#63CCE3#63CCE3

#63CCE3 is a light, moderate cyan. Relative luminance 0.514; OKLCH L 79.2% C 0.102 H 214.1°. Best body text is #000000 at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#63CCE3
RGB	rgb(99, 204, 227)
HSL	hsl(191, 70%, 64%)
HSV	hsv(191, 56%, 89%)
CMYK	cmyk(56.4%, 10.1%, 0%, 11%)
CIE-LAB	lab(76.91, -23.92, -20.61)
CIE-LCH	lch(76.91, 31.57, 220.75°)
OKLab	oklab(79.16% -0.0844 -0.0571)
OKLCH	oklch(79.16% 0.102 214.1)
XYZ	xyz(40.5980, 51.3805, 80.4361)
Luminance	0.5138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CCE3 #E37A63

analogous

#63E3BA #63CCE3 #638CE3

triadic

#63CCE3 #E363CC #CCE363

tetradic

#63CCE3 #BA63E3 #E37A63 #8CE363

square

#63CCE3 #BA63E3 #E37A63 #8CE363

split-complementary

#63CCE3 #E3638C #E3BA63

monochromatic

#1F93AD #2FBBDA #63CCE3 #97DDEC #CBEEF6

Accessibility & contrast

On white

1.86

#63CCE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.28

#63CCE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CCE3

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CCE3	#FFFFFF	#000000	##000000
##63CCE3	1.00	1.86	11.28	11.28
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.28	21.00	1.00	1.00
##000000	11.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC6E4

Deuteranopia (green-blind)

#A8B8E3

Tritanopia (blue-blind)

#00D5D3

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #63cce3;
/* rgb */ color: rgb(99, 204, 227);
/* oklch */ color: oklch(79.2% 0.102 214.1);

Tailwind

colors: {
  custom: {
    50: '#9adbeb',
    500: '#63cce3',
    950: '#000000',
  },
}

SCSS

$custom: #63cce3;
$custom-light: #9adbeb;
$custom-dark: #000000;

JSON

{
  "hex": "#63cce3",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 227
  },
  "hsl": {
    "h": 190.781,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.79157,
    "c": 0.10192,
    "h": 214.1
  },
  "luminance": 0.51384
}

Semantic roles & 50–950 ramp

primary

#63CCE3

secondary

#AE513C

accent

#3614D2

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0F1516

muted

#808484

Preview Lab

Preview with #63CCE3

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

Preview Lab → · Contrast checker → · Palette generator →