#63ADE6#63ADE6

#63ADE6 is a light, moderate cyan. Relative luminance 0.383; OKLCH L 72.3% C 0.112 H 243.5°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#63ADE6
RGB	rgb(99, 173, 230)
HSL	hsl(206, 72%, 65%)
HSV	hsv(206, 57%, 90%)
CMYK	cmyk(57%, 24.8%, 0%, 9.8%)
CIE-LAB	lab(68.20, -6.74, -35.61)
CIE-LCH	lch(68.20, 36.24, 259.28°)
OKLab	oklab(72.26% -0.0499 -0.0998)
OKLCH	oklch(72.26% 0.112 243.5)
XYZ	xyz(34.3668, 38.2499, 80.4195)
Luminance	0.3825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADE6 #E69C63

analogous

#63E6DE #63ADE6 #636CE6

triadic

#63ADE6 #E663AD #ADE663

tetradic

#63ADE6 #DE63E6 #E69C63 #6CE663

square

#63ADE6 #DE63E6 #E69C63 #6CE663

split-complementary

#63ADE6 #E6636C #E6DE63

monochromatic

#1D71B2 #2E91DE #63ADE6 #98C9EE #CCE4F7

Accessibility & contrast

On white

2.43

#63ADE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.65

#63ADE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADE6

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADE6	#FFFFFF	#000000	##000000
##63ADE6	1.00	2.43	8.65	8.65
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.65	21.00	1.00	1.00
##000000	8.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94AEE9

Deuteranopia (green-blind)

#82A0E5

Tritanopia (blue-blind)

#00BBC0

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63ade6;
/* rgb */ color: rgb(99, 173, 230);
/* oklch */ color: oklch(72.3% 0.112 243.5);

Tailwind

colors: {
  custom: {
    50: '#99c5ee',
    500: '#63ade6',
    950: '#000000',
  },
}

SCSS

$custom: #63ade6;
$custom-light: #99c5ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63ade6",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 230
  },
  "hsl": {
    "h": 206.107,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.72263,
    "c": 0.11158,
    "h": 243.5
  },
  "luminance": 0.38253
}

Semantic roles & 50–950 ramp

primary

#63ADE6

secondary

#E9CFBC

accent

#6611D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63ADE6

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

Preview Lab → · Contrast checker → · Palette generator →