#63BCDB#63BCDB

#63BCDB is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.2% C 0.096 H 223.2°. Best body text is #000000 at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#63BCDB
RGB	rgb(99, 188, 219)
HSL	hsl(196, 63%, 62%)
HSV	hsv(196, 55%, 86%)
CMYK	cmyk(54.8%, 14.2%, 0%, 14.1%)
CIE-LAB	lab(72.05, -18.05, -23.68)
CIE-LCH	lch(72.05, 29.78, 232.68°)
OKLab	oklab(75.18% -0.0701 -0.0657)
OKLCH	oklch(75.18% 0.096 223.2)
XYZ	xyz(35.9101, 43.7303, 73.5525)
Luminance	0.4373 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCDB #DB8263

analogous

#63DBBE #63BCDB #6380DB

triadic

#63BCDB #DB63BC #BCDB63

tetradic

#63BCDB #BE63DB #DB8263 #80DB63

square

#63BCDB #BE63DB #DB8263 #80DB63

split-complementary

#63BCDB #DB6380 #DBBE63

monochromatic

#257F9F #31A7D0 #63BCDB #95D1E6 #C6E7F2

Accessibility & contrast

On white

2.15

#63BCDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.75

#63BCDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCDB

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCDB	#FFFFFF	#000000	##000000
##63BCDB	1.00	2.15	9.75	9.75
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.75	21.00	1.00	1.00
##000000	9.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB8DD

Deuteranopia (green-blind)

#99ABDB

Tritanopia (blue-blind)

#00C6C6

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #63bcdb;
/* rgb */ color: rgb(99, 188, 219);
/* oklch */ color: oklch(75.2% 0.096 223.2);

Tailwind

colors: {
  custom: {
    50: '#98d0e6',
    500: '#63bcdb',
    950: '#000000',
  },
}

SCSS

$custom: #63bcdb;
$custom-light: #98d0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcdb",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 219
  },
  "hsl": {
    "h": 195.5,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.75177,
    "c": 0.09612,
    "h": 223.2
  },
  "luminance": 0.43734
}

Semantic roles & 50–950 ramp

primary

#63BCDB

secondary

#E3C2B7

accent

#481BCA

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #63BCDB

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

Preview Lab → · Contrast checker → · Palette generator →