#63AEF4#63AEF4

#63AEF4 is a light, vivid cyan. Relative luminance 0.395; OKLCH L 73.1% C 0.127 H 248.4°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#63AEF4
RGB	rgb(99, 174, 244)
HSL	hsl(209, 87%, 67%)
HSV	hsv(209, 59%, 96%)
CMYK	cmyk(59.4%, 28.7%, 0%, 4.3%)
CIE-LAB	lab(69.08, -2.94, -41.88)
CIE-LCH	lch(69.08, 41.98, 265.99°)
OKLab	oklab(73.15% -0.0467 -0.1179)
OKLCH	oklch(73.15% 0.127 248.4)
XYZ	xyz(36.6048, 39.4530, 91.2566)
Luminance	0.3946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AEF4 #F4A963

analogous

#63F4F2 #63AEF4 #6365F4

triadic

#63AEF4 #F463AE #AEF463

tetradic

#63AEF4 #F263F4 #F4A963 #65F463

square

#63AEF4 #F263F4 #F4A963 #65F463

split-complementary

#63AEF4 #F46365 #F4F263

monochromatic

#0F72CE #2A90F0 #63AEF4 #9CCCF8 #D5E9FC

Accessibility & contrast

On white

2.36

#63AEF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#63AEF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEF4

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AEF4	#FFFFFF	#000000	##000000
##63AEF4	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90B0F7

Deuteranopia (green-blind)

#7DA2F3

Tritanopia (blue-blind)

#00BEC7

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63aef4;
/* rgb */ color: rgb(99, 174, 244);
/* oklch */ color: oklch(73.1% 0.127 248.4);

Tailwind

colors: {
  custom: {
    50: '#9ac5f8',
    500: '#63aef4',
    950: '#000000',
  },
}

SCSS

$custom: #63aef4;
$custom-light: #9ac5f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63aef4",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 244
  },
  "hsl": {
    "h": 208.966,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.73147,
    "c": 0.12684,
    "h": 248.4
  },
  "luminance": 0.39456
}

Semantic roles & 50–950 ramp

primary

#63AEF4

secondary

#F0D9C3

accent

#6F02E3

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63AEF4

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

Preview Lab → · Contrast checker → · Palette generator →