#63ECF0#63ECF0

#63ECF0 is a very light, moderate teal. Relative luminance 0.689; OKLCH L 87.0% C 0.118 H 197.9°. Best body text is #000000 at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#63ECF0
RGB	rgb(99, 236, 240)
HSL	hsl(182, 82%, 66%)
HSV	hsv(182, 59%, 94%)
CMYK	cmyk(58.8%, 1.7%, 0%, 5.9%)
CIE-LAB	lab(86.47, -35.74, -13.12)
CIE-LCH	lch(86.47, 38.07, 200.16°)
OKLab	oklab(86.99% -0.1126 -0.0363)
OKLCH	oklch(86.99% 0.118 197.9)
XYZ	xyz(50.8625, 68.9295, 93.0454)
Luminance	0.6894 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ECF0 #F06763

analogous

#63F0AE #63ECF0 #63A6F0

triadic

#63ECF0 #F063EC #ECF063

tetradic

#63ECF0 #AE63F0 #F06763 #A6F063

square

#63ECF0 #AE63F0 #F06763 #A6F063

split-complementary

#63ECF0 #F063A6 #F0AE63

monochromatic

#13C1C6 #2BE5EB #63ECF0 #9BF3F5 #D3FAFB

Accessibility & contrast

On white

1.42

#63ECF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.79

#63ECF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ECF0

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ECF0	#FFFFFF	#000000	##000000
##63ECF0	1.00	1.42	14.79	14.79
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.79	21.00	1.00	1.00
##000000	14.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDE2F1

Deuteranopia (green-blind)

#C7D1F1

Tritanopia (blue-blind)

#00F3ED

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #63ecf0;
/* rgb */ color: rgb(99, 236, 240);
/* oklch */ color: oklch(87.0% 0.118 197.9);

Tailwind

colors: {
  custom: {
    50: '#9df2f4',
    500: '#63ecf0',
    950: '#000000',
  },
}

SCSS

$custom: #63ecf0;
$custom-light: #9df2f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63ecf0",
  "rgb": {
    "r": 99,
    "g": 236,
    "b": 240
  },
  "hsl": {
    "h": 181.702,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.86987,
    "c": 0.11833,
    "h": 197.9
  },
  "luminance": 0.68935
}

Semantic roles & 50–950 ramp

primary

#63ECF0

secondary

#C33834

accent

#0D07DF

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101717

muted

#808585

Preview Lab

Preview with #63ECF0

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

Preview Lab → · Contrast checker → · Palette generator →