #9ce3f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63d7f0",
  "rgb": {
    "r": 99,
    "g": 215,
    "b": 240
  },
  "hsl": {
    "h": 190.638,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.82167,
    "c": 0.10978,
    "h": 214
  },
  "luminance": 0.57545
}

Semantic roles & 50–950 ramp

primary

#63D7F0

secondary

#C34E34

accent

#2D07DF

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D7F0

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

Preview Lab → · Contrast checker → · Palette generator →