#63D4FB#63D4FB

#63D4FB is a light, moderate cyan. Relative luminance 0.567; OKLCH L 81.9% C 0.116 H 223.7°. Best body text is #000000 at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#63D4FB
RGB	rgb(99, 212, 251)
HSL	hsl(195, 95%, 69%)
HSV	hsv(195, 61%, 98%)
CMYK	cmyk(60.6%, 15.5%, 0%, 1.6%)
CIE-LAB	lab(80.01, -21.01, -28.72)
CIE-LCH	lch(80.01, 35.58, 233.82°)
OKLab	oklab(81.91% -0.0838 -0.08)
OKLCH	oklch(81.91% 0.116 223.7)
XYZ	xyz(46.0948, 56.7000, 99.7631)
Luminance	0.5671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D4FB #FB8A63

analogous

#63FBD6 #63D4FB #6388FB

triadic

#63D4FB #FB63D4 #D4FB63

tetradic

#63D4FB #D663FB #FB8A63 #88FB63

square

#63D4FB #D663FB #FB8A63 #88FB63

split-complementary

#63D4FB #FB6388 #FBD663

monochromatic

#06A6DE #27C4F9 #63D4FB #9FE4FD #DAF5FE

Accessibility & contrast

On white

1.70

#63D4FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.34

#63D4FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D4FB

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D4FB	#FFFFFF	#000000	##000000
##63D4FB	1.00	1.70	12.34	12.34
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.34	21.00	1.00	1.00
##000000	12.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BED0FD

Deuteranopia (green-blind)

#A8BFFB

Tritanopia (blue-blind)

#00E0E0

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #63d4fb;
/* rgb */ color: rgb(99, 212, 251);
/* oklch */ color: oklch(81.9% 0.116 223.7);

Tailwind

colors: {
  custom: {
    50: '#9de1fc',
    500: '#63d4fb',
    950: '#000000',
  },
}

SCSS

$custom: #63d4fb;
$custom-light: #9de1fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63d4fb",
  "rgb": {
    "r": 99,
    "g": 212,
    "b": 251
  },
  "hsl": {
    "h": 195.395,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.81914,
    "c": 0.11584,
    "h": 223.7
  },
  "luminance": 0.56705
}

Semantic roles & 50–950 ramp

primary

#63D4FB

secondary

#D5582D

accent

#3B00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D4FB

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

Preview Lab → · Contrast checker → · Palette generator →