#63A3F6#63A3F6

#63A3F6 is a light, vivid cyan. Relative luminance 0.355; OKLCH L 70.9% C 0.139 H 255.6°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#63A3F6
RGB	rgb(99, 163, 246)
HSL	hsl(214, 89%, 68%)
HSV	hsv(214, 60%, 96%)
CMYK	cmyk(59.8%, 33.7%, 0%, 3.5%)
CIE-LAB	lab(66.13, 3.92, -47.59)
CIE-LCH	lch(66.13, 47.75, 274.70°)
OKLab	oklab(70.87% -0.0346 -0.1346)
OKLCH	oklch(70.87% 0.139 255.6)
XYZ	xyz(34.8714, 35.4977, 92.1850)
Luminance	0.3550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3F6 #F6B663

analogous

#63ECF6 #63A3F6 #6D63F6

triadic

#63A3F6 #F663A3 #A3F663

tetradic

#63A3F6 #F663EC #F6B663 #63F66D

square

#63A3F6 #F663EC #F6B663 #63F66D

split-complementary

#63A3F6 #F66D63 #ECF663

monochromatic

#0C62D2 #2981F3 #63A3F6 #9DC5F9 #D7E7FD

Accessibility & contrast

On white

2.59

#63A3F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#63A3F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3F6

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3F6	#FFFFFF	#000000	##000000
##63A3F6	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A8F9

Deuteranopia (green-blind)

#6C9AF4

Tritanopia (blue-blind)

#00B6C1

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a3f6;
/* rgb */ color: rgb(99, 163, 246);
/* oklch */ color: oklch(70.9% 0.139 255.6);

Tailwind

colors: {
  custom: {
    50: '#9bbdf9',
    500: '#63a3f6',
    950: '#000000',
  },
}

SCSS

$custom: #63a3f6;
$custom-light: #9bbdf9;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3f6",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 246
  },
  "hsl": {
    "h": 213.878,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.70869,
    "c": 0.13904,
    "h": 255.6
  },
  "luminance": 0.35501
}

Semantic roles & 50–950 ramp

primary

#63A3F6

secondary

#F1DDC4

accent

#8200E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A3F6

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

Preview Lab → · Contrast checker → · Palette generator →