#63D4EF#63D4EF

#63D4EF is a light, moderate cyan. Relative luminance 0.560; OKLCH L 81.4% C 0.109 H 215.8°. Best body text is #000000 at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#63D4EF
RGB	rgb(99, 212, 239)
HSL	hsl(192, 81%, 66%)
HSV	hsv(192, 59%, 94%)
CMYK	cmyk(58.6%, 11.3%, 0%, 6.3%)
CIE-LAB	lab(79.60, -24.49, -22.96)
CIE-LCH	lch(79.60, 33.57, 223.15°)
OKLab	oklab(81.44% -0.0882 -0.0637)
OKLCH	oklch(81.44% 0.109 215.8)
XYZ	xyz(44.2628, 55.9672, 90.1147)
Luminance	0.5597 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D4EF #EF7E63

analogous

#63EFC4 #63D4EF #638EEF

triadic

#63D4EF #EF63D4 #D4EF63

tetradic

#63D4EF #C463EF #EF7E63 #8EEF63

square

#63D4EF #C463EF #EF7E63 #8EEF63

split-complementary

#63D4EF #EF638E #EFC463

monochromatic

#14A2C4 #2BC5E9 #63D4EF #9BE3F5 #D2F3FA

Accessibility & contrast

On white

1.72

#63D4EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.19

#63D4EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D4EF

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D4EF	#FFFFFF	#000000	##000000
##63D4EF	1.00	1.72	12.19	12.19
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.19	21.00	1.00	1.00
##000000	12.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1CEF1

Deuteranopia (green-blind)

#ADBFEF

Tritanopia (blue-blind)

#00DEDC

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #63d4ef;
/* rgb */ color: rgb(99, 212, 239);
/* oklch */ color: oklch(81.4% 0.109 215.8);

Tailwind

colors: {
  custom: {
    50: '#9be1f4',
    500: '#63d4ef',
    950: '#000000',
  },
}

SCSS

$custom: #63d4ef;
$custom-light: #9be1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63d4ef",
  "rgb": {
    "r": 99,
    "g": 212,
    "b": 239
  },
  "hsl": {
    "h": 191.571,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.81444,
    "c": 0.10884,
    "h": 215.8
  },
  "luminance": 0.55972
}

Semantic roles & 50–950 ramp

primary

#63D4EF

secondary

#C15035

accent

#3108DE

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D4EF

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

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