#63ADE0#63ADE0

#63ADE0 is a light, moderate cyan. Relative luminance 0.379; OKLCH L 72.0% C 0.105 H 240.5°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#63ADE0
RGB	rgb(99, 173, 224)
HSL	hsl(204, 67%, 63%)
HSV	hsv(204, 56%, 88%)
CMYK	cmyk(55.8%, 22.8%, 0%, 12.2%)
CIE-LAB	lab(67.96, -8.58, -32.70)
CIE-LCH	lch(67.96, 33.80, 255.30°)
OKLab	oklab(71.99% -0.0518 -0.0915)
OKLCH	oklch(71.99% 0.105 240.5)
XYZ	xyz(33.5388, 37.9187, 76.0582)
Luminance	0.3792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADE0 #E09663

analogous

#63E0D4 #63ADE0 #636EE0

triadic

#63ADE0 #E063AD #ADE063

tetradic

#63ADE0 #D463E0 #E09663 #6EE063

square

#63ADE0 #D463E0 #E09663 #6EE063

split-complementary

#63ADE0 #E0636E #E0D463

monochromatic

#2171A7 #3092D6 #63ADE0 #96C8EA #C9E3F4

Accessibility & contrast

On white

2.45

#63ADE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#63ADE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADE0

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADE0	#FFFFFF	#000000	##000000
##63ADE0	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96ADE2

Deuteranopia (green-blind)

#85A0DF

Tritanopia (blue-blind)

#00BABE

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63ade0;
/* rgb */ color: rgb(99, 173, 224);
/* oklch */ color: oklch(72.0% 0.105 240.5);

Tailwind

colors: {
  custom: {
    50: '#98c5ea',
    500: '#63ade0',
    950: '#000000',
  },
}

SCSS

$custom: #63ade0;
$custom-light: #98c5ea;
$custom-dark: #000000;

JSON

{
  "hex": "#63ade0",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 224
  },
  "hsl": {
    "h": 204.48,
    "s": 66.845,
    "l": 63.333
  },
  "oklch": {
    "l": 0.7199,
    "c": 0.10512,
    "h": 240.5
  },
  "luminance": 0.37922
}

Semantic roles & 50–950 ramp

primary

#63ADE0

secondary

#E6CBB9

accent

#6217CF

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63ADE0

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

Preview Lab → · Contrast checker → · Palette generator →