#63AAEC#63AAEC

#63AAEC is a light, vivid cyan. Relative luminance 0.375; OKLCH L 71.9% C 0.121 H 248.2°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#63AAEC
RGB	rgb(99, 170, 236)
HSL	hsl(209, 78%, 66%)
HSV	hsv(209, 58%, 93%)
CMYK	cmyk(58.1%, 28%, 0%, 7.5%)
CIE-LAB	lab(67.62, -3.22, -39.80)
CIE-LCH	lch(67.62, 39.93, 265.38°)
OKLab	oklab(71.88% -0.0448 -0.112)
OKLCH	oklch(71.88% 0.121 248.2)
XYZ	xyz(34.6551, 37.4551, 84.7439)
Luminance	0.3746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAEC #ECA563

analogous

#63ECE9 #63AAEC #6365EC

triadic

#63AAEC #EC63AA #AAEC63

tetradic

#63AAEC #E963EC #ECA563 #65EC63

square

#63AAEC #E963EC #ECA563 #65EC63

split-complementary

#63AAEC #EC6365 #ECE963

monochromatic

#176DBE #2C8CE5 #63AAEC #9AC8F3 #D0E5F9

Accessibility & contrast

On white

2.47

#63AAEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.49

#63AAEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAEC

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAEC	#FFFFFF	#000000	##000000
##63AAEC	1.00	2.47	8.49	8.49
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.49	21.00	1.00	1.00
##000000	8.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EACEF

Deuteranopia (green-blind)

#7C9FEB

Tritanopia (blue-blind)

#00BAC1

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63aaec;
/* rgb */ color: rgb(99, 170, 236);
/* oklch */ color: oklch(71.9% 0.121 248.2);

Tailwind

colors: {
  custom: {
    50: '#99c3f2',
    500: '#63aaec',
    950: '#000000',
  },
}

SCSS

$custom: #63aaec;
$custom-light: #99c3f2;
$custom-dark: #000000;

JSON

{
  "hex": "#63aaec",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 236
  },
  "hsl": {
    "h": 208.905,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.71883,
    "c": 0.12058,
    "h": 248.2
  },
  "luminance": 0.37458
}

Semantic roles & 50–950 ramp

primary

#63AAEC

secondary

#ECD5BF

accent

#6F0BDB

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63AAEC

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

Preview Lab → · Contrast checker → · Palette generator →