#63C8F4#63C8F4

#63C8F4 is a light, moderate cyan. Relative luminance 0.505; OKLCH L 78.9% C 0.113 H 229.1°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#63C8F4
RGB	rgb(99, 200, 244)
HSL	hsl(198, 87%, 67%)
HSV	hsv(198, 59%, 96%)
CMYK	cmyk(59.4%, 18%, 0%, 4.3%)
CIE-LAB	lab(76.37, -16.93, -30.57)
CIE-LCH	lch(76.37, 34.94, 241.02°)
OKLab	oklab(78.92% -0.0739 -0.0853)
OKLCH	oklch(78.92% 0.113 229.1)
XYZ	xyz(42.1227, 50.4887, 93.0959)
Luminance	0.5049 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8F4 #F48F63

analogous

#63F4D8 #63C8F4 #6380F4

triadic

#63C8F4 #F463C8 #C8F463

tetradic

#63C8F4 #D863F4 #F48F63 #80F463

square

#63C8F4 #D863F4 #F48F63 #80F463

split-complementary

#63C8F4 #F46380 #F4D863

monochromatic

#0F94CE #2AB4F0 #63C8F4 #9CDCF8 #D5F0FC

Accessibility & contrast

On white

1.89

#63C8F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#63C8F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8F4

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8F4	#FFFFFF	#000000	##000000
##63C8F4	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C5F6

Deuteranopia (green-blind)

#9DB6F3

Tritanopia (blue-blind)

#00D4D6

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #63c8f4;
/* rgb */ color: rgb(99, 200, 244);
/* oklch */ color: oklch(78.9% 0.113 229.1);

Tailwind

colors: {
  custom: {
    50: '#9bd8f8',
    500: '#63c8f4',
    950: '#000000',
  },
}

SCSS

$custom: #63c8f4;
$custom-light: #9bd8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8f4",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 244
  },
  "hsl": {
    "h": 198.207,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.78922,
    "c": 0.11284,
    "h": 229.1
  },
  "luminance": 0.50493
}

Semantic roles & 50–950 ramp

primary

#63C8F4

secondary

#CA6031

accent

#4602E3

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C8F4

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

Preview Lab → · Contrast checker → · Palette generator →