#63C0DB#63C0DB

#63C0DB is a light, moderate cyan. Relative luminance 0.455; OKLCH L 76.1% C 0.096 H 219.2°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#63C0DB
RGB	rgb(99, 192, 219)
HSL	hsl(194, 63%, 62%)
HSV	hsv(194, 55%, 86%)
CMYK	cmyk(54.8%, 12.3%, 0%, 14.1%)
CIE-LAB	lab(73.20, -20.12, -21.93)
CIE-LCH	lch(73.20, 29.76, 227.47°)
OKLab	oklab(76.09% -0.0745 -0.0608)
OKLCH	oklch(76.09% 0.096 219.2)
XYZ	xyz(36.7764, 45.4630, 73.8413)
Luminance	0.4547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C0DB #DB7E63

analogous

#63DBBA #63C0DB #6384DB

triadic

#63C0DB #DB63C0 #C0DB63

tetradic

#63C0DB #BA63DB #DB7E63 #84DB63

square

#63C0DB #BA63DB #DB7E63 #84DB63

split-complementary

#63C0DB #DB6384 #DBBA63

monochromatic

#25839F #31ACD0 #63C0DB #95D4E6 #C6E8F2

Accessibility & contrast

On white

2.08

#63C0DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#63C0DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C0DB

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C0DB	#FFFFFF	#000000	##000000
##63C0DB	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFBBDC

Deuteranopia (green-blind)

#9DAEDB

Tritanopia (blue-blind)

#00C9C8

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63c0db;
/* rgb */ color: rgb(99, 192, 219);
/* oklch */ color: oklch(76.1% 0.096 219.2);

Tailwind

colors: {
  custom: {
    50: '#98d3e6',
    500: '#63c0db',
    950: '#000000',
  },
}

SCSS

$custom: #63c0db;
$custom-light: #98d3e6;
$custom-dark: #000000;

JSON

{
  "hex": "#63c0db",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 219
  },
  "hsl": {
    "h": 193.5,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.76094,
    "c": 0.09617,
    "h": 219.2
  },
  "luminance": 0.45466
}

Semantic roles & 50–950 ramp

primary

#63C0DB

secondary

#E3C1B7

accent

#431BCA

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1415

muted

#7E8284

Preview Lab

Preview with #63C0DB

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

Preview Lab → · Contrast checker → · Palette generator →