#63BDFF#63BDFF

#63BDFF is a light, vivid cyan. Relative luminance 0.463; OKLCH L 77.0% C 0.128 H 242.7°. Best body text is #000000 at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#63BDFF
RGB	rgb(99, 189, 255)
HSL	hsl(205, 100%, 69%)
HSV	hsv(205, 61%, 100%)
CMYK	cmyk(61.2%, 25.9%, 0%, 0%)
CIE-LAB	lab(73.72, -7.73, -40.59)
CIE-LCH	lch(73.72, 41.32, 259.21°)
OKLab	oklab(76.96% -0.0589 -0.1141)
OKLCH	oklch(76.96% 0.128 242.7)
XYZ	xyz(41.3864, 46.2638, 101.3371)
Luminance	0.4627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BDFF #FFA563

analogous

#63FFF3 #63BDFF #636FFF

triadic

#63BDFF #FF63BD #BDFF63

tetradic

#63BDFF #F363FF #FFA563 #6FFF63

square

#63BDFF #F363FF #FFA563 #6FFF63

split-complementary

#63BDFF #FF636F #FFF363

monochromatic

#0086E8 #26A3FF #63BDFF #A0D7FF #DDF1FF

Accessibility & contrast

On white

2.05

#63BDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.25

#63BDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BDFF

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BDFF	#FFFFFF	#000000	##000000
##63BDFF	1.00	2.05	10.25	10.25
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.25	21.00	1.00	1.00
##000000	10.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0BEFF

Deuteranopia (green-blind)

#8AAEFE

Tritanopia (blue-blind)

#00CDD4

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63bdff;
/* rgb */ color: rgb(99, 189, 255);
/* oklch */ color: oklch(77.0% 0.128 242.7);

Tailwind

colors: {
  custom: {
    50: '#9cd0ff',
    500: '#63bdff',
    950: '#000000',
  },
}

SCSS

$custom: #63bdff;
$custom-light: #9cd0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63bdff",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 255
  },
  "hsl": {
    "h": 205.385,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.7696,
    "c": 0.12839,
    "h": 242.7
  },
  "luminance": 0.46268
}

Semantic roles & 50–950 ramp

primary

#63BDFF

secondary

#F5DBC8

accent

#6100E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1418

muted

#7F8286

Preview Lab

Preview with #63BDFF

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

Preview Lab → · Contrast checker → · Palette generator →