#63A9FF#63A9FF

#63A9FF is a light, vivid cyan. Relative luminance 0.382; OKLCH L 72.6% C 0.145 H 254.6°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#63A9FF
RGB	rgb(99, 169, 255)
HSL	hsl(213, 100%, 69%)
HSV	hsv(213, 61%, 100%)
CMYK	cmyk(61.2%, 33.7%, 0%, 0%)
CIE-LAB	lab(68.20, 3.38, -49.23)
CIE-LCH	lch(68.20, 49.35, 273.93°)
OKLab	oklab(72.62% -0.0385 -0.1394)
OKLCH	oklch(72.62% 0.145 254.6)
XYZ	xyz(37.3771, 38.2451, 100.0006)
Luminance	0.3825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A9FF #FFB963

analogous

#63F7FF #63A9FF #6B63FF

triadic

#63A9FF #FF63A9 #A9FF63

tetradic

#63A9FF #FF63F7 #FFB963 #63FF6B

square

#63A9FF #FF63F7 #FFB963 #63FF6B

split-complementary

#63A9FF #FF6B63 #F7FF63

monochromatic

#0068E8 #2687FF #63A9FF #A0CBFF #DDECFF

Accessibility & contrast

On white

2.43

#63A9FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.65

#63A9FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A9FF

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A9FF	#FFFFFF	#000000	##000000
##63A9FF	1.00	2.43	8.65	8.65
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.65	21.00	1.00	1.00
##000000	8.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84AEFF

Deuteranopia (green-blind)

#6FA0FD

Tritanopia (blue-blind)

#00BDC8

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63a9ff;
/* rgb */ color: rgb(99, 169, 255);
/* oklch */ color: oklch(72.6% 0.145 254.6);

Tailwind

colors: {
  custom: {
    50: '#9cc2ff',
    500: '#63a9ff',
    950: '#000000',
  },
}

SCSS

$custom: #63a9ff;
$custom-light: #9cc2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63a9ff",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 255
  },
  "hsl": {
    "h": 213.077,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.72623,
    "c": 0.14459,
    "h": 254.6
  },
  "luminance": 0.38249
}

Semantic roles & 50–950 ramp

primary

#63A9FF

secondary

#F5E1C8

accent

#7F00E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #63A9FF

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

Preview Lab → · Contrast checker → · Palette generator →