#63AAE9#63AAE9

#63AAE9 is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.7% C 0.117 H 247.0°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#63AAE9
RGB	rgb(99, 170, 233)
HSL	hsl(208, 75%, 65%)
HSV	hsv(208, 58%, 91%)
CMYK	cmyk(57.5%, 27%, 0%, 8.6%)
CIE-LAB	lab(67.49, -4.15, -38.36)
CIE-LCH	lch(67.49, 38.59, 263.82°)
OKLab	oklab(71.74% -0.0457 -0.1078)
OKLCH	oklch(71.74% 0.117 247)
XYZ	xyz(34.2229, 37.2822, 82.4677)
Luminance	0.3729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAE9 #E9A263

analogous

#63E9E5 #63AAE9 #6367E9

triadic

#63AAE9 #E963AA #AAE963

tetradic

#63AAE9 #E563E9 #E9A263 #67E963

square

#63AAE9 #E563E9 #E9A263 #67E963

split-complementary

#63AAE9 #E96367 #E9E563

monochromatic

#1A6EB8 #2D8DE1 #63AAE9 #99C7F1 #CEE4F8

Accessibility & contrast

On white

2.48

#63AAE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#63AAE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAE9

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAE9	#FFFFFF	#000000	##000000
##63AAE9	1.00	2.48	8.46	8.46
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.46	21.00	1.00	1.00
##000000	8.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FACEC

Deuteranopia (green-blind)

#7D9EE8

Tritanopia (blue-blind)

#00B9C0

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63aae9;
/* rgb */ color: rgb(99, 170, 233);
/* oklch */ color: oklch(71.7% 0.117 247.0);

Tailwind

colors: {
  custom: {
    50: '#99c3f0',
    500: '#63aae9',
    950: '#000000',
  },
}

SCSS

$custom: #63aae9;
$custom-light: #99c3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63aae9",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 233
  },
  "hsl": {
    "h": 208.209,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.71739,
    "c": 0.11707,
    "h": 247
  },
  "luminance": 0.37285
}

Semantic roles & 50–950 ramp

primary

#63AAE9

secondary

#EBD3BD

accent

#6D0ED7

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63AAE9

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

Preview Lab → · Contrast checker → · Palette generator →