#63D6EF#63D6EF

#63D6EF is a light, moderate cyan. Relative luminance 0.570; OKLCH L 81.9% C 0.109 H 214.1°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#63D6EF
RGB	rgb(99, 214, 239)
HSL	hsl(191, 81%, 66%)
HSV	hsv(191, 59%, 94%)
CMYK	cmyk(58.6%, 10.5%, 0%, 6.3%)
CIE-LAB	lab(80.16, -25.48, -22.09)
CIE-LCH	lch(80.16, 33.73, 220.92°)
OKLab	oklab(81.9% -0.0903 -0.0613)
OKLCH	oklch(81.9% 0.109 214.1)
XYZ	xyz(44.7658, 56.9733, 90.2824)
Luminance	0.5698 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D6EF #EF7C63

analogous

#63EFC2 #63D6EF #6390EF

triadic

#63D6EF #EF63D6 #D6EF63

tetradic

#63D6EF #C263EF #EF7C63 #90EF63

square

#63D6EF #C263EF #EF7C63 #90EF63

split-complementary

#63D6EF #EF6390 #EFC263

monochromatic

#14A4C4 #2BC7E9 #63D6EF #9BE5F5 #D2F3FA

Accessibility & contrast

On white

1.69

#63D6EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.40

#63D6EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D6EF

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D6EF	#FFFFFF	#000000	##000000
##63D6EF	1.00	1.69	12.40	12.40
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.40	21.00	1.00	1.00
##000000	12.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4D0F0

Deuteranopia (green-blind)

#AFC0EF

Tritanopia (blue-blind)

#00E0DE

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #63d6ef;
/* rgb */ color: rgb(99, 214, 239);
/* oklch */ color: oklch(81.9% 0.109 214.1);

Tailwind

colors: {
  custom: {
    50: '#9ce3f4',
    500: '#63d6ef',
    950: '#000000',
  },
}

SCSS

$custom: #63d6ef;
$custom-light: #9ce3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63d6ef",
  "rgb": {
    "r": 99,
    "g": 214,
    "b": 239
  },
  "hsl": {
    "h": 190.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.819,
    "c": 0.10916,
    "h": 214.1
  },
  "luminance": 0.56978
}

Semantic roles & 50–950 ramp

primary

#63D6EF

secondary

#C14E35

accent

#2E08DE

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D6EF

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

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