#63BAF4#63BAF4

#63BAF4 is a light, moderate cyan. Relative luminance 0.443; OKLCH L 75.8% C 0.119 H 240.0°. Best body text is #000000 at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#63BAF4
RGB	rgb(99, 186, 244)
HSL	hsl(204, 87%, 67%)
HSV	hsv(204, 59%, 96%)
CMYK	cmyk(59.4%, 23.8%, 0%, 4.3%)
CIE-LAB	lab(72.43, -9.52, -36.66)
CIE-LCH	lch(72.43, 37.88, 255.44°)
OKLab	oklab(75.79% -0.0592 -0.1028)
OKLCH	oklch(75.79% 0.119 240)
XYZ	xyz(39.0275, 44.2984, 92.0641)
Luminance	0.4430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BAF4 #F49D63

analogous

#63F4E5 #63BAF4 #6372F4

triadic

#63BAF4 #F463BA #BAF463

tetradic

#63BAF4 #E563F4 #F49D63 #72F463

square

#63BAF4 #E563F4 #F49D63 #72F463

split-complementary

#63BAF4 #F46372 #F4E563

monochromatic

#0F81CE #2AA1F0 #63BAF4 #9CD3F8 #D5EDFC

Accessibility & contrast

On white

2.13

#63BAF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.86

#63BAF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BAF4

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BAF4	#FFFFFF	#000000	##000000
##63BAF4	1.00	2.13	9.86	9.86
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.86	21.00	1.00	1.00
##000000	9.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0BAF7

Deuteranopia (green-blind)

#8CABF3

Tritanopia (blue-blind)

#00C8CE

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #63baf4;
/* rgb */ color: rgb(99, 186, 244);
/* oklch */ color: oklch(75.8% 0.119 240.0);

Tailwind

colors: {
  custom: {
    50: '#9bcef8',
    500: '#63baf4',
    950: '#000000',
  },
}

SCSS

$custom: #63baf4;
$custom-light: #9bcef8;
$custom-dark: #000000;

JSON

{
  "hex": "#63baf4",
  "rgb": {
    "r": 99,
    "g": 186,
    "b": 244
  },
  "hsl": {
    "h": 204,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.75791,
    "c": 0.11865,
    "h": 240
  },
  "luminance": 0.44302
}

Semantic roles & 50–950 ramp

primary

#63BAF4

secondary

#F0D5C3

accent

#5C02E3

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63BAF4

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

Preview Lab → · Contrast checker → · Palette generator →