#63B6DB#63B6DB

#63B6DB is a light, moderate cyan. Relative luminance 0.412; OKLCH L 73.8% C 0.097 H 229.1°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#63B6DB
RGB	rgb(99, 182, 219)
HSL	hsl(199, 63%, 62%)
HSV	hsv(199, 55%, 86%)
CMYK	cmyk(54.8%, 16.9%, 0%, 14.1%)
CIE-LAB	lab(70.33, -14.91, -26.31)
CIE-LCH	lch(70.33, 30.24, 240.46°)
OKLab	oklab(73.81% -0.0635 -0.0732)
OKLCH	oklch(73.81% 0.097 229.1)
XYZ	xyz(34.6549, 41.2199, 73.1341)
Luminance	0.4122 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B6DB #DB8863

analogous

#63DBC4 #63B6DB #637ADB

triadic

#63B6DB #DB63B6 #B6DB63

tetradic

#63B6DB #C463DB #DB8863 #7ADB63

square

#63B6DB #C463DB #DB8863 #7ADB63

split-complementary

#63B6DB #DB637A #DBC463

monochromatic

#25799F #319FD0 #63B6DB #95CDE6 #C6E5F2

Accessibility & contrast

On white

2.27

#63B6DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.24

#63B6DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B6DB

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B6DB	#FFFFFF	#000000	##000000
##63B6DB	1.00	2.27	9.24	9.24
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.24	21.00	1.00	1.00
##000000	9.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B3DD

Deuteranopia (green-blind)

#92A6DB

Tritanopia (blue-blind)

#00C1C2

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b6db;
/* rgb */ color: rgb(99, 182, 219);
/* oklch */ color: oklch(73.8% 0.097 229.1);

Tailwind

colors: {
  custom: {
    50: '#98cce6',
    500: '#63b6db',
    950: '#000000',
  },
}

SCSS

$custom: #63b6db;
$custom-light: #98cce6;
$custom-dark: #000000;

JSON

{
  "hex": "#63b6db",
  "rgb": {
    "r": 99,
    "g": 182,
    "b": 219
  },
  "hsl": {
    "h": 198.5,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.73807,
    "c": 0.0969,
    "h": 229.1
  },
  "luminance": 0.41223
}

Semantic roles & 50–950 ramp

primary

#63B6DB

secondary

#E3C4B7

accent

#511BCA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #63B6DB

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

Preview Lab → · Contrast checker → · Palette generator →