#63ABEF#63ABEF

#63ABEF is a light, vivid cyan. Relative luminance 0.380; OKLCH L 72.2% C 0.123 H 248.6°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#63ABEF
RGB	rgb(99, 171, 239)
HSL	hsl(209, 81%, 66%)
HSV	hsv(209, 59%, 94%)
CMYK	cmyk(58.6%, 28.5%, 0%, 6.3%)
CIE-LAB	lab(68.03, -2.84, -40.80)
CIE-LCH	lch(68.03, 40.90, 266.02°)
OKLab	oklab(72.25% -0.045 -0.1148)
OKLCH	oklch(72.25% 0.123 248.6)
XYZ	xyz(35.2828, 38.0073, 87.1214)
Luminance	0.3801 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ABEF #EFA763

analogous

#63EFED #63ABEF #6365EF

triadic

#63ABEF #EF63AB #ABEF63

tetradic

#63ABEF #ED63EF #EFA763 #65EF63

square

#63ABEF #ED63EF #EFA763 #65EF63

split-complementary

#63ABEF #EF6365 #EFED63

monochromatic

#146EC4 #2B8DE9 #63ABEF #9BC9F5 #D2E7FA

Accessibility & contrast

On white

2.44

#63ABEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#63ABEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABEF

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ABEF	#FFFFFF	#000000	##000000
##63ABEF	1.00	2.44	8.60	8.60
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.60	21.00	1.00	1.00
##000000	8.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EADF2

Deuteranopia (green-blind)

#7BA0EE

Tritanopia (blue-blind)

#00BBC3

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63abef;
/* rgb */ color: rgb(99, 171, 239);
/* oklch */ color: oklch(72.2% 0.123 248.6);

Tailwind

colors: {
  custom: {
    50: '#9ac3f4',
    500: '#63abef',
    950: '#000000',
  },
}

SCSS

$custom: #63abef;
$custom-light: #9ac3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63abef",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 239
  },
  "hsl": {
    "h": 209.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.72248,
    "c": 0.12334,
    "h": 248.6
  },
  "luminance": 0.3801
}

Semantic roles & 50–950 ramp

primary

#63ABEF

secondary

#EED6C0

accent

#7008DE

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63ABEF

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

Preview Lab → · Contrast checker → · Palette generator →