#63CEFA#63CEFA

#63CEFA is a light, moderate cyan. Relative luminance 0.537; OKLCH L 80.5% C 0.116 H 227.8°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#63CEFA
RGB	rgb(99, 206, 250)
HSL	hsl(197, 94%, 68%)
HSV	hsv(197, 60%, 98%)
CMYK	cmyk(60.4%, 17.6%, 0%, 2%)
CIE-LAB	lab(78.28, -18.24, -30.84)
CIE-LCH	lch(78.28, 35.83, 239.39°)
OKLab	oklab(80.52% -0.078 -0.086)
OKLCH	oklch(80.52% 0.116 227.8)
XYZ	xyz(44.4655, 53.6930, 98.4444)
Luminance	0.5370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEFA #FA8F63

analogous

#63FADA #63CEFA #6382FA

triadic

#63CEFA #FA63CE #CEFA63

tetradic

#63CEFA #DA63FA #FA8F63 #82FA63

square

#63CEFA #DA63FA #FA8F63 #82FA63

split-complementary

#63CEFA #FA6382 #FADA63

monochromatic

#079EDC #28BBF8 #63CEFA #9EE1FC #DAF3FE

Accessibility & contrast

On white

1.79

#63CEFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.74

#63CEFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEFA

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEFA	#FFFFFF	#000000	##000000
##63CEFA	1.00	1.79	11.74	11.74
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.74	21.00	1.00	1.00
##000000	11.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7CBFC

Deuteranopia (green-blind)

#A2BBF9

Tritanopia (blue-blind)

#00DBDC

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #63cefa;
/* rgb */ color: rgb(99, 206, 250);
/* oklch */ color: oklch(80.5% 0.116 227.8);

Tailwind

colors: {
  custom: {
    50: '#9cddfc',
    500: '#63cefa',
    950: '#000000',
  },
}

SCSS

$custom: #63cefa;
$custom-light: #9cddfc;
$custom-dark: #000000;

JSON

{
  "hex": "#63cefa",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 250
  },
  "hsl": {
    "h": 197.483,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.80522,
    "c": 0.11612,
    "h": 227.8
  },
  "luminance": 0.53697
}

Semantic roles & 50–950 ramp

primary

#63CEFA

secondary

#D45E2E

accent

#4300E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CEFA

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

Preview Lab → · Contrast checker → · Palette generator →