#63C2EF#63C2EF

#63C2EF is a light, moderate cyan. Relative luminance 0.475; OKLCH L 77.4% C 0.110 H 231.1°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#63C2EF
RGB	rgb(99, 194, 239)
HSL	hsl(199, 81%, 66%)
HSV	hsv(199, 59%, 94%)
CMYK	cmyk(58.6%, 18.8%, 0%, 6.3%)
CIE-LAB	lab(74.49, -15.30, -30.78)
CIE-LCH	lch(74.49, 34.37, 243.57°)
OKLab	oklab(77.36% -0.0693 -0.0859)
OKLCH	oklch(77.36% 0.11 231.1)
XYZ	xyz(40.0114, 47.4644, 88.6976)
Luminance	0.4747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C2EF #EF9063

analogous

#63EFD6 #63C2EF #637CEF

triadic

#63C2EF #EF63C2 #C2EF63

tetradic

#63C2EF #D663EF #EF9063 #7CEF63

square

#63C2EF #D663EF #EF9063 #7CEF63

split-complementary

#63C2EF #EF637C #EFD663

monochromatic

#148BC4 #2BACE9 #63C2EF #9BD8F5 #D2EDFA

Accessibility & contrast

On white

2.00

#63C2EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#63C2EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C2EF

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C2EF	#FFFFFF	#000000	##000000
##63C2EF	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACC0F1

Deuteranopia (green-blind)

#98B1EE

Tritanopia (blue-blind)

#00CED1

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63c2ef;
/* rgb */ color: rgb(99, 194, 239);
/* oklch */ color: oklch(77.4% 0.110 231.1);

Tailwind

colors: {
  custom: {
    50: '#9ad4f4',
    500: '#63c2ef',
    950: '#000000',
  },
}

SCSS

$custom: #63c2ef;
$custom-light: #9ad4f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63c2ef",
  "rgb": {
    "r": 99,
    "g": 194,
    "b": 239
  },
  "hsl": {
    "h": 199.286,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.77361,
    "c": 0.11039,
    "h": 231.1
  },
  "luminance": 0.47468
}

Semantic roles & 50–950 ramp

primary

#63C2EF

secondary

#EECFC0

accent

#4D08DE

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C2EF

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

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