#63CEF7#63CEF7

#63CEF7 is a light, moderate cyan. Relative luminance 0.535; OKLCH L 80.4% C 0.114 H 226.0°. Best body text is #000000 at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#63CEF7
RGB	rgb(99, 206, 247)
HSL	hsl(197, 90%, 68%)
HSV	hsv(197, 60%, 97%)
CMYK	cmyk(59.9%, 16.6%, 0%, 3.1%)
CIE-LAB	lab(78.17, -19.13, -29.40)
CIE-LCH	lch(78.17, 35.08, 236.95°)
OKLab	oklab(80.4% -0.079 -0.082)
OKLCH	oklch(80.4% 0.114 226)
XYZ	xyz(43.9988, 53.5063, 95.9867)
Luminance	0.5351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEF7 #F78C63

analogous

#63F7D6 #63CEF7 #6384F7

triadic

#63CEF7 #F763CE #CEF763

tetradic

#63CEF7 #D663F7 #F78C63 #84F763

square

#63CEF7 #D663F7 #F78C63 #84F763

split-complementary

#63CEF7 #F76384 #F7D663

monochromatic

#0B9DD5 #29BCF4 #63CEF7 #9DE0FA #D7F3FD

Accessibility & contrast

On white

1.79

#63CEF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.70

#63CEF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEF7

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEF7	#FFFFFF	#000000	##000000
##63CEF7	1.00	1.79	11.70	11.70
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.70	21.00	1.00	1.00
##000000	11.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8CAF9

Deuteranopia (green-blind)

#A3BBF7

Tritanopia (blue-blind)

#00DADB

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cef7;
/* rgb */ color: rgb(99, 206, 247);
/* oklch */ color: oklch(80.4% 0.114 226.0);

Tailwind

colors: {
  custom: {
    50: '#9cddfa',
    500: '#63cef7',
    950: '#000000',
  },
}

SCSS

$custom: #63cef7;
$custom-light: #9cddfa;
$custom-dark: #000000;

JSON

{
  "hex": "#63cef7",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 247
  },
  "hsl": {
    "h": 196.622,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.80398,
    "c": 0.11387,
    "h": 226
  },
  "luminance": 0.53511
}

Semantic roles & 50–950 ramp

primary

#63CEF7

secondary

#CF5B2F

accent

#4000E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CEF7

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

Preview Lab → · Contrast checker → · Palette generator →