#63A6F5#63A6F5

#63A6F5 is a light, vivid cyan. Relative luminance 0.365; OKLCH L 71.5% C 0.135 H 253.6°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#63A6F5
RGB	rgb(99, 166, 245)
HSL	hsl(212, 88%, 67%)
HSV	hsv(212, 60%, 96%)
CMYK	cmyk(59.6%, 32.2%, 0%, 3.9%)
CIE-LAB	lab(66.91, 1.88, -45.82)
CIE-LCH	lch(66.91, 45.86, 272.35°)
OKLab	oklab(71.46% -0.038 -0.1295)
OKLCH	oklch(71.46% 0.135 253.6)
XYZ	xyz(35.2573, 36.5145, 91.5585)
Luminance	0.3652 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A6F5 #F5B263

analogous

#63EFF5 #63A6F5 #6963F5

triadic

#63A6F5 #F563A6 #A6F563

tetradic

#63A6F5 #F563EF #F5B263 #63F569

square

#63A6F5 #F563EF #F5B263 #63F569

split-complementary

#63A6F5 #F56963 #EFF563

monochromatic

#0D67D0 #2985F1 #63A6F5 #9DC7F9 #D6E8FC

Accessibility & contrast

On white

2.53

#63A6F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#63A6F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A6F5

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A6F5	#FFFFFF	#000000	##000000
##63A6F5	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85ABF8

Deuteranopia (green-blind)

#719CF3

Tritanopia (blue-blind)

#00B8C2

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63a6f5;
/* rgb */ color: rgb(99, 166, 245);
/* oklch */ color: oklch(71.5% 0.135 253.6);

Tailwind

colors: {
  custom: {
    50: '#9ac0f9',
    500: '#63a6f5',
    950: '#000000',
  },
}

SCSS

$custom: #63a6f5;
$custom-light: #9ac0f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63a6f5",
  "rgb": {
    "r": 99,
    "g": 166,
    "b": 245
  },
  "hsl": {
    "h": 212.466,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.71461,
    "c": 0.13494,
    "h": 253.6
  },
  "luminance": 0.36518
}

Semantic roles & 50–950 ramp

primary

#63A6F5

secondary

#F1DCC3

accent

#7C01E5

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A6F5

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

Preview Lab → · Contrast checker → · Palette generator →