#63E2FF#63E2FF

#63E2FF is a very light, moderate cyan. Relative luminance 0.643; OKLCH L 85.2% C 0.118 H 215.3°. Best body text is #000000 at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#63E2FF
RGB	rgb(99, 226, 255)
HSL	hsl(191, 100%, 69%)
HSV	hsv(191, 61%, 100%)
CMYK	cmyk(61.2%, 11.4%, 0%, 0%)
CIE-LAB	lab(84.10, -26.81, -24.59)
CIE-LCH	lch(84.10, 36.38, 222.53°)
OKLab	oklab(85.24% -0.0965 -0.0683)
OKLCH	oklch(85.24% 0.118 215.3)
XYZ	xyz(50.3846, 64.2601, 104.3365)
Luminance	0.6427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63E2FF #FF8063

analogous

#63FFCE #63E2FF #6394FF

triadic

#63E2FF #FF63E2 #E2FF63

tetradic

#63E2FF #CE63FF #FF8063 #94FF63

square

#63E2FF #CE63FF #FF8063 #94FF63

split-complementary

#63E2FF #FF6394 #FFCE63

monochromatic

#00BDE8 #26D7FF #63E2FF #A0EDFF #DDF9FF

Accessibility & contrast

On white

1.52

#63E2FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.85

#63E2FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63E2FF

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63E2FF	#FFFFFF	#000000	##000000
##63E2FF	1.00	1.52	13.85	13.85
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.85	21.00	1.00	1.00
##000000	13.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEDBFF

Deuteranopia (green-blind)

#B7CAFF

Tritanopia (blue-blind)

#00EDEB

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #63e2ff;
/* rgb */ color: rgb(99, 226, 255);
/* oklch */ color: oklch(85.2% 0.118 215.3);

Tailwind

colors: {
  custom: {
    50: '#9eebff',
    500: '#63e2ff',
    950: '#000000',
  },
}

SCSS

$custom: #63e2ff;
$custom-light: #9eebff;
$custom-dark: #000000;

JSON

{
  "hex": "#63e2ff",
  "rgb": {
    "r": 99,
    "g": 226,
    "b": 255
  },
  "hsl": {
    "h": 191.154,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.85236,
    "c": 0.11826,
    "h": 215.3
  },
  "luminance": 0.64265
}

Semantic roles & 50–950 ramp

primary

#63E2FF

secondary

#DA4D2C

accent

#2B00E6

background

#FDFEFF

surface

#F7FDFF

border

#D0D5D7

text

#101618

muted

#818486

Preview Lab

Preview with #63E2FF

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

Preview Lab → · Contrast checker → · Palette generator →