#63BEF4#63BEF4

#63BEF4 is a light, moderate cyan. Relative luminance 0.460; OKLCH L 76.7% C 0.117 H 237.0°. Best body text is #000000 at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#63BEF4
RGB	rgb(99, 190, 244)
HSL	hsl(202, 87%, 67%)
HSV	hsv(202, 59%, 96%)
CMYK	cmyk(59.4%, 22.1%, 0%, 4.3%)
CIE-LAB	lab(73.55, -11.67, -34.92)
CIE-LCH	lch(73.55, 36.82, 251.52°)
OKLab	oklab(76.68% -0.0634 -0.0978)
OKLCH	oklch(76.68% 0.117 237)
XYZ	xyz(39.8820, 46.0074, 92.3490)
Luminance	0.4601 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BEF4 #F49963

analogous

#63F4E2 #63BEF4 #6376F4

triadic

#63BEF4 #F463BE #BEF463

tetradic

#63BEF4 #E263F4 #F49963 #76F463

square

#63BEF4 #E263F4 #F49963 #76F463

split-complementary

#63BEF4 #F46376 #F4E263

monochromatic

#0F87CE #2AA6F0 #63BEF4 #9CD6F8 #D5EEFC

Accessibility & contrast

On white

2.06

#63BEF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.20

#63BEF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BEF4

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BEF4	#FFFFFF	#000000	##000000
##63BEF4	1.00	2.06	10.20	10.20
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.20	21.00	1.00	1.00
##000000	10.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5BDF7

Deuteranopia (green-blind)

#91AEF3

Tritanopia (blue-blind)

#00CCD0

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63bef4;
/* rgb */ color: rgb(99, 190, 244);
/* oklch */ color: oklch(76.7% 0.117 237.0);

Tailwind

colors: {
  custom: {
    50: '#9bd1f8',
    500: '#63bef4',
    950: '#000000',
  },
}

SCSS

$custom: #63bef4;
$custom-light: #9bd1f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63bef4",
  "rgb": {
    "r": 99,
    "g": 190,
    "b": 244
  },
  "hsl": {
    "h": 202.345,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.76681,
    "c": 0.11654,
    "h": 237
  },
  "luminance": 0.46011
}

Semantic roles & 50–950 ramp

primary

#63BEF4

secondary

#F0D4C3

accent

#5602E3

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BEF4

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

Preview Lab → · Contrast checker → · Palette generator →