#63BDEB#63BDEB

#63BDEB is a light, moderate cyan. Relative luminance 0.450; OKLCH L 76.1% C 0.109 H 232.9°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#63BDEB
RGB	rgb(99, 189, 235)
HSL	hsl(200, 77%, 65%)
HSV	hsv(200, 58%, 92%)
CMYK	cmyk(57.9%, 19.6%, 0%, 7.8%)
CIE-LAB	lab(72.92, -13.86, -31.03)
CIE-LCH	lch(72.92, 33.98, 245.93°)
OKLab	oklab(76.07% -0.0654 -0.0866)
OKLCH	oklch(76.07% 0.109 232.9)
XYZ	xyz(38.3329, 45.0424, 85.2551)
Luminance	0.4505 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BDEB #EB9163

analogous

#63EBD5 #63BDEB #6379EB

triadic

#63BDEB #EB63BD #BDEB63

tetradic

#63BDEB #D563EB #EB9163 #79EB63

square

#63BDEB #D563EB #EB9163 #79EB63

split-complementary

#63BDEB #EB6379 #EBD563

monochromatic

#1884BC #2DA6E4 #63BDEB #99D4F2 #CFEBF9

Accessibility & contrast

On white

2.10

#63BDEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.01

#63BDEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BDEB

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BDEB	#FFFFFF	#000000	##000000
##63BDEB	1.00	2.10	10.01	10.01
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.01	21.00	1.00	1.00
##000000	10.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7BBED

Deuteranopia (green-blind)

#94ADEA

Tritanopia (blue-blind)

#00C9CC

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bdeb;
/* rgb */ color: rgb(99, 189, 235);
/* oklch */ color: oklch(76.1% 0.109 232.9);

Tailwind

colors: {
  custom: {
    50: '#9ad0f1',
    500: '#63bdeb',
    950: '#000000',
  },
}

SCSS

$custom: #63bdeb;
$custom-light: #9ad0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63bdeb",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 235
  },
  "hsl": {
    "h": 200.294,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.76065,
    "c": 0.10856,
    "h": 232.9
  },
  "luminance": 0.45046
}

Semantic roles & 50–950 ramp

primary

#63BDEB

secondary

#ECCEBE

accent

#520CDA

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BDEB

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

Preview Lab → · Contrast checker → · Palette generator →