#63BAF3#63BAF3

#63BAF3 is a light, moderate cyan. Relative luminance 0.442; OKLCH L 75.7% C 0.118 H 239.6°. Best body text is #000000 at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#63BAF3
RGB	rgb(99, 186, 243)
HSL	hsl(204, 86%, 67%)
HSV	hsv(204, 59%, 95%)
CMYK	cmyk(59.3%, 23.5%, 0%, 4.7%)
CIE-LAB	lab(72.39, -9.83, -36.18)
CIE-LCH	lch(72.39, 37.49, 254.80°)
OKLab	oklab(75.75% -0.0596 -0.1014)
OKLCH	oklch(75.75% 0.118 239.6)
XYZ	xyz(38.8761, 44.2378, 91.2667)
Luminance	0.4424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BAF3 #F39C63

analogous

#63F3E4 #63BAF3 #6372F3

triadic

#63BAF3 #F363BA #BAF363

tetradic

#63BAF3 #E463F3 #F39C63 #72F363

square

#63BAF3 #E463F3 #F39C63 #72F363

split-complementary

#63BAF3 #F36372 #F3E463

monochromatic

#1081CC #2AA1EF #63BAF3 #9CD3F7 #D5ECFC

Accessibility & contrast

On white

2.13

#63BAF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.85

#63BAF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BAF3

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BAF3	#FFFFFF	#000000	##000000
##63BAF3	1.00	2.13	9.85	9.85
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.85	21.00	1.00	1.00
##000000	9.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0BAF6

Deuteranopia (green-blind)

#8CABF2

Tritanopia (blue-blind)

#00C8CD

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #63baf3;
/* rgb */ color: rgb(99, 186, 243);
/* oklch */ color: oklch(75.7% 0.118 239.6);

Tailwind

colors: {
  custom: {
    50: '#9bcef7',
    500: '#63baf3',
    950: '#000000',
  },
}

SCSS

$custom: #63baf3;
$custom-light: #9bcef7;
$custom-dark: #000000;

JSON

{
  "hex": "#63baf3",
  "rgb": {
    "r": 99,
    "g": 186,
    "b": 243
  },
  "hsl": {
    "h": 203.75,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.75746,
    "c": 0.11762,
    "h": 239.6
  },
  "luminance": 0.44242
}

Semantic roles & 50–950 ramp

primary

#63BAF3

secondary

#F0D4C2

accent

#5C03E2

background

#FAFCFF

surface

#F4F9FE

border

#CED2D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63BAF3

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

Preview Lab → · Contrast checker → · Palette generator →