#63C8F9#63C8F9

#63C8F9 is a light, moderate cyan. Relative luminance 0.508; OKLCH L 79.1% C 0.117 H 231.9°. Best body text is #000000 at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#63C8F9
RGB	rgb(99, 200, 249)
HSL	hsl(200, 93%, 68%)
HSV	hsv(200, 60%, 98%)
CMYK	cmyk(60.2%, 19.7%, 0%, 2.4%)
CIE-LAB	lab(76.56, -15.43, -32.96)
CIE-LCH	lch(76.56, 36.39, 244.91°)
OKLab	oklab(79.13% -0.0721 -0.0921)
OKLCH	oklch(79.13% 0.117 231.9)
XYZ	xyz(42.8922, 50.7965, 97.1485)
Luminance	0.5080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8F9 #F99463

analogous

#63F9DF #63C8F9 #637DF9

triadic

#63C8F9 #F963C8 #C8F963

tetradic

#63C8F9 #DF63F9 #F99463 #7DF963

square

#63C8F9 #DF63F9 #F99463 #7DF963

split-complementary

#63C8F9 #F9637D #F9DF63

monochromatic

#0895D9 #28B3F7 #63C8F9 #9EDDFB #D9F2FE

Accessibility & contrast

On white

1.88

#63C8F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.16

#63C8F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8F9

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8F9	#FFFFFF	#000000	##000000
##63C8F9	1.00	1.88	11.16	11.16
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.16	21.00	1.00	1.00
##000000	11.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C6FB

Deuteranopia (green-blind)

#9BB6F8

Tritanopia (blue-blind)

#00D5D8

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63c8f9;
/* rgb */ color: rgb(99, 200, 249);
/* oklch */ color: oklch(79.1% 0.117 231.9);

Tailwind

colors: {
  custom: {
    50: '#9cd8fb',
    500: '#63c8f9',
    950: '#000000',
  },
}

SCSS

$custom: #63c8f9;
$custom-light: #9cd8fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8f9",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 249
  },
  "hsl": {
    "h": 199.6,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.79134,
    "c": 0.11701,
    "h": 231.9
  },
  "luminance": 0.50801
}

Semantic roles & 50–950 ramp

primary

#63C8F9

secondary

#D2642E

accent

#4B00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C8F9

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

Preview Lab → · Contrast checker → · Palette generator →