#63ABE5#63ABE5

#63ABE5 is a light, moderate cyan. Relative luminance 0.374; OKLCH L 71.8% C 0.112 H 244.6°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#63ABE5
RGB	rgb(99, 171, 229)
HSL	hsl(207, 71%, 64%)
HSV	hsv(207, 57%, 90%)
CMYK	cmyk(56.8%, 25.3%, 0%, 10.2%)
CIE-LAB	lab(67.60, -5.95, -36.00)
CIE-LCH	lch(67.60, 36.48, 260.62°)
OKLab	oklab(71.77% -0.048 -0.101)
OKLCH	oklch(71.77% 0.112 244.6)
XYZ	xyz(33.8462, 37.4326, 79.5551)
Luminance	0.3744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ABE5 #E59D63

analogous

#63E5DE #63ABE5 #636AE5

triadic

#63ABE5 #E563AB #ABE563

tetradic

#63ABE5 #DE63E5 #E59D63 #6AE563

square

#63ABE5 #DE63E5 #E59D63 #6AE563

split-complementary

#63ABE5 #E5636A #E5DE63

monochromatic

#1D6FB0 #2F8FDC #63ABE5 #97C7EE #CCE3F6

Accessibility & contrast

On white

2.47

#63ABE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.49

#63ABE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABE5

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ABE5	#FFFFFF	#000000	##000000
##63ABE5	1.00	2.47	8.49	8.49
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.49	21.00	1.00	1.00
##000000	8.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92ACE8

Deuteranopia (green-blind)

#819FE4

Tritanopia (blue-blind)

#00B9BF

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63abe5;
/* rgb */ color: rgb(99, 171, 229);
/* oklch */ color: oklch(71.8% 0.112 244.6);

Tailwind

colors: {
  custom: {
    50: '#99c3ed',
    500: '#63abe5',
    950: '#000000',
  },
}

SCSS

$custom: #63abe5;
$custom-light: #99c3ed;
$custom-dark: #000000;

JSON

{
  "hex": "#63abe5",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 229
  },
  "hsl": {
    "h": 206.769,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.71772,
    "c": 0.11179,
    "h": 244.6
  },
  "luminance": 0.37436
}

Semantic roles & 50–950 ramp

primary

#63ABE5

secondary

#E8CFBB

accent

#6812D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63ABE5

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

Preview Lab → · Contrast checker → · Palette generator →