#63E2FD#63E2FD

#63E2FD is a very light, moderate cyan. Relative luminance 0.641; OKLCH L 85.2% C 0.117 H 214.0°. Best body text is #000000 at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#63E2FD
RGB	rgb(99, 226, 253)
HSL	hsl(191, 97%, 69%)
HSV	hsv(191, 61%, 99%)
CMYK	cmyk(60.9%, 10.7%, 0%, 0.8%)
CIE-LAB	lab(84.03, -27.38, -23.64)
CIE-LCH	lch(84.03, 36.17, 220.80°)
OKLab	oklab(85.16% -0.0973 -0.0656)
OKLCH	oklch(85.16% 0.117 214)
XYZ	xyz(50.0643, 64.1320, 102.6497)
Luminance	0.6414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63E2FD #FD7E63

analogous

#63FDCB #63E2FD #6395FD

triadic

#63E2FD #FD63E2 #E2FD63

tetradic

#63E2FD #CB63FD #FD7E63 #95FD63

square

#63E2FD #CB63FD #FD7E63 #95FD63

split-complementary

#63E2FD #FD6395 #FDCB63

monochromatic

#03BBE3 #27D7FC #63E2FD #9FEDFE #DCF8FF

Accessibility & contrast

On white

1.52

#63E2FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.83

#63E2FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63E2FD

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63E2FD	#FFFFFF	#000000	##000000
##63E2FD	1.00	1.52	13.83	13.83
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.83	21.00	1.00	1.00
##000000	13.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEDBFF

Deuteranopia (green-blind)

#B8CAFD

Tritanopia (blue-blind)

#00EDEA

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #63e2fd;
/* rgb */ color: rgb(99, 226, 253);
/* oklch */ color: oklch(85.2% 0.117 214.0);

Tailwind

colors: {
  custom: {
    50: '#9eebfe',
    500: '#63e2fd',
    950: '#000000',
  },
}

SCSS

$custom: #63e2fd;
$custom-light: #9eebfe;
$custom-dark: #000000;

JSON

{
  "hex": "#63e2fd",
  "rgb": {
    "r": 99,
    "g": 226,
    "b": 253
  },
  "hsl": {
    "h": 190.519,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.85161,
    "c": 0.11736,
    "h": 214
  },
  "luminance": 0.64137
}

Semantic roles & 50–950 ramp

primary

#63E2FD

secondary

#D74B2D

accent

#2800E6

background

#FDFEFF

surface

#F7FDFF

border

#D0D5D7

text

#101617

muted

#818485

Preview Lab

Preview with #63E2FD

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

Preview Lab → · Contrast checker → · Palette generator →