#63A4F8#63A4F8

#63A4F8 is a light, vivid cyan. Relative luminance 0.360; OKLCH L 71.2% C 0.141 H 255.5°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#63A4F8
RGB	rgb(99, 164, 248)
HSL	hsl(214, 91%, 68%)
HSV	hsv(214, 60%, 97%)
CMYK	cmyk(60.1%, 33.9%, 0%, 2.7%)
CIE-LAB	lab(66.50, 3.99, -48.10)
CIE-LCH	lch(66.50, 48.27, 274.74°)
OKLab	oklab(71.19% -0.0352 -0.1361)
OKLCH	oklch(71.19% 0.141 255.5)
XYZ	xyz(35.3583, 35.9777, 93.8698)
Luminance	0.3598 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4F8 #F8B763

analogous

#63EEF8 #63A4F8 #6D63F8

triadic

#63A4F8 #F863A4 #A4F863

tetradic

#63A4F8 #F863EE #F8B763 #63F86D

square

#63A4F8 #F863EE #F8B763 #63F86D

split-complementary

#63A4F8 #F86D63 #EEF863

monochromatic

#0A63D7 #2882F5 #63A4F8 #9EC6FB #D8E8FD

Accessibility & contrast

On white

2.56

#63A4F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.20

#63A4F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4F8

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4F8	#FFFFFF	#000000	##000000
##63A4F8	1.00	2.56	8.20	8.20
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.20	21.00	1.00	1.00
##000000	8.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A9FC

Deuteranopia (green-blind)

#6C9BF6

Tritanopia (blue-blind)

#00B7C2

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a4f8;
/* rgb */ color: rgb(99, 164, 248);
/* oklch */ color: oklch(71.2% 0.141 255.5);

Tailwind

colors: {
  custom: {
    50: '#9bbefb',
    500: '#63a4f8',
    950: '#000000',
  },
}

SCSS

$custom: #63a4f8;
$custom-light: #9bbefb;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4f8",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 248
  },
  "hsl": {
    "h": 213.826,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.71188,
    "c": 0.1406,
    "h": 255.5
  },
  "luminance": 0.35981
}

Semantic roles & 50–950 ramp

primary

#63A4F8

secondary

#F2DEC5

accent

#8100E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A4F8

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

Preview Lab → · Contrast checker → · Palette generator →