#63AAF2#63AAF2

#63AAF2 is a light, vivid cyan. Relative luminance 0.378; OKLCH L 72.2% C 0.128 H 250.3°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#63AAF2
RGB	rgb(99, 170, 242)
HSL	hsl(210, 85%, 67%)
HSV	hsv(210, 59%, 95%)
CMYK	cmyk(59.1%, 29.8%, 0%, 5.1%)
CIE-LAB	lab(67.88, -1.33, -42.67)
CIE-LCH	lch(67.88, 42.69, 268.21°)
OKLab	oklab(72.18% -0.043 -0.1203)
OKLCH	oklch(72.18% 0.128 250.3)
XYZ	xyz(35.5415, 37.8097, 89.4122)
Luminance	0.3781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAF2 #F2AB63

analogous

#63F1F2 #63AAF2 #6463F2

triadic

#63AAF2 #F263AA #AAF263

tetradic

#63AAF2 #F263F1 #F2AB63 #63F264

square

#63AAF2 #F263F1 #F2AB63 #63F264

split-complementary

#63AAF2 #F26463 #F1F263

monochromatic

#116DCA #2B8BED #63AAF2 #9BC9F7 #D4E8FB

Accessibility & contrast

On white

2.45

#63AAF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#63AAF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAF2

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAF2	#FFFFFF	#000000	##000000
##63AAF2	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BADF5

Deuteranopia (green-blind)

#789FF1

Tritanopia (blue-blind)

#00BBC3

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63aaf2;
/* rgb */ color: rgb(99, 170, 242);
/* oklch */ color: oklch(72.2% 0.128 250.3);

Tailwind

colors: {
  custom: {
    50: '#9ac3f6',
    500: '#63aaf2',
    950: '#000000',
  },
}

SCSS

$custom: #63aaf2;
$custom-light: #9ac3f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63aaf2",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 242
  },
  "hsl": {
    "h": 210.21,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.72176,
    "c": 0.12773,
    "h": 250.3
  },
  "luminance": 0.37813
}

Semantic roles & 50–950 ramp

primary

#63AAF2

secondary

#EFD9C2

accent

#7404E1

background

#FAFBFF

surface

#F3F7FE

border

#CDD0D6

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63AAF2

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

Preview Lab → · Contrast checker → · Palette generator →