#63AAE3#63AAE3

#63AAE3 is a light, moderate cyan. Relative luminance 0.369; OKLCH L 71.5% C 0.110 H 244.4°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#63AAE3
RGB	rgb(99, 170, 227)
HSL	hsl(207, 70%, 64%)
HSV	hsv(207, 56%, 89%)
CMYK	cmyk(56.4%, 25.1%, 0%, 11%)
CIE-LAB	lab(67.24, -6.01, -35.47)
CIE-LCH	lch(67.24, 35.97, 260.38°)
OKLab	oklab(71.46% -0.0475 -0.0994)
OKLCH	oklch(71.46% 0.11 244.4)
XYZ	xyz(33.3804, 36.9452, 78.0302)
Luminance	0.3695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAE3 #E39C63

analogous

#63E3DC #63AAE3 #636AE3

triadic

#63AAE3 #E363AA #AAE363

tetradic

#63AAE3 #DC63E3 #E39C63 #6AE363

square

#63AAE3 #DC63E3 #E39C63 #6AE363

split-complementary

#63AAE3 #E3636A #E3DC63

monochromatic

#1F6EAD #2F8EDA #63AAE3 #97C6EC #CBE3F6

Accessibility & contrast

On white

2.50

#63AAE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#63AAE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAE3

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAE3	#FFFFFF	#000000	##000000
##63AAE3	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91ABE6

Deuteranopia (green-blind)

#809EE2

Tritanopia (blue-blind)

#00B8BE

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63aae3;
/* rgb */ color: rgb(99, 170, 227);
/* oklch */ color: oklch(71.5% 0.110 244.4);

Tailwind

colors: {
  custom: {
    50: '#98c3ec',
    500: '#63aae3',
    950: '#000000',
  },
}

SCSS

$custom: #63aae3;
$custom-light: #98c3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63aae3",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 227
  },
  "hsl": {
    "h": 206.719,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.71457,
    "c": 0.11022,
    "h": 244.4
  },
  "luminance": 0.36948
}

Semantic roles & 50–950 ramp

primary

#63AAE3

secondary

#E7CEBA

accent

#6814D2

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63AAE3

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

Preview Lab → · Contrast checker → · Palette generator →