#63E5FF#63E5FF

#63E5FF is a very light, moderate cyan. Relative luminance 0.659; OKLCH L 85.9% C 0.119 H 213.0°. Best body text is #000000 at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#63E5FF
RGB	rgb(99, 229, 255)
HSL	hsl(190, 100%, 69%)
HSV	hsv(190, 61%, 100%)
CMYK	cmyk(61.2%, 10.2%, 0%, 0%)
CIE-LAB	lab(84.95, -28.27, -23.30)
CIE-LCH	lch(84.95, 36.64, 219.49°)
OKLab	oklab(85.92% -0.0996 -0.0647)
OKLCH	oklch(85.92% 0.119 213)
XYZ	xyz(51.2075, 65.9059, 104.6108)
Luminance	0.6591 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63E5FF #FF7D63

analogous

#63FFCB #63E5FF #6397FF

triadic

#63E5FF #FF63E5 #E5FF63

tetradic

#63E5FF #CB63FF #FF7D63 #97FF63

square

#63E5FF #CB63FF #FF7D63 #97FF63

split-complementary

#63E5FF #FF6397 #FFCB63

monochromatic

#00C1E8 #26DBFF #63E5FF #A0EFFF #DDF9FF

Accessibility & contrast

On white

1.48

#63E5FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.18

#63E5FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63E5FF

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63E5FF	#FFFFFF	#000000	##000000
##63E5FF	1.00	1.48	14.18	14.18
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.18	21.00	1.00	1.00
##000000	14.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1DEFF

Deuteranopia (green-blind)

#BACDFF

Tritanopia (blue-blind)

#00EFED

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #63e5ff;
/* rgb */ color: rgb(99, 229, 255);
/* oklch */ color: oklch(85.9% 0.119 213.0);

Tailwind

colors: {
  custom: {
    50: '#9eedff',
    500: '#63e5ff',
    950: '#000000',
  },
}

SCSS

$custom: #63e5ff;
$custom-light: #9eedff;
$custom-dark: #000000;

JSON

{
  "hex": "#63e5ff",
  "rgb": {
    "r": 99,
    "g": 229,
    "b": 255
  },
  "hsl": {
    "h": 190,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.85917,
    "c": 0.11873,
    "h": 213
  },
  "luminance": 0.65911
}

Semantic roles & 50–950 ramp

primary

#63E5FF

secondary

#DA492C

accent

#2600E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101618

muted

#818586

Preview Lab

Preview with #63E5FF

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

Preview Lab → · Contrast checker → · Palette generator →