#63BFE4#63BFE4

#63BFE4 is a light, moderate cyan. Relative luminance 0.455; OKLCH L 76.2% C 0.102 H 226.7°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#63BFE4
RGB	rgb(99, 191, 228)
HSL	hsl(197, 70%, 64%)
HSV	hsv(197, 57%, 89%)
CMYK	cmyk(56.6%, 16.2%, 0%, 10.6%)
CIE-LAB	lab(73.23, -16.99, -26.76)
CIE-LCH	lch(73.23, 31.70, 237.59°)
OKLab	oklab(76.22% -0.0701 -0.0745)
OKLCH	oklch(76.22% 0.102 226.7)
XYZ	xyz(37.7746, 45.5122, 80.1778)
Luminance	0.4552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFE4 #E48863

analogous

#63E4C8 #63BFE4 #637FE4

triadic

#63BFE4 #E463BF #BFE463

tetradic

#63BFE4 #C863E4 #E48863 #7FE463

square

#63BFE4 #C863E4 #E48863 #7FE463

split-complementary

#63BFE4 #E4637F #E4C863

monochromatic

#1E85AE #2FAADB #63BFE4 #97D4ED #CBEAF6

Accessibility & contrast

On white

2.08

#63BFE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#63BFE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFE4

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFE4	#FFFFFF	#000000	##000000
##63BFE4	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBCE6

Deuteranopia (green-blind)

#99AEE4

Tritanopia (blue-blind)

#00CACB

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63bfe4;
/* rgb */ color: rgb(99, 191, 228);
/* oklch */ color: oklch(76.2% 0.102 226.7);

Tailwind

colors: {
  custom: {
    50: '#99d2ec',
    500: '#63bfe4',
    950: '#000000',
  },
}

SCSS

$custom: #63bfe4;
$custom-light: #99d2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfe4",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 228
  },
  "hsl": {
    "h": 197.209,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.76225,
    "c": 0.10226,
    "h": 226.7
  },
  "luminance": 0.45516
}

Semantic roles & 50–950 ramp

primary

#63BFE4

secondary

#E8C8BB

accent

#4A13D3

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BFE4

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

Preview Lab → · Contrast checker → · Palette generator →