#63A4CC#63A4CC

#63A4CC is a light, moderate cyan. Relative luminance 0.336; OKLCH L 69.1% C 0.089 H 237.0°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#63A4CC
RGB	rgb(99, 164, 204)
HSL	hsl(203, 51%, 59%)
HSV	hsv(203, 51%, 80%)
CMYK	cmyk(51.5%, 19.6%, 0%, 20%)
CIE-LAB	lab(64.61, -9.64, -26.83)
CIE-LCH	lch(64.61, 28.51, 250.23°)
OKLab	oklab(69.08% -0.0485 -0.0747)
OKLCH	oklch(69.08% 0.089 237)
XYZ	xyz(29.3162, 33.5608, 62.0480)
Luminance	0.3356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4CC #CC8B63

analogous

#63CCC0 #63A4CC #6370CC

triadic

#63A4CC #CC63A4 #A4CC63

tetradic

#63A4CC #C063CC #CC8B63 #70CC63

square

#63A4CC #C063CC #CC8B63 #70CC63

split-complementary

#63A4CC #CC6370 #CCC063

monochromatic

#2C6588 #3C88B6 #63A4CC #91BFDB #BFDAEA

Accessibility & contrast

On white

2.72

#63A4CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#63A4CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4CC

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4CC	#FFFFFF	#000000	##000000
##63A4CC	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A3CE

Deuteranopia (green-blind)

#8398CB

Tritanopia (blue-blind)

#27AEB1

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #63a4cc;
/* rgb */ color: rgb(99, 164, 204);
/* oklch */ color: oklch(69.1% 0.089 237.0);

Tailwind

colors: {
  custom: {
    50: '#96bfdb',
    500: '#63a4cc',
    950: '#000000',
  },
}

SCSS

$custom: #63a4cc;
$custom-light: #96bfdb;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4cc",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 204
  },
  "hsl": {
    "h": 202.857,
    "s": 50.725,
    "l": 59.412
  },
  "oklch": {
    "l": 0.69079,
    "c": 0.08903,
    "h": 237
  },
  "luminance": 0.33563
}

Semantic roles & 50–950 ramp

primary

#63A4CC

secondary

#DAC1B1

accent

#834EDA

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #63A4CC

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

Preview Lab → · Contrast checker → · Palette generator →