#64A3BB#64A3BB

#64A3BB is a light, moderate cyan. Relative luminance 0.325; OKLCH L 68.2% C 0.074 H 224.4°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#64A3BB
RGB	rgb(100, 163, 187)
HSL	hsl(197, 39%, 56%)
HSV	hsv(197, 47%, 73%)
CMYK	cmyk(46.5%, 12.8%, 0%, 26.7%)
CIE-LAB	lab(63.75, -13.76, -18.67)
CIE-LCH	lch(63.75, 23.19, 233.62°)
OKLab	oklab(68.2% -0.0527 -0.0516)
OKLCH	oklch(68.2% 0.074 224.4)
XYZ	xyz(27.3191, 32.4895, 51.8356)
Luminance	0.3249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A3BB #BB7C64

analogous

#64BBA8 #64A3BB #6478BB

triadic

#64A3BB #BB64A3 #A3BB64

tetradic

#64A3BB #A864BB #BB7C64 #78BB64

square

#64A3BB #A864BB #BB7C64 #78BB64

split-complementary

#64A3BB #BB6478 #BBA864

monochromatic

#326172 #45859D #64A3BB #8FBCCE #B9D5E0

Accessibility & contrast

On white

2.80

#64A3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#64A3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3BB

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A3BB	#FFFFFF	#000000	##000000
##64A3BB	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A0BC

Deuteranopia (green-blind)

#8996BB

Tritanopia (blue-blind)

#3BAAAB

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #64a3bb;
/* rgb */ color: rgb(100, 163, 187);
/* oklch */ color: oklch(68.2% 0.074 224.4);

Tailwind

colors: {
  custom: {
    50: '#95becf',
    500: '#64a3bb',
    950: '#000000',
  },
}

SCSS

$custom: #64a3bb;
$custom-light: #95becf;
$custom-dark: #000000;

JSON

{
  "hex": "#64a3bb",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 187
  },
  "hsl": {
    "h": 196.552,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.68196,
    "c": 0.07378,
    "h": 224.4
  },
  "luminance": 0.32492
}

Semantic roles & 50–950 ramp

primary

#64A3BB

secondary

#CFB5AB

accent

#7959CF

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1213

muted

#7E8182

Preview Lab

Preview with #64A3BB

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

Preview Lab → · Contrast checker → · Palette generator →