#63CBFD#63CBFD

#63CBFD is a light, moderate cyan. Relative luminance 0.525; OKLCH L 80.0% C 0.119 H 231.8°. Best body text is #000000 at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#63CBFD
RGB	rgb(99, 203, 253)
HSL	hsl(199, 97%, 69%)
HSV	hsv(199, 61%, 99%)
CMYK	cmyk(60.9%, 19.8%, 0%, 0.8%)
CIE-LAB	lab(77.55, -15.79, -33.57)
CIE-LCH	lch(77.55, 37.09, 244.81°)
OKLab	oklab(79.97% -0.0738 -0.0938)
OKLCH	oklch(79.97% 0.119 231.8)
XYZ	xyz(44.2243, 52.4520, 100.7031)
Luminance	0.5246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CBFD #FD9563

analogous

#63FDE2 #63CBFD #637EFD

triadic

#63CBFD #FD63CB #CBFD63

tetradic

#63CBFD #E263FD #FD9563 #7EFD63

square

#63CBFD #E263FD #FD9563 #7EFD63

split-complementary

#63CBFD #FD637E #FDE263

monochromatic

#039AE3 #27B7FC #63CBFD #9FDFFE #DCF3FF

Accessibility & contrast

On white

1.83

#63CBFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.49

#63CBFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CBFD

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CBFD	#FFFFFF	#000000	##000000
##63CBFD	1.00	1.83	11.49	11.49
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.49	21.00	1.00	1.00
##000000	11.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C9FF

Deuteranopia (green-blind)

#9DB9FC

Tritanopia (blue-blind)

#00D9DB

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63cbfd;
/* rgb */ color: rgb(99, 203, 253);
/* oklch */ color: oklch(80.0% 0.119 231.8);

Tailwind

colors: {
  custom: {
    50: '#9cdafe',
    500: '#63cbfd',
    950: '#000000',
  },
}

SCSS

$custom: #63cbfd;
$custom-light: #9cdafe;
$custom-dark: #000000;

JSON

{
  "hex": "#63cbfd",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 253
  },
  "hsl": {
    "h": 199.481,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.79975,
    "c": 0.11942,
    "h": 231.8
  },
  "luminance": 0.52456
}

Semantic roles & 50–950 ramp

primary

#63CBFD

secondary

#D7642D

accent

#4B00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #63CBFD

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

Preview Lab → · Contrast checker → · Palette generator →