#63ADE1#63ADE1

#63ADE1 is a light, moderate cyan. Relative luminance 0.380; OKLCH L 72.0% C 0.106 H 241.0°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#63ADE1
RGB	rgb(99, 173, 225)
HSL	hsl(205, 68%, 64%)
HSV	hsv(205, 56%, 88%)
CMYK	cmyk(56%, 23.1%, 0%, 11.8%)
CIE-LAB	lab(68.00, -8.27, -33.18)
CIE-LCH	lch(68.00, 34.20, 256.00°)
OKLab	oklab(72.04% -0.0515 -0.0928)
OKLCH	oklch(72.04% 0.106 241)
XYZ	xyz(33.6748, 37.9731, 76.7745)
Luminance	0.3798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADE1 #E19763

analogous

#63E1D6 #63ADE1 #636EE1

triadic

#63ADE1 #E163AD #ADE163

tetradic

#63ADE1 #D663E1 #E19763 #6EE163

square

#63ADE1 #D663E1 #E19763 #6EE163

split-complementary

#63ADE1 #E1636E #E1D663

monochromatic

#2171A9 #3092D7 #63ADE1 #96C8EB #CAE3F5

Accessibility & contrast

On white

2.44

#63ADE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#63ADE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADE1

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADE1	#FFFFFF	#000000	##000000
##63ADE1	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)

#96ADE3

Deuteranopia (green-blind)

#85A0E0

Tritanopia (blue-blind)

#00BABF

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63ade1;
/* rgb */ color: rgb(99, 173, 225);
/* oklch */ color: oklch(72.0% 0.106 241.0);

Tailwind

colors: {
  custom: {
    50: '#98c5ea',
    500: '#63ade1',
    950: '#000000',
  },
}

SCSS

$custom: #63ade1;
$custom-light: #98c5ea;
$custom-dark: #000000;

JSON

{
  "hex": "#63ade1",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 225
  },
  "hsl": {
    "h": 204.762,
    "s": 67.742,
    "l": 63.529
  },
  "oklch": {
    "l": 0.72035,
    "c": 0.10617,
    "h": 241
  },
  "luminance": 0.37976
}

Semantic roles & 50–950 ramp

primary

#63ADE1

secondary

#E6CCBA

accent

#6316D0

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63ADE1

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

Preview Lab → · Contrast checker → · Palette generator →