#63A4F6#63A4F6

#63A4F6 is a light, vivid cyan. Relative luminance 0.359; OKLCH L 71.1% C 0.138 H 255.0°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#63A4F6
RGB	rgb(99, 164, 246)
HSL	hsl(213, 89%, 68%)
HSV	hsv(213, 60%, 96%)
CMYK	cmyk(59.8%, 33.3%, 0%, 3.5%)
CIE-LAB	lab(66.41, 3.34, -47.16)
CIE-LCH	lch(66.41, 47.28, 274.06°)
OKLab	oklab(71.08% -0.0357 -0.1334)
OKLCH	oklch(71.08% 0.138 255)
XYZ	xyz(35.0497, 35.8542, 92.2444)
Luminance	0.3586 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4F6 #F6B563

analogous

#63EEF6 #63A4F6 #6B63F6

triadic

#63A4F6 #F663A4 #A4F663

tetradic

#63A4F6 #F663EE #F6B563 #63F66B

square

#63A4F6 #F663EE #F6B563 #63F66B

split-complementary

#63A4F6 #F66B63 #EEF663

monochromatic

#0C64D2 #2982F3 #63A4F6 #9DC6F9 #D7E8FD

Accessibility & contrast

On white

2.57

#63A4F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#63A4F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4F6

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4F6	#FFFFFF	#000000	##000000
##63A4F6	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A9F9

Deuteranopia (green-blind)

#6E9BF4

Tritanopia (blue-blind)

#00B7C2

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a4f6;
/* rgb */ color: rgb(99, 164, 246);
/* oklch */ color: oklch(71.1% 0.138 255.0);

Tailwind

colors: {
  custom: {
    50: '#9bbef9',
    500: '#63a4f6',
    950: '#000000',
  },
}

SCSS

$custom: #63a4f6;
$custom-light: #9bbef9;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4f6",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 246
  },
  "hsl": {
    "h": 213.469,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.71083,
    "c": 0.13807,
    "h": 255
  },
  "luminance": 0.35857
}

Semantic roles & 50–950 ramp

primary

#63A4F6

secondary

#F1DDC4

accent

#8000E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A4F6

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

Preview Lab → · Contrast checker → · Palette generator →