#63C8F2#63C8F2

#63C8F2 is a light, moderate cyan. Relative luminance 0.504; OKLCH L 78.8% C 0.111 H 227.9°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#63C8F2
RGB	rgb(99, 200, 242)
HSL	hsl(198, 85%, 67%)
HSV	hsv(198, 59%, 95%)
CMYK	cmyk(59.1%, 17.4%, 0%, 5.1%)
CIE-LAB	lab(76.29, -17.53, -29.61)
CIE-LCH	lch(76.29, 34.41, 239.38°)
OKLab	oklab(78.84% -0.0746 -0.0826)
OKLCH	oklch(78.84% 0.111 227.9)
XYZ	xyz(41.8207, 50.3679, 91.5052)
Luminance	0.5037 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8F2 #F28D63

analogous

#63F2D4 #63C8F2 #6381F2

triadic

#63C8F2 #F263C8 #C8F263

tetradic

#63C8F2 #D463F2 #F28D63 #81F263

square

#63C8F2 #D463F2 #F28D63 #81F263

split-complementary

#63C8F2 #F26381 #F2D463

monochromatic

#1193CA #2BB4ED #63C8F2 #9BDCF7 #D4F0FB

Accessibility & contrast

On white

1.90

#63C8F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#63C8F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8F2

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8F2	#FFFFFF	#000000	##000000
##63C8F2	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C5F4

Deuteranopia (green-blind)

#9EB6F1

Tritanopia (blue-blind)

#00D4D6

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #63c8f2;
/* rgb */ color: rgb(99, 200, 242);
/* oklch */ color: oklch(78.8% 0.111 227.9);

Tailwind

colors: {
  custom: {
    50: '#9bd8f6',
    500: '#63c8f2',
    950: '#000000',
  },
}

SCSS

$custom: #63c8f2;
$custom-light: #9bd8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8f2",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 242
  },
  "hsl": {
    "h": 197.622,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.78839,
    "c": 0.11126,
    "h": 227.9
  },
  "luminance": 0.50372
}

Semantic roles & 50–950 ramp

primary

#63C8F2

secondary

#C65E33

accent

#4504E1

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C8F2

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

Preview Lab → · Contrast checker → · Palette generator →