#646A67#646A67

#646A67 is a mid, near-neutral grey. Relative luminance 0.140; OKLCH L 51.8% C 0.009 H 164.7°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#646A67
RGB	rgb(100, 106, 103)
HSL	hsl(150, 3%, 40%)
HSV	hsv(150, 6%, 42%)
CMYK	cmyk(5.7%, 0%, 2.8%, 58.4%)
CIE-LAB	lab(44.23, -2.93, 0.88)
CIE-LCH	lch(44.23, 3.06, 163.22°)
OKLab	oklab(51.81% -0.0084 0.0023)
OKLCH	oklch(51.81% 0.009 164.7)
XYZ	xyz(12.8573, 13.9966, 14.8536)
Luminance	0.1400 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A67 #6A6467

analogous

#646A64 #646A67 #646A6A

triadic

#646A67 #67646A #6A6764

tetradic

#646A67 #64646A #6A6467 #6A6A64

square

#646A67 #64646A #6A6467 #6A6A64

split-complementary

#646A67 #6A646A #6A6464

monochromatic

#292B2A #464B48 #646A67 #828986 #A2A7A4

Accessibility & contrast

On white

5.53

#646A67 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#646A67 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A67

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A67	#FFFFFF	#000000	##FFFFFF
##646A67	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6967

Deuteranopia (green-blind)

#696867

Tritanopia (blue-blind)

#636A69

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646a67;
/* rgb */ color: rgb(100, 106, 103);
/* oklch */ color: oklch(51.8% 0.009 164.7);

Tailwind

colors: {
  custom: {
    50: '#909492',
    500: '#646a67',
    950: '#000000',
  },
}

SCSS

$custom: #646a67;
$custom-light: #909492;
$custom-dark: #000000;

JSON

{
  "hex": "#646a67",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 103
  },
  "hsl": {
    "h": 150,
    "s": 2.913,
    "l": 40.392
  },
  "oklch": {
    "l": 0.51811,
    "c": 0.00872,
    "h": 164.7
  },
  "luminance": 0.13997
}

Semantic roles & 50–950 ramp

primary

#646A67

secondary

#979395

accent

#7C94AC

background

#F8F9F8

surface

#F0F1F0

border

#CBCBCB

text

#0C0D0D

muted

#7D7E7D

Preview Lab

Preview with #646A67

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

Preview Lab → · Contrast checker → · Palette generator →