#63A4BB#63A4BB

#63A4BB is a light, moderate cyan. Relative luminance 0.328; OKLCH L 68.4% C 0.075 H 222.7°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#63A4BB
RGB	rgb(99, 164, 187)
HSL	hsl(196, 39%, 56%)
HSV	hsv(196, 47%, 73%)
CMYK	cmyk(47.1%, 12.3%, 0%, 26.7%)
CIE-LAB	lab(63.99, -14.54, -18.31)
CIE-LCH	lch(63.99, 23.38, 231.55°)
OKLab	oklab(68.38% -0.0547 -0.0506)
OKLCH	oklch(68.38% 0.075 222.7)
XYZ	xyz(27.3874, 32.7893, 51.8898)
Luminance	0.3279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4BB #BB7A63

analogous

#63BBA6 #63A4BB #6378BB

triadic

#63A4BB #BB63A4 #A4BB63

tetradic

#63A4BB #A663BB #BB7A63 #78BB63

square

#63A4BB #A663BB #BB7A63 #78BB63

split-complementary

#63A4BB #BB6378 #BBA663

monochromatic

#326172 #44859D #63A4BB #8EBDCE #B8D6E0

Accessibility & contrast

On white

2.78

#63A4BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#63A4BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4BB

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4BB	#FFFFFF	#000000	##000000
##63A4BB	1.00	2.78	7.56	7.56
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.56	21.00	1.00	1.00
##000000	7.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A1BC

Deuteranopia (green-blind)

#8997BB

Tritanopia (blue-blind)

#38ABAB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #63a4bb;
/* rgb */ color: rgb(99, 164, 187);
/* oklch */ color: oklch(68.4% 0.075 222.7);

Tailwind

colors: {
  custom: {
    50: '#94bfcf',
    500: '#63a4bb',
    950: '#000000',
  },
}

SCSS

$custom: #63a4bb;
$custom-light: #94bfcf;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4bb",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 187
  },
  "hsl": {
    "h": 195.682,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.68378,
    "c": 0.07454,
    "h": 222.7
  },
  "luminance": 0.32791
}

Semantic roles & 50–950 ramp

primary

#63A4BB

secondary

#CFB4AB

accent

#7859CF

background

#F9FBFC

surface

#F2F7F9

border

#CCD0D2

text

#0E1213

muted

#7E8182

Preview Lab

Preview with #63A4BB

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

Preview Lab → · Contrast checker → · Palette generator →