#63C8F8#63C8F8

#63C8F8 is a light, moderate cyan. Relative luminance 0.507; OKLCH L 79.1% C 0.116 H 231.4°. Best body text is #000000 at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#63C8F8
RGB	rgb(99, 200, 248)
HSL	hsl(199, 91%, 68%)
HSV	hsv(199, 60%, 97%)
CMYK	cmyk(60.1%, 19.4%, 0%, 2.7%)
CIE-LAB	lab(76.52, -15.73, -32.48)
CIE-LCH	lch(76.52, 36.09, 244.16°)
OKLab	oklab(79.09% -0.0725 -0.0908)
OKLCH	oklch(79.09% 0.116 231.4)
XYZ	xyz(42.7366, 50.7343, 96.3292)
Luminance	0.5074 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8F8 #F89363

analogous

#63F8DE #63C8F8 #637DF8

triadic

#63C8F8 #F863C8 #C8F863

tetradic

#63C8F8 #DE63F8 #F89363 #7DF863

square

#63C8F8 #DE63F8 #F89363 #7DF863

split-complementary

#63C8F8 #F8637D #F8DE63

monochromatic

#0A95D7 #28B3F5 #63C8F8 #9EDDFB #D8F1FD

Accessibility & contrast

On white

1.88

#63C8F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.15

#63C8F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8F8

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8F8	#FFFFFF	#000000	##000000
##63C8F8	1.00	1.88	11.15	11.15
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.15	21.00	1.00	1.00
##000000	11.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C6FA

Deuteranopia (green-blind)

#9BB6F7

Tritanopia (blue-blind)

#00D5D8

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63c8f8;
/* rgb */ color: rgb(99, 200, 248);
/* oklch */ color: oklch(79.1% 0.116 231.4);

Tailwind

colors: {
  custom: {
    50: '#9cd8fa',
    500: '#63c8f8',
    950: '#000000',
  },
}

SCSS

$custom: #63c8f8;
$custom-light: #9cd8fa;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8f8",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 248
  },
  "hsl": {
    "h": 199.329,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.79091,
    "c": 0.11616,
    "h": 231.4
  },
  "luminance": 0.50739
}

Semantic roles & 50–950 ramp

primary

#63C8F8

secondary

#D1632E

accent

#4A00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C8F8

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

Preview Lab → · Contrast checker → · Palette generator →