#63C6EB#63C6EB

#63C6EB is a light, moderate cyan. Relative luminance 0.490; OKLCH L 78.1% C 0.106 H 225.2°. Best body text is #000000 at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#63C6EB
RGB	rgb(99, 198, 235)
HSL	hsl(196, 77%, 65%)
HSV	hsv(196, 58%, 92%)
CMYK	cmyk(57.9%, 15.7%, 0%, 7.8%)
CIE-LAB	lab(75.47, -18.56, -27.10)
CIE-LCH	lch(75.47, 32.85, 235.60°)
OKLab	oklab(78.1% -0.075 -0.0754)
OKLCH	oklch(78.1% 0.106 225.2)
XYZ	xyz(40.3292, 49.0351, 85.9205)
Luminance	0.4904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C6EB #EB8863

analogous

#63EBCC #63C6EB #6382EB

triadic

#63C6EB #EB63C6 #C6EB63

tetradic

#63C6EB #CC63EB #EB8863 #82EB63

square

#63C6EB #CC63EB #EB8863 #82EB63

split-complementary

#63C6EB #EB6382 #EBCC63

monochromatic

#188FBC #2DB2E4 #63C6EB #99DAF2 #CFEEF9

Accessibility & contrast

On white

1.94

#63C6EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.81

#63C6EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C6EB

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C6EB	#FFFFFF	#000000	##000000
##63C6EB	1.00	1.94	10.81	10.81
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.81	21.00	1.00	1.00
##000000	10.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C2ED

Deuteranopia (green-blind)

#9EB4EB

Tritanopia (blue-blind)

#00D1D2

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c6eb;
/* rgb */ color: rgb(99, 198, 235);
/* oklch */ color: oklch(78.1% 0.106 225.2);

Tailwind

colors: {
  custom: {
    50: '#9ad7f1',
    500: '#63c6eb',
    950: '#000000',
  },
}

SCSS

$custom: #63c6eb;
$custom-light: #9ad7f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63c6eb",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 235
  },
  "hsl": {
    "h": 196.324,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.781,
    "c": 0.10638,
    "h": 225.2
  },
  "luminance": 0.49039
}

Semantic roles & 50–950 ramp

primary

#63C6EB

secondary

#ECCBBE

accent

#440CDA

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C6EB

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

Preview Lab → · Contrast checker → · Palette generator →