#63C5E5#63C5E5

#63C5E5 is a light, moderate cyan. Relative luminance 0.482; OKLCH L 77.6% C 0.102 H 221.9°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#63C5E5
RGB	rgb(99, 197, 229)
HSL	hsl(195, 71%, 64%)
HSV	hsv(195, 57%, 90%)
CMYK	cmyk(56.8%, 14%, 0%, 10.2%)
CIE-LAB	lab(74.98, -19.80, -24.63)
CIE-LCH	lch(74.98, 31.60, 231.21°)
OKLab	oklab(77.63% -0.0762 -0.0684)
OKLCH	oklch(77.63% 0.102 221.9)
XYZ	xyz(39.2492, 48.2386, 81.3561)
Luminance	0.4824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C5E5 #E58363

analogous

#63E5C4 #63C5E5 #6384E5

triadic

#63C5E5 #E563C5 #C5E563

tetradic

#63C5E5 #C463E5 #E58363 #84E563

square

#63C5E5 #C463E5 #E58363 #84E563

split-complementary

#63C5E5 #E56384 #E5C463

monochromatic

#1D8CB0 #2FB1DC #63C5E5 #97D9EE #CCECF6

Accessibility & contrast

On white

1.97

#63C5E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.65

#63C5E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C5E5

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C5E5	#FFFFFF	#000000	##000000
##63C5E5	1.00	1.97	10.65	10.65
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.65	21.00	1.00	1.00
##000000	10.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C1E7

Deuteranopia (green-blind)

#9FB2E5

Tritanopia (blue-blind)

#00CFCF

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #63c5e5;
/* rgb */ color: rgb(99, 197, 229);
/* oklch */ color: oklch(77.6% 0.102 221.9);

Tailwind

colors: {
  custom: {
    50: '#9ad6ed',
    500: '#63c5e5',
    950: '#000000',
  },
}

SCSS

$custom: #63c5e5;
$custom-light: #9ad6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#63c5e5",
  "rgb": {
    "r": 99,
    "g": 197,
    "b": 229
  },
  "hsl": {
    "h": 194.769,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.77631,
    "c": 0.10239,
    "h": 221.9
  },
  "luminance": 0.48242
}

Semantic roles & 50–950 ramp

primary

#63C5E5

secondary

#E8C6BB

accent

#4212D3

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C5E5

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

Preview Lab → · Contrast checker → · Palette generator →