#63C3DC#63C3DC

#63C3DC is a light, moderate cyan. Relative luminance 0.469; OKLCH L 76.8% C 0.097 H 217.1°. Best body text is #000000 at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#63C3DC
RGB	rgb(99, 195, 220)
HSL	hsl(192, 63%, 63%)
HSV	hsv(192, 55%, 86%)
CMYK	cmyk(55%, 11.4%, 0%, 13.7%)
CIE-LAB	lab(74.09, -21.37, -21.11)
CIE-LCH	lch(74.09, 30.03, 224.65°)
OKLab	oklab(76.82% -0.0774 -0.0585)
OKLCH	oklch(76.82% 0.097 217.1)
XYZ	xyz(37.5739, 46.8467, 74.7585)
Luminance	0.4685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C3DC #DC7C63

analogous

#63DCB9 #63C3DC #6386DC

triadic

#63C3DC #DC63C3 #C3DC63

tetradic

#63C3DC #B963DC #DC7C63 #86DC63

square

#63C3DC #B963DC #DC7C63 #86DC63

split-complementary

#63C3DC #DC6386 #DCB963

monochromatic

#2487A1 #31B0D1 #63C3DC #95D6E7 #C7E9F2

Accessibility & contrast

On white

2.03

#63C3DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.37

#63C3DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C3DC

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C3DC	#FFFFFF	#000000	##000000
##63C3DC	1.00	2.03	10.37	10.37
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.37	21.00	1.00	1.00
##000000	10.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2BEDD

Deuteranopia (green-blind)

#A0B0DC

Tritanopia (blue-blind)

#00CCCB

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #63c3dc;
/* rgb */ color: rgb(99, 195, 220);
/* oklch */ color: oklch(76.8% 0.097 217.1);

Tailwind

colors: {
  custom: {
    50: '#99d5e6',
    500: '#63c3dc',
    950: '#000000',
  },
}

SCSS

$custom: #63c3dc;
$custom-light: #99d5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#63c3dc",
  "rgb": {
    "r": 99,
    "g": 195,
    "b": 220
  },
  "hsl": {
    "h": 192.397,
    "s": 63.351,
    "l": 62.549
  },
  "oklch": {
    "l": 0.76822,
    "c": 0.09702,
    "h": 217.1
  },
  "luminance": 0.4685
}

Semantic roles & 50–950 ramp

primary

#63C3DC

secondary

#E3C0B7

accent

#3F1ACB

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0F1416

muted

#7E8384

Preview Lab

Preview with #63C3DC

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

Preview Lab → · Contrast checker → · Palette generator →