#63ACE6#63ACE6

#63ACE6 is a light, moderate cyan. Relative luminance 0.379; OKLCH L 72.0% C 0.112 H 244.2°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#63ACE6
RGB	rgb(99, 172, 230)
HSL	hsl(207, 72%, 65%)
HSV	hsv(207, 57%, 90%)
CMYK	cmyk(57%, 25.2%, 0%, 9.8%)
CIE-LAB	lab(67.92, -6.19, -36.04)
CIE-LCH	lch(67.92, 36.57, 260.25°)
OKLab	oklab(72.04% -0.0488 -0.1011)
OKLCH	oklch(72.04% 0.112 244.2)
XYZ	xyz(34.1758, 37.8678, 80.3558)
Luminance	0.3787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACE6 #E69D63

analogous

#63E6DF #63ACE6 #636BE6

triadic

#63ACE6 #E663AC #ACE663

tetradic

#63ACE6 #DF63E6 #E69D63 #6BE663

square

#63ACE6 #DF63E6 #E69D63 #6BE663

split-complementary

#63ACE6 #E6636B #E6DF63

monochromatic

#1D70B2 #2E90DE #63ACE6 #98C8EE #CCE4F7

Accessibility & contrast

On white

2.45

#63ACE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.57

#63ACE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACE6

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACE6	#FFFFFF	#000000	##000000
##63ACE6	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93ADE9

Deuteranopia (green-blind)

#81A0E5

Tritanopia (blue-blind)

#00BAC0

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63ace6;
/* rgb */ color: rgb(99, 172, 230);
/* oklch */ color: oklch(72.0% 0.112 244.2);

Tailwind

colors: {
  custom: {
    50: '#99c4ee',
    500: '#63ace6',
    950: '#000000',
  },
}

SCSS

$custom: #63ace6;
$custom-light: #99c4ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63ace6",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 230
  },
  "hsl": {
    "h": 206.565,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.72041,
    "c": 0.11224,
    "h": 244.2
  },
  "luminance": 0.37871
}

Semantic roles & 50–950 ramp

primary

#63ACE6

secondary

#E9D0BC

accent

#6811D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63ACE6

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

Preview Lab → · Contrast checker → · Palette generator →