#63BEF9#63BEF9

#63BEF9 is a light, vivid cyan. Relative luminance 0.463; OKLCH L 76.9% C 0.122 H 239.4°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#63BEF9
RGB	rgb(99, 190, 249)
HSL	hsl(204, 93%, 68%)
HSV	hsv(204, 60%, 98%)
CMYK	cmyk(60.2%, 23.7%, 0%, 2.4%)
CIE-LAB	lab(73.75, -10.13, -37.31)
CIE-LCH	lch(73.75, 38.66, 254.80°)
OKLab	oklab(76.91% -0.0618 -0.1046)
OKLCH	oklch(76.91% 0.122 239.4)
XYZ	xyz(40.6515, 46.3152, 96.4016)
Luminance	0.4632 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BEF9 #F99E63

analogous

#63F9E9 #63BEF9 #6373F9

triadic

#63BEF9 #F963BE #BEF963

tetradic

#63BEF9 #E963F9 #F99E63 #73F963

square

#63BEF9 #E963F9 #F99E63 #73F963

split-complementary

#63BEF9 #F96373 #F9E963

monochromatic

#0887D9 #28A5F7 #63BEF9 #9ED7FB #D9EFFE

Accessibility & contrast

On white

2.05

#63BEF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.26

#63BEF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BEF9

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BEF9	#FFFFFF	#000000	##000000
##63BEF9	1.00	2.05	10.26	10.26
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.26	21.00	1.00	1.00
##000000	10.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3BEFC

Deuteranopia (green-blind)

#8FAFF8

Tritanopia (blue-blind)

#00CDD2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63bef9;
/* rgb */ color: rgb(99, 190, 249);
/* oklch */ color: oklch(76.9% 0.122 239.4);

Tailwind

colors: {
  custom: {
    50: '#9bd1fb',
    500: '#63bef9',
    950: '#000000',
  },
}

SCSS

$custom: #63bef9;
$custom-light: #9bd1fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63bef9",
  "rgb": {
    "r": 99,
    "g": 190,
    "b": 249
  },
  "hsl": {
    "h": 203.6,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.76905,
    "c": 0.12151,
    "h": 239.4
  },
  "luminance": 0.46319
}

Semantic roles & 50–950 ramp

primary

#63BEF9

secondary

#F3D7C5

accent

#5A00E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BEF9

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

Preview Lab → · Contrast checker → · Palette generator →