#63CEF3#63CEF3

#63CEF3 is a light, moderate cyan. Relative luminance 0.533; OKLCH L 80.2% C 0.111 H 223.5°. Best body text is #000000 at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#63CEF3
RGB	rgb(99, 206, 243)
HSL	hsl(195, 86%, 67%)
HSV	hsv(195, 59%, 95%)
CMYK	cmyk(59.3%, 15.2%, 0%, 4.7%)
CIE-LAB	lab(78.03, -20.31, -27.48)
CIE-LCH	lch(78.03, 34.17, 233.54°)
OKLab	oklab(80.24% -0.0805 -0.0765)
OKLCH	oklch(80.24% 0.111 223.5)
XYZ	xyz(43.3882, 53.2620, 92.7707)
Luminance	0.5327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEF3 #F38863

analogous

#63F3D0 #63CEF3 #6386F3

triadic

#63CEF3 #F363CE #CEF363

tetradic

#63CEF3 #D063F3 #F38863 #86F363

square

#63CEF3 #D063F3 #F38863 #86F363

split-complementary

#63CEF3 #F36386 #F3D063

monochromatic

#109CCC #2ABCEF #63CEF3 #9CE0F7 #D5F2FC

Accessibility & contrast

On white

1.80

#63CEF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.65

#63CEF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEF3

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEF3	#FFFFFF	#000000	##000000
##63CEF3	1.00	1.80	11.65	11.65
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.65	21.00	1.00	1.00
##000000	11.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9CAF5

Deuteranopia (green-blind)

#A4BAF3

Tritanopia (blue-blind)

#00D9DA

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cef3;
/* rgb */ color: rgb(99, 206, 243);
/* oklch */ color: oklch(80.2% 0.111 223.5);

Tailwind

colors: {
  custom: {
    50: '#9bddf7',
    500: '#63cef3',
    950: '#000000',
  },
}

SCSS

$custom: #63cef3;
$custom-light: #9bddf7;
$custom-dark: #000000;

JSON

{
  "hex": "#63cef3",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 243
  },
  "hsl": {
    "h": 195.417,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.80236,
    "c": 0.11105,
    "h": 223.5
  },
  "luminance": 0.53266
}

Semantic roles & 50–950 ramp

primary

#63CEF3

secondary

#C85932

accent

#3D03E2

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CEF3

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

Preview Lab → · Contrast checker → · Palette generator →