#64647A#64647A

#64647A is a mid, muted blue. Relative luminance 0.132; OKLCH L 51.1% C 0.035 H 285.1°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#64647A
RGB	rgb(100, 100, 122)
HSL	hsl(240, 10%, 44%)
HSV	hsv(240, 18%, 48%)
CMYK	cmyk(18%, 18%, 0%, 52.2%)
CIE-LAB	lab(43.11, 4.98, -12.27)
CIE-LCH	lch(43.11, 13.24, 292.07°)
OKLab	oklab(51.14% 0.009 -0.0334)
OKLCH	oklch(51.14% 0.035 285.1)
XYZ	xyz(13.3248, 13.2286, 20.2600)
Luminance	0.1323 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64647A #7A7A64

analogous

#646F7A #64647A #6F647A

triadic

#64647A #7A6464 #647A64

tetradic

#64647A #7A646F #7A7A64 #647A6F

square

#64647A #7A646F #7A7A64 #647A6F

split-complementary

#64647A #7A6F64 #6F7A64

monochromatic

#2D2D37 #484858 #64647A #828299 #A4A4B4

Accessibility & contrast

On white

5.76

#64647A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#64647A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64647A

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64647A	#FFFFFF	#000000	##FFFFFF
##64647A	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F667B

Deuteranopia (green-blind)

#5E6579

Tritanopia (blue-blind)

#5F686B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #64647a;
/* rgb */ color: rgb(100, 100, 122);
/* oklch */ color: oklch(51.1% 0.035 285.1);

Tailwind

colors: {
  custom: {
    50: '#9090a0',
    500: '#64647a',
    950: '#000000',
  },
}

SCSS

$custom: #64647a;
$custom-light: #9090a0;
$custom-dark: #000000;

JSON

{
  "hex": "#64647a",
  "rgb": {
    "r": 100,
    "g": 100,
    "b": 122
  },
  "hsl": {
    "h": 240,
    "s": 9.91,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51137,
    "c": 0.0346,
    "h": 285.1
  },
  "luminance": 0.13229
}

Semantic roles & 50–950 ramp

primary

#64647A

secondary

#A4A496

accent

#B375B3

background

#F8F8F9

surface

#F0F0F2

border

#CBCBCC

text

#0C0C0E

muted

#7D7D7E

Preview Lab

Preview with #64647A

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

Preview Lab → · Contrast checker → · Palette generator →