#63BFDD#63BFDD

#63BFDD is a light, moderate cyan. Relative luminance 0.451; OKLCH L 75.9% C 0.097 H 221.7°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#63BFDD
RGB	rgb(99, 191, 221)
HSL	hsl(195, 64%, 63%)
HSV	hsv(195, 55%, 87%)
CMYK	cmyk(55.2%, 13.6%, 0%, 13.3%)
CIE-LAB	lab(72.98, -19.03, -23.35)
CIE-LCH	lch(72.98, 30.12, 230.82°)
OKLab	oklab(75.94% -0.0727 -0.0648)
OKLCH	oklch(75.94% 0.097 221.7)
XYZ	xyz(36.8225, 45.1313, 75.1633)
Luminance	0.4513 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFDD #DD8163

analogous

#63DDBE #63BFDD #6382DD

triadic

#63BFDD #DD63BF #BFDD63

tetradic

#63BFDD #BE63DD #DD8163 #82DD63

square

#63BFDD #BE63DD #DD8163 #82DD63

split-complementary

#63BFDD #DD6382 #DDBE63

monochromatic

#2383A2 #31AAD2 #63BFDD #95D4E8 #C7E8F3

Accessibility & contrast

On white

2.09

#63BFDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#63BFDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFDD

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFDD	#FFFFFF	#000000	##000000
##63BFDD	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBBDF

Deuteranopia (green-blind)

#9BADDD

Tritanopia (blue-blind)

#00C9C8

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bfdd;
/* rgb */ color: rgb(99, 191, 221);
/* oklch */ color: oklch(75.9% 0.097 221.7);

Tailwind

colors: {
  custom: {
    50: '#99d2e7',
    500: '#63bfdd',
    950: '#000000',
  },
}

SCSS

$custom: #63bfdd;
$custom-light: #99d2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfdd",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 221
  },
  "hsl": {
    "h": 194.754,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.75943,
    "c": 0.09736,
    "h": 221.7
  },
  "luminance": 0.45135
}

Semantic roles & 50–950 ramp

primary

#63BFDD

secondary

#E4C3B8

accent

#4519CC

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63BFDD

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

Preview Lab → · Contrast checker → · Palette generator →