#646A60#646A60

#646A60 is a mid, near-neutral grey. Relative luminance 0.139; OKLCH L 51.6% C 0.017 H 132.6°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#646A60
RGB	rgb(100, 106, 96)
HSL	hsl(96, 5%, 40%)
HSV	hsv(96, 9%, 42%)
CMYK	cmyk(5.7%, 0%, 9.4%, 58.4%)
CIE-LAB	lab(44.03, -4.36, 4.82)
CIE-LCH	lch(44.03, 6.50, 132.11°)
OKLab	oklab(51.59% -0.0116 0.0126)
OKLCH	oklch(51.59% 0.017 132.6)
XYZ	xyz(12.5205, 13.8619, 13.0801)
Luminance	0.1386 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A60 #66606A

analogous

#696A60 #646A60 #606A61

triadic

#646A60 #60646A #6A6064

tetradic

#646A60 #60696A #66606A #6A6160

square

#646A60 #60696A #66606A #6A6160

split-complementary

#646A60 #61606A #6A6069

monochromatic

#272A26 #464A43 #646A60 #828A7D #A1A79E

Accessibility & contrast

On white

5.57

#646A60 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#646A60 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A60

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A60	#FFFFFF	#000000	##FFFFFF
##646A60	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B685F

Deuteranopia (green-blind)

#6A6860

Tritanopia (blue-blind)

#646967

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646a60;
/* rgb */ color: rgb(100, 106, 96);
/* oklch */ color: oklch(51.6% 0.017 132.6);

Tailwind

colors: {
  custom: {
    50: '#90948d',
    500: '#646a60',
    950: '#000000',
  },
}

SCSS

$custom: #646a60;
$custom-light: #90948d;
$custom-dark: #000000;

JSON

{
  "hex": "#646a60",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 96
  },
  "hsl": {
    "h": 96,
    "s": 4.95,
    "l": 39.608
  },
  "oklch": {
    "l": 0.51594,
    "c": 0.01709,
    "h": 132.6
  },
  "luminance": 0.13862
}

Semantic roles & 50–950 ramp

primary

#646A60

secondary

#948F97

accent

#7AAE99

background

#F8F9F8

surface

#F0F1F0

border

#CBCBCB

text

#0C0D0C

muted

#7D7E7D

Preview Lab

Preview with #646A60

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

Preview Lab → · Contrast checker → · Palette generator →