#63BBF7#63BBF7

#63BBF7 is a light, vivid cyan. Relative luminance 0.449; OKLCH L 76.1% C 0.121 H 240.7°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#63BBF7
RGB	rgb(99, 187, 247)
HSL	hsl(204, 90%, 68%)
HSV	hsv(204, 60%, 97%)
CMYK	cmyk(59.9%, 24.3%, 0%, 3.1%)
CIE-LAB	lab(72.83, -9.14, -37.66)
CIE-LCH	lch(72.83, 38.75, 256.36°)
OKLab	oklab(76.15% -0.0593 -0.1057)
OKLCH	oklch(76.15% 0.121 240.7)
XYZ	xyz(39.6981, 44.9049, 94.5531)
Luminance	0.4491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BBF7 #F79F63

analogous

#63F7E9 #63BBF7 #6371F7

triadic

#63BBF7 #F763BB #BBF763

tetradic

#63BBF7 #E963F7 #F79F63 #71F763

square

#63BBF7 #E963F7 #F79F63 #71F763

split-complementary

#63BBF7 #F76371 #F7E963

monochromatic

#0B83D5 #29A2F4 #63BBF7 #9DD4FA #D7EEFD

Accessibility & contrast

On white

2.10

#63BBF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#63BBF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBF7

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BBF7	#FFFFFF	#000000	##000000
##63BBF7	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0BBFA

Deuteranopia (green-blind)

#8CACF6

Tritanopia (blue-blind)

#00CACF

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bbf7;
/* rgb */ color: rgb(99, 187, 247);
/* oklch */ color: oklch(76.1% 0.121 240.7);

Tailwind

colors: {
  custom: {
    50: '#9bcffa',
    500: '#63bbf7',
    950: '#000000',
  },
}

SCSS

$custom: #63bbf7;
$custom-light: #9bcffa;
$custom-dark: #000000;

JSON

{
  "hex": "#63bbf7",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 247
  },
  "hsl": {
    "h": 204.324,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.7615,
    "c": 0.12117,
    "h": 240.7
  },
  "luminance": 0.44909
}

Semantic roles & 50–950 ramp

primary

#63BBF7

secondary

#F2D7C4

accent

#5D00E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63BBF7

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

Preview Lab → · Contrast checker → · Palette generator →