#646E62#646E62

#646E62 is a mid, muted grey. Relative luminance 0.147; OKLCH L 52.6% C 0.022 H 140.5°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#646E62
RGB	rgb(100, 110, 98)
HSL	hsl(110, 6%, 41%)
HSV	hsv(110, 11%, 43%)
CMYK	cmyk(9.1%, 0%, 10.9%, 56.9%)
CIE-LAB	lab(45.28, -6.29, 5.41)
CIE-LCH	lch(45.28, 8.29, 139.31°)
OKLab	oklab(52.6% -0.017 0.0141)
OKLCH	oklch(52.6% 0.022 140.5)
XYZ	xyz(13.0356, 14.7429, 13.7118)
Luminance	0.1474 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E62 #6C626E

analogous

#6A6E62 #646E62 #626E66

triadic

#646E62 #62646E #6E6264

tetradic

#646E62 #626A6E #6C626E #6E6662

square

#646E62 #626A6E #6C626E #6E6662

split-complementary

#646E62 #66626E #6E626A

monochromatic

#292D28 #474E45 #646E62 #828E80 #A2AAA0

Accessibility & contrast

On white

5.32

#646E62 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#646E62 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E62

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E62	#FFFFFF	#000000	##FFFFFF
##646E62	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6C61

Deuteranopia (green-blind)

#6D6B63

Tritanopia (blue-blind)

#646D6A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #646e62;
/* rgb */ color: rgb(100, 110, 98);
/* oklch */ color: oklch(52.6% 0.022 140.5);

Tailwind

colors: {
  custom: {
    50: '#90978e',
    500: '#646e62',
    950: '#000000',
  },
}

SCSS

$custom: #646e62;
$custom-light: #90978e;
$custom-dark: #000000;

JSON

{
  "hex": "#646e62",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 98
  },
  "hsl": {
    "h": 110,
    "s": 5.769,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52598,
    "c": 0.02211,
    "h": 140.5
  },
  "luminance": 0.14743
}

Semantic roles & 50–950 ramp

primary

#646E62

secondary

#99929A

accent

#79AFA6

background

#F8F9F8

surface

#F0F2F0

border

#CBCCCB

text

#0C0D0C

muted

#7D7E7D

Preview Lab

Preview with #646E62

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

Preview Lab → · Contrast checker → · Palette generator →