#63A8F0#63A8F0

#63A8F0 is a light, vivid cyan. Relative luminance 0.369; OKLCH L 71.6% C 0.127 H 250.9°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#63A8F0
RGB	rgb(99, 168, 240)
HSL	hsl(211, 82%, 66%)
HSV	hsv(211, 59%, 94%)
CMYK	cmyk(58.8%, 30%, 0%, 5.9%)
CIE-LAB	lab(67.24, -0.84, -42.58)
CIE-LCH	lch(67.24, 42.59, 268.87°)
OKLab	oklab(71.64% -0.0415 -0.12)
OKLCH	oklch(71.64% 0.127 250.9)
XYZ	xyz(34.8707, 36.9460, 87.7148)
Luminance	0.3695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A8F0 #F0AB63

analogous

#63EFF0 #63A8F0 #6563F0

triadic

#63A8F0 #F063A8 #A8F063

tetradic

#63A8F0 #F063EF #F0AB63 #63F065

square

#63A8F0 #F063EF #F0AB63 #63F065

split-complementary

#63A8F0 #F06563 #EFF063

monochromatic

#136AC6 #2B89EB #63A8F0 #9BC7F5 #D3E6FB

Accessibility & contrast

On white

2.50

#63A8F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#63A8F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8F0

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A8F0	#FFFFFF	#000000	##000000
##63A8F0	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AABF3

Deuteranopia (green-blind)

#779EEF

Tritanopia (blue-blind)

#00B9C1

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63a8f0;
/* rgb */ color: rgb(99, 168, 240);
/* oklch */ color: oklch(71.6% 0.127 250.9);

Tailwind

colors: {
  custom: {
    50: '#9ac1f5',
    500: '#63a8f0',
    950: '#000000',
  },
}

SCSS

$custom: #63a8f0;
$custom-light: #9ac1f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63a8f0",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 240
  },
  "hsl": {
    "h": 210.638,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.71642,
    "c": 0.127,
    "h": 250.9
  },
  "luminance": 0.36949
}

Semantic roles & 50–950 ramp

primary

#63A8F0

secondary

#EED8C1

accent

#7507DF

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A8F0

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

Preview Lab → · Contrast checker → · Palette generator →