#63C3E5#63C3E5

#63C3E5 is a light, moderate cyan. Relative luminance 0.473; OKLCH L 77.2% C 0.102 H 223.8°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#63C3E5
RGB	rgb(99, 195, 229)
HSL	hsl(196, 71%, 64%)
HSV	hsv(196, 57%, 90%)
CMYK	cmyk(56.8%, 14.8%, 0%, 10.2%)
CIE-LAB	lab(74.40, -18.77, -25.50)
CIE-LCH	lch(74.40, 31.67, 233.65°)
OKLab	oklab(77.18% -0.074 -0.0709)
OKLCH	oklch(77.18% 0.102 223.8)
XYZ	xyz(38.7981, 47.3363, 81.2057)
Luminance	0.4734 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C3E5 #E58563

analogous

#63E5C6 #63C3E5 #6382E5

triadic

#63C3E5 #E563C3 #C3E563

tetradic

#63C3E5 #C663E5 #E58563 #82E563

square

#63C3E5 #C663E5 #E58563 #82E563

split-complementary

#63C3E5 #E56382 #E5C663

monochromatic

#1D8AB0 #2FAFDC #63C3E5 #97D7EE #CCEBF6

Accessibility & contrast

On white

2.01

#63C3E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#63C3E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C3E5

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C3E5	#FFFFFF	#000000	##000000
##63C3E5	1.00	2.01	10.47	10.47
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0BFE7

Deuteranopia (green-blind)

#9DB1E5

Tritanopia (blue-blind)

#00CDCE

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63c3e5;
/* rgb */ color: rgb(99, 195, 229);
/* oklch */ color: oklch(77.2% 0.102 223.8);

Tailwind

colors: {
  custom: {
    50: '#9ad5ed',
    500: '#63c3e5',
    950: '#000000',
  },
}

SCSS

$custom: #63c3e5;
$custom-light: #9ad5ed;
$custom-dark: #000000;

JSON

{
  "hex": "#63c3e5",
  "rgb": {
    "r": 99,
    "g": 195,
    "b": 229
  },
  "hsl": {
    "h": 195.692,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.77175,
    "c": 0.10249,
    "h": 223.8
  },
  "luminance": 0.4734
}

Semantic roles & 50–950 ramp

primary

#63C3E5

secondary

#E8C7BB

accent

#4512D3

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C3E5

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

Preview Lab → · Contrast checker → · Palette generator →