#63B3DB#63B3DB

#63B3DB is a light, moderate cyan. Relative luminance 0.400; OKLCH L 73.1% C 0.098 H 232.0°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#63B3DB
RGB	rgb(99, 179, 219)
HSL	hsl(200, 63%, 62%)
HSV	hsv(200, 55%, 86%)
CMYK	cmyk(54.8%, 18.3%, 0%, 14.1%)
CIE-LAB	lab(69.47, -13.32, -27.62)
CIE-LCH	lch(69.47, 30.67, 244.26°)
OKLab	oklab(73.13% -0.0602 -0.0769)
OKLCH	oklch(73.13% 0.098 232)
XYZ	xyz(34.0471, 40.0043, 72.9315)
Luminance	0.4001 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B3DB #DB8B63

analogous

#63DBC7 #63B3DB #6377DB

triadic

#63B3DB #DB63B3 #B3DB63

tetradic

#63B3DB #C763DB #DB8B63 #77DB63

square

#63B3DB #C763DB #DB8B63 #77DB63

split-complementary

#63B3DB #DB6377 #DBC763

monochromatic

#25769F #319BD0 #63B3DB #95CBE6 #C6E3F2

Accessibility & contrast

On white

2.33

#63B3DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#63B3DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B3DB

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B3DB	#FFFFFF	#000000	##000000
##63B3DB	1.00	2.33	9.00	9.00
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.00	21.00	1.00	1.00
##000000	9.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB1DD

Deuteranopia (green-blind)

#8EA4DA

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63b3db;
/* rgb */ color: rgb(99, 179, 219);
/* oklch */ color: oklch(73.1% 0.098 232.0);

Tailwind

colors: {
  custom: {
    50: '#98c9e6',
    500: '#63b3db',
    950: '#000000',
  },
}

SCSS

$custom: #63b3db;
$custom-light: #98c9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#63b3db",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 219
  },
  "hsl": {
    "h": 200,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.73125,
    "c": 0.09767,
    "h": 232
  },
  "luminance": 0.40007
}

Semantic roles & 50–950 ramp

primary

#63B3DB

secondary

#E3C6B7

accent

#561BCA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #63B3DB

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

Preview Lab → · Contrast checker → · Palette generator →