#63BCFC#63BCFC

#63BCFC is a light, vivid cyan. Relative luminance 0.456; OKLCH L 76.6% C 0.126 H 242.2°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#63BCFC
RGB	rgb(99, 188, 252)
HSL	hsl(205, 96%, 69%)
HSV	hsv(205, 61%, 99%)
CMYK	cmyk(60.7%, 25.4%, 0%, 1.2%)
CIE-LAB	lab(73.31, -8.13, -39.60)
CIE-LCH	lch(73.31, 40.42, 258.40°)
OKLab	oklab(76.6% -0.0588 -0.1113)
OKLCH	oklch(76.6% 0.126 242.2)
XYZ	xyz(40.6929, 45.6434, 98.7421)
Luminance	0.4565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCFC #FCA363

analogous

#63FCEF #63BCFC #6370FC

triadic

#63BCFC #FC63BC #BCFC63

tetradic

#63BCFC #EF63FC #FCA363 #70FC63

square

#63BCFC #EF63FC #FCA363 #70FC63

split-complementary

#63BCFC #FC6370 #FCEF63

monochromatic

#0484E0 #27A2FB #63BCFC #9FD6FD #DBF0FE

Accessibility & contrast

On white

2.07

#63BCFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#63BCFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCFC

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCFC	#FFFFFF	#000000	##000000
##63BCFC	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FBDFF

Deuteranopia (green-blind)

#8BADFB

Tritanopia (blue-blind)

#00CCD2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63bcfc;
/* rgb */ color: rgb(99, 188, 252);
/* oklch */ color: oklch(76.6% 0.126 242.2);

Tailwind

colors: {
  custom: {
    50: '#9cd0fd',
    500: '#63bcfc',
    950: '#000000',
  },
}

SCSS

$custom: #63bcfc;
$custom-light: #9cd0fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcfc",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 252
  },
  "hsl": {
    "h": 205.098,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.766,
    "c": 0.12583,
    "h": 242.2
  },
  "luminance": 0.45647
}

Semantic roles & 50–950 ramp

primary

#63BCFC

secondary

#F4DAC7

accent

#6000E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63BCFC

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

Preview Lab → · Contrast checker → · Palette generator →