#63AAE5#63AAE5

#63AAE5 is a light, moderate cyan. Relative luminance 0.371; OKLCH L 71.5% C 0.112 H 245.3°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#63AAE5
RGB	rgb(99, 170, 229)
HSL	hsl(207, 71%, 64%)
HSV	hsv(207, 57%, 90%)
CMYK	cmyk(56.8%, 25.8%, 0%, 10.2%)
CIE-LAB	lab(67.32, -5.39, -36.43)
CIE-LCH	lch(67.32, 36.83, 261.58°)
OKLab	oklab(71.55% -0.0469 -0.1022)
OKLCH	oklch(71.55% 0.112 245.3)
XYZ	xyz(33.6580, 37.0563, 79.4924)
Luminance	0.3706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAE5 #E59E63

analogous

#63E5DF #63AAE5 #6369E5

triadic

#63AAE5 #E563AA #AAE563

tetradic

#63AAE5 #DF63E5 #E59E63 #69E563

square

#63AAE5 #DF63E5 #E59E63 #69E563

split-complementary

#63AAE5 #E56369 #E5DF63

monochromatic

#1D6EB0 #2F8DDC #63AAE5 #97C7EE #CCE3F6

Accessibility & contrast

On white

2.50

#63AAE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#63AAE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAE5

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAE5	#FFFFFF	#000000	##000000
##63AAE5	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91ABE8

Deuteranopia (green-blind)

#7F9EE4

Tritanopia (blue-blind)

#00B8BE

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63aae5;
/* rgb */ color: rgb(99, 170, 229);
/* oklch */ color: oklch(71.5% 0.112 245.3);

Tailwind

colors: {
  custom: {
    50: '#99c3ed',
    500: '#63aae5',
    950: '#000000',
  },
}

SCSS

$custom: #63aae5;
$custom-light: #99c3ed;
$custom-dark: #000000;

JSON

{
  "hex": "#63aae5",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 229
  },
  "hsl": {
    "h": 207.231,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.7155,
    "c": 0.11248,
    "h": 245.3
  },
  "luminance": 0.37059
}

Semantic roles & 50–950 ramp

primary

#63AAE5

secondary

#E8D0BB

accent

#6A12D3

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63AAE5

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

Preview Lab → · Contrast checker → · Palette generator →