#63C8E0#63C8E0

#63C8E0 is a light, moderate cyan. Relative luminance 0.493; OKLCH L 78.1% C 0.100 H 215.5°. Best body text is #000000 at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#63C8E0
RGB	rgb(99, 200, 224)
HSL	hsl(192, 67%, 63%)
HSV	hsv(192, 56%, 88%)
CMYK	cmyk(55.8%, 10.7%, 0%, 12.2%)
CIE-LAB	lab(75.66, -22.76, -20.89)
CIE-LCH	lch(75.66, 30.89, 222.54°)
OKLab	oklab(78.12% -0.0813 -0.0579)
OKLCH	oklch(78.12% 0.1 215.5)
XYZ	xyz(39.2491, 49.3393, 77.9616)
Luminance	0.4934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8E0 #E07B63

analogous

#63E0B9 #63C8E0 #6389E0

triadic

#63C8E0 #E063C8 #C8E063

tetradic

#63C8E0 #B963E0 #E07B63 #89E063

square

#63C8E0 #B963E0 #E07B63 #89E063

split-complementary

#63C8E0 #E06389 #E0B963

monochromatic

#218EA7 #30B6D6 #63C8E0 #96DAEA #C9ECF4

Accessibility & contrast

On white

1.93

#63C8E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.87

#63C8E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8E0

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8E0	#FFFFFF	#000000	##000000
##63C8E0	1.00	1.93	10.87	10.87
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.87	21.00	1.00	1.00
##000000	10.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C2E1

Deuteranopia (green-blind)

#A4B4E0

Tritanopia (blue-blind)

#00D1CF

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c8e0;
/* rgb */ color: rgb(99, 200, 224);
/* oklch */ color: oklch(78.1% 0.100 215.5);

Tailwind

colors: {
  custom: {
    50: '#99d9e9',
    500: '#63c8e0',
    950: '#000000',
  },
}

SCSS

$custom: #63c8e0;
$custom-light: #99d9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8e0",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 224
  },
  "hsl": {
    "h": 191.52,
    "s": 66.845,
    "l": 63.333
  },
  "oklch": {
    "l": 0.78124,
    "c": 0.09978,
    "h": 215.5
  },
  "luminance": 0.49343
}

Semantic roles & 50–950 ramp

primary

#63C8E0

secondary

#E6C2B9

accent

#3A17CF

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C8E0

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

Preview Lab → · Contrast checker → · Palette generator →