#63CDEF#63CDEF

#63CDEF is a light, moderate cyan. Relative luminance 0.525; OKLCH L 79.8% C 0.109 H 221.8°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#63CDEF
RGB	rgb(99, 205, 239)
HSL	hsl(195, 81%, 66%)
HSV	hsv(195, 59%, 94%)
CMYK	cmyk(58.6%, 14.2%, 0%, 6.3%)
CIE-LAB	lab(77.60, -20.97, -25.99)
CIE-LCH	lch(77.60, 33.40, 231.10°)
OKLab	oklab(79.85% -0.0809 -0.0723)
OKLCH	oklch(79.85% 0.109 221.8)
XYZ	xyz(42.5507, 52.5431, 89.5440)
Luminance	0.5255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CDEF #EF8563

analogous

#63EFCB #63CDEF #6387EF

triadic

#63CDEF #EF63CD #CDEF63

tetradic

#63CDEF #CB63EF #EF8563 #87EF63

square

#63CDEF #CB63EF #EF8563 #87EF63

split-complementary

#63CDEF #EF6387 #EFCB63

monochromatic

#1499C4 #2BBBE9 #63CDEF #9BDFF5 #D2F1FA

Accessibility & contrast

On white

1.82

#63CDEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.51

#63CDEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CDEF

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CDEF	#FFFFFF	#000000	##000000
##63CDEF	1.00	1.82	11.51	11.51
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.51	21.00	1.00	1.00
##000000	11.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C8F1

Deuteranopia (green-blind)

#A5B9EF

Tritanopia (blue-blind)

#00D8D8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63cdef;
/* rgb */ color: rgb(99, 205, 239);
/* oklch */ color: oklch(79.8% 0.109 221.8);

Tailwind

colors: {
  custom: {
    50: '#9bdcf4',
    500: '#63cdef',
    950: '#000000',
  },
}

SCSS

$custom: #63cdef;
$custom-light: #9bdcf4;
$custom-dark: #000000;

JSON

{
  "hex": "#63cdef",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 239
  },
  "hsl": {
    "h": 194.571,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.7985,
    "c": 0.10851,
    "h": 221.8
  },
  "luminance": 0.52547
}

Semantic roles & 50–950 ramp

primary

#63CDEF

secondary

#C15735

accent

#3C08DE

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CDEF

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

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