#63CEF5#63CEF5

#63CEF5 is a light, moderate cyan. Relative luminance 0.534; OKLCH L 80.3% C 0.112 H 224.8°. Best body text is #000000 at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#63CEF5
RGB	rgb(99, 206, 245)
HSL	hsl(196, 88%, 67%)
HSV	hsv(196, 60%, 96%)
CMYK	cmyk(59.6%, 15.9%, 0%, 3.9%)
CIE-LAB	lab(78.10, -19.72, -28.44)
CIE-LCH	lch(78.10, 34.61, 235.26°)
OKLab	oklab(80.32% -0.0798 -0.0792)
OKLCH	oklch(80.32% 0.112 224.8)
XYZ	xyz(43.6918, 53.3835, 94.3700)
Luminance	0.5339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEF5 #F58A63

analogous

#63F5D3 #63CEF5 #6385F5

triadic

#63CEF5 #F563CE #CEF563

tetradic

#63CEF5 #D363F5 #F58A63 #85F563

square

#63CEF5 #D363F5 #F58A63 #85F563

split-complementary

#63CEF5 #F56385 #F5D363

monochromatic

#0D9CD0 #29BCF1 #63CEF5 #9DE0F9 #D6F2FC

Accessibility & contrast

On white

1.80

#63CEF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.68

#63CEF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEF5

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEF5	#FFFFFF	#000000	##000000
##63CEF5	1.00	1.80	11.68	11.68
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.68	21.00	1.00	1.00
##000000	11.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8CAF7

Deuteranopia (green-blind)

#A4BAF5

Tritanopia (blue-blind)

#00DADB

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cef5;
/* rgb */ color: rgb(99, 206, 245);
/* oklch */ color: oklch(80.3% 0.112 224.8);

Tailwind

colors: {
  custom: {
    50: '#9cddf8',
    500: '#63cef5',
    950: '#000000',
  },
}

SCSS

$custom: #63cef5;
$custom-light: #9cddf8;
$custom-dark: #000000;

JSON

{
  "hex": "#63cef5",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 245
  },
  "hsl": {
    "h": 196.027,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.80317,
    "c": 0.11243,
    "h": 224.8
  },
  "luminance": 0.53388
}

Semantic roles & 50–950 ramp

primary

#63CEF5

secondary

#CC5A30

accent

#3E01E5

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CEF5

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

Preview Lab → · Contrast checker → · Palette generator →