#63B2DB#63B2DB

#63B2DB is a light, moderate cyan. Relative luminance 0.396; OKLCH L 72.9% C 0.098 H 232.9°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#63B2DB
RGB	rgb(99, 178, 219)
HSL	hsl(201, 63%, 62%)
HSV	hsv(201, 55%, 86%)
CMYK	cmyk(54.8%, 18.7%, 0%, 14.1%)
CIE-LAB	lab(69.19, -12.78, -28.06)
CIE-LCH	lch(69.19, 30.84, 245.51°)
OKLab	oklab(72.9% -0.0591 -0.0782)
OKLCH	oklch(72.9% 0.098 232.9)
XYZ	xyz(33.8474, 39.6049, 72.8649)
Luminance	0.3961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2DB #DB8C63

analogous

#63DBC8 #63B2DB #6376DB

triadic

#63B2DB #DB63B2 #B2DB63

tetradic

#63B2DB #C863DB #DB8C63 #76DB63

square

#63B2DB #C863DB #DB8C63 #76DB63

split-complementary

#63B2DB #DB6376 #DBC863

monochromatic

#25759F #3199D0 #63B2DB #95CBE6 #C6E3F2

Accessibility & contrast

On white

2.35

#63B2DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#63B2DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2DB

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2DB	#FFFFFF	#000000	##000000
##63B2DB	1.00	2.35	8.92	8.92
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB0DD

Deuteranopia (green-blind)

#8DA3DA

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63b2db;
/* rgb */ color: rgb(99, 178, 219);
/* oklch */ color: oklch(72.9% 0.098 232.9);

Tailwind

colors: {
  custom: {
    50: '#98c9e6',
    500: '#63b2db',
    950: '#000000',
  },
}

SCSS

$custom: #63b2db;
$custom-light: #98c9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2db",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 219
  },
  "hsl": {
    "h": 200.5,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.72898,
    "c": 0.09799,
    "h": 232.9
  },
  "luminance": 0.39608
}

Semantic roles & 50–950 ramp

primary

#63B2DB

secondary

#E3C6B7

accent

#571BCA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #63B2DB

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

Preview Lab → · Contrast checker → · Palette generator →