#63AAEB#63AAEB

#63AAEB is a light, moderate cyan. Relative luminance 0.374; OKLCH L 71.8% C 0.119 H 247.8°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#63AAEB
RGB	rgb(99, 170, 235)
HSL	hsl(209, 77%, 65%)
HSV	hsv(209, 58%, 92%)
CMYK	cmyk(57.9%, 27.7%, 0%, 7.8%)
CIE-LAB	lab(67.57, -3.53, -39.32)
CIE-LCH	lch(67.57, 39.48, 264.87°)
OKLab	oklab(71.84% -0.0451 -0.1106)
OKLCH	oklch(71.84% 0.119 247.8)
XYZ	xyz(34.5103, 37.3972, 83.9809)
Luminance	0.3740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAEB #EBA463

analogous

#63EBE8 #63AAEB #6366EB

triadic

#63AAEB #EB63AA #AAEB63

tetradic

#63AAEB #E863EB #EBA463 #66EB63

square

#63AAEB #E863EB #EBA463 #66EB63

split-complementary

#63AAEB #EB6366 #EBE863

monochromatic

#186DBC #2D8CE4 #63AAEB #99C8F2 #CFE5F9

Accessibility & contrast

On white

2.48

#63AAEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#63AAEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAEB

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAEB	#FFFFFF	#000000	##000000
##63AAEB	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EACEE

Deuteranopia (green-blind)

#7C9FEA

Tritanopia (blue-blind)

#00B9C1

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63aaeb;
/* rgb */ color: rgb(99, 170, 235);
/* oklch */ color: oklch(71.8% 0.119 247.8);

Tailwind

colors: {
  custom: {
    50: '#99c3f1',
    500: '#63aaeb',
    950: '#000000',
  },
}

SCSS

$custom: #63aaeb;
$custom-light: #99c3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63aaeb",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 235
  },
  "hsl": {
    "h": 208.676,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.71835,
    "c": 0.11941,
    "h": 247.8
  },
  "luminance": 0.374
}

Semantic roles & 50–950 ramp

primary

#63AAEB

secondary

#ECD4BE

accent

#6E0CDA

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63AAEB

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

Preview Lab → · Contrast checker → · Palette generator →