#63C3DB#63C3DB

#63C3DB is a light, moderate cyan. Relative luminance 0.468; OKLCH L 76.8% C 0.097 H 216.3°. Best body text is #000000 at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#63C3DB
RGB	rgb(99, 195, 219)
HSL	hsl(192, 63%, 62%)
HSV	hsv(192, 55%, 86%)
CMYK	cmyk(54.8%, 11%, 0%, 14.1%)
CIE-LAB	lab(74.06, -21.65, -20.62)
CIE-LCH	lch(74.06, 29.90, 223.60°)
OKLab	oklab(76.78% -0.0778 -0.0571)
OKLCH	oklch(76.78% 0.097 216.3)
XYZ	xyz(37.4419, 46.7939, 74.0631)
Luminance	0.4680 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C3DB #DB7B63

analogous

#63DBB7 #63C3DB #6387DB

triadic

#63C3DB #DB63C3 #C3DB63

tetradic

#63C3DB #B763DB #DB7B63 #87DB63

square

#63C3DB #B763DB #DB7B63 #87DB63

split-complementary

#63C3DB #DB6387 #DBB763

monochromatic

#25869F #31B0D0 #63C3DB #95D6E6 #C6E9F2

Accessibility & contrast

On white

2.03

#63C3DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.36

#63C3DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C3DB

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C3DB	#FFFFFF	#000000	##000000
##63C3DB	1.00	2.03	10.36	10.36
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.36	21.00	1.00	1.00
##000000	10.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3BEDC

Deuteranopia (green-blind)

#A1B0DB

Tritanopia (blue-blind)

#00CCCA

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #63c3db;
/* rgb */ color: rgb(99, 195, 219);
/* oklch */ color: oklch(76.8% 0.097 216.3);

Tailwind

colors: {
  custom: {
    50: '#99d5e6',
    500: '#63c3db',
    950: '#000000',
  },
}

SCSS

$custom: #63c3db;
$custom-light: #99d5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#63c3db",
  "rgb": {
    "r": 99,
    "g": 195,
    "b": 219
  },
  "hsl": {
    "h": 192,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.76783,
    "c": 0.09651,
    "h": 216.3
  },
  "luminance": 0.46797
}

Semantic roles & 50–950 ramp

primary

#63C3DB

secondary

#E3C0B7

accent

#3E1BCA

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0F1415

muted

#7E8384

Preview Lab

Preview with #63C3DB

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

Preview Lab → · Contrast checker → · Palette generator →