#63B6DD#63B6DD

#63B6DD is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.9% C 0.099 H 230.4°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#63B6DD
RGB	rgb(99, 182, 221)
HSL	hsl(199, 64%, 63%)
HSV	hsv(199, 55%, 87%)
CMYK	cmyk(55.2%, 17.6%, 0%, 13.3%)
CIE-LAB	lab(70.40, -14.32, -27.29)
CIE-LCH	lch(70.40, 30.82, 242.31°)
OKLab	oklab(73.89% -0.0628 -0.076)
OKLCH	oklch(73.89% 0.099 230.4)
XYZ	xyz(34.9197, 41.3259, 74.5291)
Luminance	0.4133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B6DD #DD8A63

analogous

#63DDC7 #63B6DD #6379DD

triadic

#63B6DD #DD63B6 #B6DD63

tetradic

#63B6DD #C763DD #DD8A63 #79DD63

square

#63B6DD #C763DD #DD8A63 #79DD63

split-complementary

#63B6DD #DD6379 #DDC763

monochromatic

#237AA2 #319ED2 #63B6DD #95CEE8 #C7E5F3

Accessibility & contrast

On white

2.27

#63B6DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.27

#63B6DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B6DD

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B6DD	#FFFFFF	#000000	##000000
##63B6DD	1.00	2.27	9.27	9.27
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.27	21.00	1.00	1.00
##000000	9.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B4DF

Deuteranopia (green-blind)

#91A6DC

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b6dd;
/* rgb */ color: rgb(99, 182, 221);
/* oklch */ color: oklch(73.9% 0.099 230.4);

Tailwind

colors: {
  custom: {
    50: '#98cbe7',
    500: '#63b6dd',
    950: '#000000',
  },
}

SCSS

$custom: #63b6dd;
$custom-light: #98cbe7;
$custom-dark: #000000;

JSON

{
  "hex": "#63b6dd",
  "rgb": {
    "r": 99,
    "g": 182,
    "b": 221
  },
  "hsl": {
    "h": 199.18,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.7389,
    "c": 0.09855,
    "h": 230.4
  },
  "luminance": 0.41329
}

Semantic roles & 50–950 ramp

primary

#63B6DD

secondary

#E4C6B8

accent

#5319CC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #63B6DD

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

Preview Lab → · Contrast checker → · Palette generator →