#63CEF4#63CEF4

#63CEF4 is a light, moderate cyan. Relative luminance 0.533; OKLCH L 80.3% C 0.112 H 224.2°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#63CEF4
RGB	rgb(99, 206, 244)
HSL	hsl(196, 87%, 67%)
HSV	hsv(196, 59%, 96%)
CMYK	cmyk(59.4%, 15.6%, 0%, 4.3%)
CIE-LAB	lab(78.07, -20.02, -27.96)
CIE-LCH	lch(78.07, 34.39, 234.40°)
OKLab	oklab(80.28% -0.0801 -0.0779)
OKLCH	oklch(80.28% 0.112 224.2)
XYZ	xyz(43.5396, 53.3226, 93.5682)
Luminance	0.5333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEF4 #F48963

analogous

#63F4D1 #63CEF4 #6386F4

triadic

#63CEF4 #F463CE #CEF463

tetradic

#63CEF4 #D163F4 #F48963 #86F463

square

#63CEF4 #D163F4 #F48963 #86F463

split-complementary

#63CEF4 #F46386 #F4D163

monochromatic

#0F9CCE #2ABCF0 #63CEF4 #9CE0F8 #D5F2FC

Accessibility & contrast

On white

1.80

#63CEF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.67

#63CEF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEF4

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEF4	#FFFFFF	#000000	##000000
##63CEF4	1.00	1.80	11.67	11.67
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.67	21.00	1.00	1.00
##000000	11.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9CAF6

Deuteranopia (green-blind)

#A4BAF4

Tritanopia (blue-blind)

#00DADA

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cef4;
/* rgb */ color: rgb(99, 206, 244);
/* oklch */ color: oklch(80.3% 0.112 224.2);

Tailwind

colors: {
  custom: {
    50: '#9cddf7',
    500: '#63cef4',
    950: '#000000',
  },
}

SCSS

$custom: #63cef4;
$custom-light: #9cddf7;
$custom-dark: #000000;

JSON

{
  "hex": "#63cef4",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 244
  },
  "hsl": {
    "h": 195.724,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.80276,
    "c": 0.11173,
    "h": 224.2
  },
  "luminance": 0.53327
}

Semantic roles & 50–950 ramp

primary

#63CEF4

secondary

#CA5931

accent

#3D02E3

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CEF4

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

Preview Lab → · Contrast checker → · Palette generator →