#63AEE5#63AEE5

#63AEE5 is a light, moderate cyan. Relative luminance 0.386; OKLCH L 72.4% C 0.110 H 242.2°. Best body text is #000000 at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#63AEE5
RGB	rgb(99, 174, 229)
HSL	hsl(205, 71%, 64%)
HSV	hsv(205, 57%, 90%)
CMYK	cmyk(56.8%, 24%, 0%, 10.2%)
CIE-LAB	lab(68.45, -7.60, -34.68)
CIE-LCH	lch(68.45, 35.51, 257.64°)
OKLab	oklab(72.44% -0.0513 -0.0972)
OKLCH	oklch(72.44% 0.11 242.2)
XYZ	xyz(34.4193, 38.5788, 79.7462)
Luminance	0.3858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AEE5 #E59A63

analogous

#63E5DB #63AEE5 #636DE5

triadic

#63AEE5 #E563AE #AEE563

tetradic

#63AEE5 #DB63E5 #E59A63 #6DE563

square

#63AEE5 #DB63E5 #E59A63 #6DE563

split-complementary

#63AEE5 #E5636D #E5DB63

monochromatic

#1D72B0 #2F93DC #63AEE5 #97C9EE #CCE4F6

Accessibility & contrast

On white

2.41

#63AEE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.72

#63AEE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEE5

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AEE5	#FFFFFF	#000000	##000000
##63AEE5	1.00	2.41	8.72	8.72
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.72	21.00	1.00	1.00
##000000	8.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96AEE8

Deuteranopia (green-blind)

#84A1E4

Tritanopia (blue-blind)

#00BBC1

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63aee5;
/* rgb */ color: rgb(99, 174, 229);
/* oklch */ color: oklch(72.4% 0.110 242.2);

Tailwind

colors: {
  custom: {
    50: '#99c6ed',
    500: '#63aee5',
    950: '#000000',
  },
}

SCSS

$custom: #63aee5;
$custom-light: #99c6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#63aee5",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 229
  },
  "hsl": {
    "h": 205.385,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.72439,
    "c": 0.10987,
    "h": 242.2
  },
  "luminance": 0.38582
}

Semantic roles & 50–950 ramp

primary

#63AEE5

secondary

#E8CEBB

accent

#6412D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63AEE5

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

Preview Lab → · Contrast checker → · Palette generator →