#63A9F9#63A9F9

#63A9F9 is a light, vivid cyan. Relative luminance 0.379; OKLCH L 72.3% C 0.137 H 253.0°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#63A9F9
RGB	rgb(99, 169, 249)
HSL	hsl(212, 93%, 68%)
HSV	hsv(212, 60%, 98%)
CMYK	cmyk(60.2%, 32.1%, 0%, 2.4%)
CIE-LAB	lab(67.92, 1.46, -46.41)
CIE-LCH	lch(67.92, 46.44, 271.80°)
OKLab	oklab(72.31% -0.0401 -0.1312)
OKLCH	oklch(72.31% 0.137 253)
XYZ	xyz(36.4263, 37.8648, 94.9932)
Luminance	0.3787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A9F9 #F9B363

analogous

#63F4F9 #63A9F9 #6863F9

triadic

#63A9F9 #F963A9 #A9F963

tetradic

#63A9F9 #F963F4 #F9B363 #63F968

square

#63A9F9 #F963F4 #F9B363 #63F968

split-complementary

#63A9F9 #F96863 #F4F963

monochromatic

#086AD9 #2889F7 #63A9F9 #9EC9FB #D9EAFE

Accessibility & contrast

On white

2.45

#63A9F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.57

#63A9F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A9F9

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A9F9	#FFFFFF	#000000	##000000
##63A9F9	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87ADFC

Deuteranopia (green-blind)

#739FF7

Tritanopia (blue-blind)

#00BBC6

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63a9f9;
/* rgb */ color: rgb(99, 169, 249);
/* oklch */ color: oklch(72.3% 0.137 253.0);

Tailwind

colors: {
  custom: {
    50: '#9bc2fb',
    500: '#63a9f9',
    950: '#000000',
  },
}

SCSS

$custom: #63a9f9;
$custom-light: #9bc2fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63a9f9",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 249
  },
  "hsl": {
    "h": 212,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.72312,
    "c": 0.13714,
    "h": 253
  },
  "luminance": 0.37868
}

Semantic roles & 50–950 ramp

primary

#63A9F9

secondary

#F3DDC5

accent

#7A00E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A9F9

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

Preview Lab → · Contrast checker → · Palette generator →