#63ACE1#63ACE1

#63ACE1 is a light, moderate cyan. Relative luminance 0.376; OKLCH L 71.8% C 0.107 H 241.8°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#63ACE1
RGB	rgb(99, 172, 225)
HSL	hsl(205, 68%, 64%)
HSV	hsv(205, 56%, 88%)
CMYK	cmyk(56%, 23.6%, 0%, 11.8%)
CIE-LAB	lab(67.72, -7.72, -33.62)
CIE-LCH	lch(67.72, 34.50, 257.06°)
OKLab	oklab(71.81% -0.0504 -0.0941)
OKLCH	oklch(71.81% 0.107 241.8)
XYZ	xyz(33.4837, 37.5910, 76.7108)
Luminance	0.3759 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACE1 #E19863

analogous

#63E1D7 #63ACE1 #636DE1

triadic

#63ACE1 #E163AC #ACE163

tetradic

#63ACE1 #D763E1 #E19863 #6DE163

square

#63ACE1 #D763E1 #E19863 #6DE163

split-complementary

#63ACE1 #E1636D #E1D763

monochromatic

#2170A9 #3091D7 #63ACE1 #96C7EB #CAE3F5

Accessibility & contrast

On white

2.47

#63ACE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#63ACE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACE1

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACE1	#FFFFFF	#000000	##000000
##63ACE1	1.00	2.47	8.52	8.52
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95ACE3

Deuteranopia (green-blind)

#849FE0

Tritanopia (blue-blind)

#00B9BE

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63ace1;
/* rgb */ color: rgb(99, 172, 225);
/* oklch */ color: oklch(71.8% 0.107 241.8);

Tailwind

colors: {
  custom: {
    50: '#98c4ea',
    500: '#63ace1',
    950: '#000000',
  },
}

SCSS

$custom: #63ace1;
$custom-light: #98c4ea;
$custom-dark: #000000;

JSON

{
  "hex": "#63ace1",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 225
  },
  "hsl": {
    "h": 205.238,
    "s": 67.742,
    "l": 63.529
  },
  "oklch": {
    "l": 0.71811,
    "c": 0.10676,
    "h": 241.8
  },
  "luminance": 0.37594
}

Semantic roles & 50–950 ramp

primary

#63ACE1

secondary

#E6CCBA

accent

#6416D0

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63ACE1

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

Preview Lab → · Contrast checker → · Palette generator →