#63C2EB#63C2EB

#63C2EB is a light, moderate cyan. Relative luminance 0.472; OKLCH L 77.2% C 0.107 H 228.6°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#63C2EB
RGB	rgb(99, 194, 235)
HSL	hsl(198, 77%, 65%)
HSV	hsv(198, 58%, 92%)
CMYK	cmyk(57.9%, 17.4%, 0%, 7.8%)
CIE-LAB	lab(74.34, -16.49, -28.85)
CIE-LCH	lch(74.34, 33.23, 240.25°)
OKLab	oklab(77.19% -0.0708 -0.0804)
OKLCH	oklch(77.19% 0.107 228.6)
XYZ	xyz(39.4270, 47.2306, 85.6198)
Luminance	0.4723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C2EB #EB8C63

analogous

#63EBD0 #63C2EB #637EEB

triadic

#63C2EB #EB63C2 #C2EB63

tetradic

#63C2EB #D063EB #EB8C63 #7EEB63

square

#63C2EB #D063EB #EB8C63 #7EEB63

split-complementary

#63C2EB #EB637E #EBD063

monochromatic

#188ABC #2DADE4 #63C2EB #99D7F2 #CFECF9

Accessibility & contrast

On white

2.01

#63C2EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.45

#63C2EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C2EB

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C2EB	#FFFFFF	#000000	##000000
##63C2EB	1.00	2.01	10.45	10.45
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.45	21.00	1.00	1.00
##000000	10.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBFED

Deuteranopia (green-blind)

#99B1EA

Tritanopia (blue-blind)

#00CECF

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63c2eb;
/* rgb */ color: rgb(99, 194, 235);
/* oklch */ color: oklch(77.2% 0.107 228.6);

Tailwind

colors: {
  custom: {
    50: '#9ad4f1',
    500: '#63c2eb',
    950: '#000000',
  },
}

SCSS

$custom: #63c2eb;
$custom-light: #9ad4f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63c2eb",
  "rgb": {
    "r": 99,
    "g": 194,
    "b": 235
  },
  "hsl": {
    "h": 198.088,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.77194,
    "c": 0.1071,
    "h": 228.6
  },
  "luminance": 0.47234
}

Semantic roles & 50–950 ramp

primary

#63C2EB

secondary

#ECCCBE

accent

#4A0CDA

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C2EB

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

Preview Lab → · Contrast checker → · Palette generator →