#63D0FB#63D0FB

#63D0FB is a light, moderate cyan. Relative luminance 0.547; OKLCH L 81.0% C 0.116 H 226.8°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#63D0FB
RGB	rgb(99, 208, 251)
HSL	hsl(197, 95%, 69%)
HSV	hsv(197, 61%, 98%)
CMYK	cmyk(60.6%, 17.1%, 0%, 1.6%)
CIE-LAB	lab(78.88, -18.97, -30.45)
CIE-LCH	lch(78.88, 35.87, 238.08°)
OKLab	oklab(81.01% -0.0797 -0.0849)
OKLCH	oklch(81.01% 0.116 226.8)
XYZ	xyz(45.1072, 54.7249, 99.4339)
Luminance	0.5473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D0FB #FB8E63

analogous

#63FBDA #63D0FB #6384FB

triadic

#63D0FB #FB63D0 #D0FB63

tetradic

#63D0FB #DA63FB #FB8E63 #84FB63

square

#63D0FB #DA63FB #FB8E63 #84FB63

split-complementary

#63D0FB #FB6384 #FBDA63

monochromatic

#06A1DE #27BEF9 #63D0FB #9FE2FD #DAF4FE

Accessibility & contrast

On white

1.76

#63D0FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#63D0FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D0FB

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D0FB	#FFFFFF	#000000	##000000
##63D0FB	1.00	1.76	11.95	11.95
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.95	21.00	1.00	1.00
##000000	11.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9CCFD

Deuteranopia (green-blind)

#A4BCFA

Tritanopia (blue-blind)

#00DDDE

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #63d0fb;
/* rgb */ color: rgb(99, 208, 251);
/* oklch */ color: oklch(81.0% 0.116 226.8);

Tailwind

colors: {
  custom: {
    50: '#9cdefc',
    500: '#63d0fb',
    950: '#000000',
  },
}

SCSS

$custom: #63d0fb;
$custom-light: #9cdefc;
$custom-dark: #000000;

JSON

{
  "hex": "#63d0fb",
  "rgb": {
    "r": 99,
    "g": 208,
    "b": 251
  },
  "hsl": {
    "h": 196.974,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.81013,
    "c": 0.11646,
    "h": 226.8
  },
  "luminance": 0.54729
}

Semantic roles & 50–950 ramp

primary

#63D0FB

secondary

#D55D2D

accent

#4100E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D0FB

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

Preview Lab → · Contrast checker → · Palette generator →