#63C4E4#63C4E4

#63C4E4 is a light, moderate cyan. Relative luminance 0.477; OKLCH L 77.4% C 0.102 H 222.1°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#63C4E4
RGB	rgb(99, 196, 228)
HSL	hsl(195, 70%, 64%)
HSV	hsv(195, 57%, 89%)
CMYK	cmyk(56.6%, 14%, 0%, 10.6%)
CIE-LAB	lab(74.65, -19.58, -24.58)
CIE-LCH	lch(74.65, 31.42, 231.47°)
OKLab	oklab(77.36% -0.0755 -0.0683)
OKLCH	oklch(77.36% 0.102 222.1)
XYZ	xyz(38.8836, 47.7303, 80.5475)
Luminance	0.4773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4E4 #E48363

analogous

#63E4C4 #63C4E4 #6384E4

triadic

#63C4E4 #E463C4 #C4E463

tetradic

#63C4E4 #C463E4 #E48363 #84E463

square

#63C4E4 #C463E4 #E48363 #84E463

split-complementary

#63C4E4 #E46384 #E4C463

monochromatic

#1E8BAE #2FB0DB #63C4E4 #97D8ED #CBEBF6

Accessibility & contrast

On white

1.99

#63C4E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#63C4E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4E4

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4E4	#FFFFFF	#000000	##000000
##63C4E4	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C0E6

Deuteranopia (green-blind)

#9EB2E4

Tritanopia (blue-blind)

#00CECE

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63c4e4;
/* rgb */ color: rgb(99, 196, 228);
/* oklch */ color: oklch(77.4% 0.102 222.1);

Tailwind

colors: {
  custom: {
    50: '#99d6ec',
    500: '#63c4e4',
    950: '#000000',
  },
}

SCSS

$custom: #63c4e4;
$custom-light: #99d6ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4e4",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 228
  },
  "hsl": {
    "h": 194.884,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.77363,
    "c": 0.10177,
    "h": 222.1
  },
  "luminance": 0.47734
}

Semantic roles & 50–950 ramp

primary

#63C4E4

secondary

#E8C6BB

accent

#4313D3

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C4E4

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

Preview Lab → · Contrast checker → · Palette generator →