#63BEFF#63BEFF

#63BEFF is a light, vivid cyan. Relative luminance 0.467; OKLCH L 77.2% C 0.128 H 242.0°. Best body text is #000000 at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#63BEFF
RGB	rgb(99, 190, 255)
HSL	hsl(205, 100%, 69%)
HSV	hsv(205, 61%, 100%)
CMYK	cmyk(61.2%, 25.5%, 0%, 0%)
CIE-LAB	lab(73.99, -8.28, -40.15)
CIE-LCH	lch(73.99, 41.00, 258.35°)
OKLab	oklab(77.18% -0.0599 -0.1128)
OKLCH	oklch(77.18% 0.128 242)
XYZ	xyz(41.6023, 46.6955, 101.4090)
Luminance	0.4670 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BEFF #FFA463

analogous

#63FFF2 #63BEFF #6370FF

triadic

#63BEFF #FF63BE #BEFF63

tetradic

#63BEFF #F263FF #FFA463 #70FF63

square

#63BEFF #F263FF #FFA463 #70FF63

split-complementary

#63BEFF #FF6370 #FFF263

monochromatic

#0087E8 #26A5FF #63BEFF #A0D8FF #DDF1FF

Accessibility & contrast

On white

2.03

#63BEFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.34

#63BEFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BEFF

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BEFF	#FFFFFF	#000000	##000000
##63BEFF	1.00	2.03	10.34	10.34
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.34	21.00	1.00	1.00
##000000	10.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1BFFF

Deuteranopia (green-blind)

#8CAFFE

Tritanopia (blue-blind)

#00CED4

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #63beff;
/* rgb */ color: rgb(99, 190, 255);
/* oklch */ color: oklch(77.2% 0.128 242.0);

Tailwind

colors: {
  custom: {
    50: '#9cd1ff',
    500: '#63beff',
    950: '#000000',
  },
}

SCSS

$custom: #63beff;
$custom-light: #9cd1ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63beff",
  "rgb": {
    "r": 99,
    "g": 190,
    "b": 255
  },
  "hsl": {
    "h": 205,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.7718,
    "c": 0.12775,
    "h": 242
  },
  "luminance": 0.467
}

Semantic roles & 50–950 ramp

primary

#63BEFF

secondary

#F5DBC8

accent

#6000E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1418

muted

#7F8286

Preview Lab

Preview with #63BEFF

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

Preview Lab → · Contrast checker → · Palette generator →