#63ECFF#63ECFF

#63ECFF is a very light, vivid teal. Relative luminance 0.699; OKLCH L 87.5% C 0.121 H 207.8°. Best body text is #000000 at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#63ECFF
RGB	rgb(99, 236, 255)
HSL	hsl(187, 100%, 69%)
HSV	hsv(187, 61%, 100%)
CMYK	cmyk(61.2%, 7.5%, 0%, 0%)
CIE-LAB	lab(86.93, -31.63, -20.30)
CIE-LCH	lch(86.93, 37.59, 212.69°)
OKLab	oklab(87.51% -0.1066 -0.0563)
OKLCH	oklch(87.51% 0.121 207.8)
XYZ	xyz(53.1835, 69.8580, 105.2695)
Luminance	0.6986 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ECFF #FF7663

analogous

#63FFC4 #63ECFF #639EFF

triadic

#63ECFF #FF63EC #ECFF63

tetradic

#63ECFF #C463FF #FF7663 #9EFF63

square

#63ECFF #C463FF #FF7663 #9EFF63

split-complementary

#63ECFF #FF639E #FFC463

monochromatic

#00CBE8 #26E5FF #63ECFF #A0F3FF #DDFBFF

Accessibility & contrast

On white

1.40

#63ECFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.97

#63ECFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ECFF

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ECFF	#FFFFFF	#000000	##000000
##63ECFF	1.00	1.40	14.97	14.97
#FFFFFF	1.40	1.00	21.00	21.00
#000000	14.97	21.00	1.00	1.00
##000000	14.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9E4FF

Deuteranopia (green-blind)

#C2D2FF

Tritanopia (blue-blind)

#00F6F2

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #63ecff;
/* rgb */ color: rgb(99, 236, 255);
/* oklch */ color: oklch(87.5% 0.121 207.8);

Tailwind

colors: {
  custom: {
    50: '#9ff2ff',
    500: '#63ecff',
    950: '#000000',
  },
}

SCSS

$custom: #63ecff;
$custom-light: #9ff2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63ecff",
  "rgb": {
    "r": 99,
    "g": 236,
    "b": 255
  },
  "hsl": {
    "h": 187.308,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.87508,
    "c": 0.12055,
    "h": 207.8
  },
  "luminance": 0.69864
}

Semantic roles & 50–950 ramp

primary

#63ECFF

secondary

#DA412C

accent

#1C00E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101718

muted

#818586

Preview Lab

Preview with #63ECFF

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

Preview Lab → · Contrast checker → · Palette generator →