#63D2FD#63D2FD

#63D2FD is a light, moderate cyan. Relative luminance 0.558; OKLCH L 81.5% C 0.118 H 226.4°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#63D2FD
RGB	rgb(99, 210, 253)
HSL	hsl(197, 97%, 69%)
HSV	hsv(197, 61%, 99%)
CMYK	cmyk(60.9%, 17%, 0%, 0.8%)
CIE-LAB	lab(79.52, -19.40, -30.54)
CIE-LCH	lch(79.52, 36.18, 237.57°)
OKLab	oklab(81.55% -0.081 -0.0852)
OKLCH	oklch(81.55% 0.118 226.4)
XYZ	xyz(45.9148, 55.8331, 101.2666)
Luminance	0.5584 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D2FD #FD8E63

analogous

#63FDDB #63D2FD #6385FD

triadic

#63D2FD #FD63D2 #D2FD63

tetradic

#63D2FD #DB63FD #FD8E63 #85FD63

square

#63D2FD #DB63FD #FD8E63 #85FD63

split-complementary

#63D2FD #FD6385 #FDDB63

monochromatic

#03A4E3 #27C1FC #63D2FD #9FE3FE #DCF5FF

Accessibility & contrast

On white

1.73

#63D2FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#63D2FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D2FD

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D2FD	#FFFFFF	#000000	##000000
##63D2FD	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBCEFF

Deuteranopia (green-blind)

#A5BEFD

Tritanopia (blue-blind)

#00DFE0

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #63d2fd;
/* rgb */ color: rgb(99, 210, 253);
/* oklch */ color: oklch(81.5% 0.118 226.4);

Tailwind

colors: {
  custom: {
    50: '#9ddffe',
    500: '#63d2fd',
    950: '#000000',
  },
}

SCSS

$custom: #63d2fd;
$custom-light: #9ddffe;
$custom-dark: #000000;

JSON

{
  "hex": "#63d2fd",
  "rgb": {
    "r": 99,
    "g": 210,
    "b": 253
  },
  "hsl": {
    "h": 196.753,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.81545,
    "c": 0.11755,
    "h": 226.4
  },
  "luminance": 0.55838
}

Semantic roles & 50–950 ramp

primary

#63D2FD

secondary

#D75C2D

accent

#4000E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D2FD

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

Preview Lab → · Contrast checker → · Palette generator →