#63ABF1#63ABF1

#63ABF1 is a light, vivid cyan. Relative luminance 0.381; OKLCH L 72.3% C 0.126 H 249.3°. Best body text is #000000 at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#63ABF1
RGB	rgb(99, 171, 241)
HSL	hsl(210, 84%, 67%)
HSV	hsv(210, 59%, 95%)
CMYK	cmyk(58.9%, 29%, 0%, 5.5%)
CIE-LAB	lab(68.11, -2.21, -41.76)
CIE-LCH	lch(68.11, 41.81, 266.97°)
OKLab	oklab(72.35% -0.0444 -0.1176)
OKLCH	oklch(72.35% 0.126 249.3)
XYZ	xyz(35.5799, 38.1261, 88.6861)
Luminance	0.3813 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ABF1 #F1A963

analogous

#63F1F0 #63ABF1 #6364F1

triadic

#63ABF1 #F163AB #ABF163

tetradic

#63ABF1 #F063F1 #F1A963 #64F163

square

#63ABF1 #F063F1 #F1A963 #64F163

split-complementary

#63ABF1 #F16364 #F1F063

monochromatic

#126EC8 #2B8DEC #63ABF1 #9BC9F6 #D3E7FB

Accessibility & contrast

On white

2.43

#63ABF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.63

#63ABF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABF1

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ABF1	#FFFFFF	#000000	##000000
##63ABF1	1.00	2.43	8.63	8.63
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.63	21.00	1.00	1.00
##000000	8.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DAEF4

Deuteranopia (green-blind)

#7AA0F0

Tritanopia (blue-blind)

#00BBC4

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63abf1;
/* rgb */ color: rgb(99, 171, 241);
/* oklch */ color: oklch(72.3% 0.126 249.3);

Tailwind

colors: {
  custom: {
    50: '#9ac3f6',
    500: '#63abf1',
    950: '#000000',
  },
}

SCSS

$custom: #63abf1;
$custom-light: #9ac3f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63abf1",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 241
  },
  "hsl": {
    "h": 209.577,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.72345,
    "c": 0.1257,
    "h": 249.3
  },
  "luminance": 0.38129
}

Semantic roles & 50–950 ramp

primary

#63ABF1

secondary

#EFD8C1

accent

#7106E0

background

#FAFBFF

surface

#F3F7FE

border

#CDD0D6

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63ABF1

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

Preview Lab → · Contrast checker → · Palette generator →