#63C8EA#63C8EA

#63C8EA is a light, moderate cyan. Relative luminance 0.499; OKLCH L 78.5% C 0.106 H 222.7°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#63C8EA
RGB	rgb(99, 200, 234)
HSL	hsl(195, 76%, 65%)
HSV	hsv(195, 58%, 92%)
CMYK	cmyk(57.7%, 14.5%, 0%, 8.2%)
CIE-LAB	lab(76.01, -19.88, -25.75)
CIE-LCH	lch(76.01, 32.53, 232.33°)
OKLab	oklab(78.51% -0.0775 -0.0716)
OKLCH	oklch(78.51% 0.106 222.7)
XYZ	xyz(40.6453, 49.8978, 85.3152)
Luminance	0.4990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8EA #EA8563

analogous

#63EAC8 #63C8EA #6384EA

triadic

#63C8EA #EA63C8 #C8EA63

tetradic

#63C8EA #C863EA #EA8563 #84EA63

square

#63C8EA #C863EA #EA8563 #84EA63

split-complementary

#63C8EA #EA6384 #EAC863

monochromatic

#1991BA #2DB5E3 #63C8EA #99DBF1 #CFEEF9

Accessibility & contrast

On white

1.91

#63C8EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.98

#63C8EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8EA

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8EA	#FFFFFF	#000000	##000000
##63C8EA	1.00	1.91	10.98	10.98
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.98	21.00	1.00	1.00
##000000	10.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C4EC

Deuteranopia (green-blind)

#A1B5EA

Tritanopia (blue-blind)

#00D3D3

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63c8ea;
/* rgb */ color: rgb(99, 200, 234);
/* oklch */ color: oklch(78.5% 0.106 222.7);

Tailwind

colors: {
  custom: {
    50: '#9ad8f0',
    500: '#63c8ea',
    950: '#000000',
  },
}

SCSS

$custom: #63c8ea;
$custom-light: #9ad8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8ea",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 234
  },
  "hsl": {
    "h": 195.111,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.78514,
    "c": 0.10551,
    "h": 222.7
  },
  "luminance": 0.49902
}

Semantic roles & 50–950 ramp

primary

#63C8EA

secondary

#EBC9BE

accent

#400DD8

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C8EA

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

Preview Lab → · Contrast checker → · Palette generator →