#63C6F4#63C6F4

#63C6F4 is a light, moderate cyan. Relative luminance 0.496; OKLCH L 78.5% C 0.113 H 230.7°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#63C6F4
RGB	rgb(99, 198, 244)
HSL	hsl(199, 87%, 67%)
HSV	hsv(199, 59%, 96%)
CMYK	cmyk(59.4%, 18.9%, 0%, 4.3%)
CIE-LAB	lab(75.80, -15.89, -31.44)
CIE-LCH	lch(75.80, 35.23, 243.19°)
OKLab	oklab(78.47% -0.0718 -0.0878)
OKLCH	oklch(78.47% 0.113 230.7)
XYZ	xyz(41.6625, 49.5684, 92.9425)
Luminance	0.4957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C6F4 #F49163

analogous

#63F4D9 #63C6F4 #637EF4

triadic

#63C6F4 #F463C6 #C6F463

tetradic

#63C6F4 #D963F4 #F49163 #7EF463

square

#63C6F4 #D963F4 #F49163 #7EF463

split-complementary

#63C6F4 #F4637E #F4D963

monochromatic

#0F91CE #2AB1F0 #63C6F4 #9CDBF8 #D5F0FC

Accessibility & contrast

On white

1.92

#63C6F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.91

#63C6F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C6F4

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C6F4	#FFFFFF	#000000	##000000
##63C6F4	1.00	1.92	10.91	10.91
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.91	21.00	1.00	1.00
##000000	10.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC3F6

Deuteranopia (green-blind)

#9BB4F3

Tritanopia (blue-blind)

#00D3D5

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63c6f4;
/* rgb */ color: rgb(99, 198, 244);
/* oklch */ color: oklch(78.5% 0.113 230.7);

Tailwind

colors: {
  custom: {
    50: '#9bd7f8',
    500: '#63c6f4',
    950: '#000000',
  },
}

SCSS

$custom: #63c6f4;
$custom-light: #9bd7f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63c6f4",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 244
  },
  "hsl": {
    "h": 199.034,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.78473,
    "c": 0.1134,
    "h": 230.7
  },
  "luminance": 0.49572
}

Semantic roles & 50–950 ramp

primary

#63C6F4

secondary

#F0D1C3

accent

#4A02E3

background

#FAFDFF

surface

#F4FAFE

border

#CED3D6

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C6F4

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

Preview Lab → · Contrast checker → · Palette generator →