#63ACE0#63ACE0

#63ACE0 is a light, moderate cyan. Relative luminance 0.375; OKLCH L 71.8% C 0.106 H 241.3°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#63ACE0
RGB	rgb(99, 172, 224)
HSL	hsl(205, 67%, 63%)
HSV	hsv(205, 56%, 88%)
CMYK	cmyk(55.8%, 23.2%, 0%, 12.2%)
CIE-LAB	lab(67.68, -8.03, -33.14)
CIE-LCH	lch(67.68, 34.09, 256.38°)
OKLab	oklab(71.77% -0.0507 -0.0927)
OKLCH	oklch(71.77% 0.106 241.3)
XYZ	xyz(33.3477, 37.5366, 75.9945)
Luminance	0.3754 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACE0 #E09763

analogous

#63E0D5 #63ACE0 #636DE0

triadic

#63ACE0 #E063AC #ACE063

tetradic

#63ACE0 #D563E0 #E09763 #6DE063

square

#63ACE0 #D563E0 #E09763 #6DE063

split-complementary

#63ACE0 #E0636D #E0D563

monochromatic

#2170A7 #3091D6 #63ACE0 #96C7EA #C9E2F4

Accessibility & contrast

On white

2.47

#63ACE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#63ACE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACE0

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACE0	#FFFFFF	#000000	##000000
##63ACE0	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95ACE2

Deuteranopia (green-blind)

#849FDF

Tritanopia (blue-blind)

#00B9BE

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63ace0;
/* rgb */ color: rgb(99, 172, 224);
/* oklch */ color: oklch(71.8% 0.106 241.3);

Tailwind

colors: {
  custom: {
    50: '#98c4ea',
    500: '#63ace0',
    950: '#000000',
  },
}

SCSS

$custom: #63ace0;
$custom-light: #98c4ea;
$custom-dark: #000000;

JSON

{
  "hex": "#63ace0",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 224
  },
  "hsl": {
    "h": 204.96,
    "s": 66.845,
    "l": 63.333
  },
  "oklch": {
    "l": 0.71766,
    "c": 0.10569,
    "h": 241.3
  },
  "luminance": 0.3754
}

Semantic roles & 50–950 ramp

primary

#63ACE0

secondary

#E6CCB9

accent

#6317CF

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63ACE0

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

Preview Lab → · Contrast checker → · Palette generator →