#63AEF8#63AEF8

#63AEF8 is a light, vivid cyan. Relative luminance 0.397; OKLCH L 73.3% C 0.132 H 249.8°. Best body text is #000000 at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#63AEF8
RGB	rgb(99, 174, 248)
HSL	hsl(210, 91%, 68%)
HSV	hsv(210, 60%, 97%)
CMYK	cmyk(60.1%, 29.8%, 0%, 2.7%)
CIE-LAB	lab(69.25, -1.68, -43.78)
CIE-LCH	lch(69.25, 43.81, 267.81°)
OKLab	oklab(73.34% -0.0455 -0.1234)
OKLCH	oklch(73.34% 0.132 249.8)
XYZ	xyz(37.2187, 39.6986, 94.4899)
Luminance	0.3970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AEF8 #F8AD63

analogous

#63F8F8 #63AEF8 #6363F8

triadic

#63AEF8 #F863AE #AEF863

tetradic

#63AEF8 #F863F8 #F8AD63 #63F863

square

#63AEF8 #F863F8 #F8AD63 #63F863

split-complementary

#63AEF8 #F86363 #F8F863

monochromatic

#0A71D7 #2890F5 #63AEF8 #9ECCFB #D8EBFD

Accessibility & contrast

On white

2.35

#63AEF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.94

#63AEF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEF8

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AEF8	#FFFFFF	#000000	##000000
##63AEF8	1.00	2.35	8.94	8.94
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.94	21.00	1.00	1.00
##000000	8.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EB1FB

Deuteranopia (green-blind)

#7AA3F7

Tritanopia (blue-blind)

#00BFC8

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63aef8;
/* rgb */ color: rgb(99, 174, 248);
/* oklch */ color: oklch(73.3% 0.132 249.8);

Tailwind

colors: {
  custom: {
    50: '#9bc5fb',
    500: '#63aef8',
    950: '#000000',
  },
}

SCSS

$custom: #63aef8;
$custom-light: #9bc5fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63aef8",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 248
  },
  "hsl": {
    "h": 209.799,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.73344,
    "c": 0.13157,
    "h": 249.8
  },
  "luminance": 0.39702
}

Semantic roles & 50–950 ramp

primary

#63AEF8

secondary

#F2DBC5

accent

#7200E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63AEF8

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

Preview Lab → · Contrast checker → · Palette generator →