#646466#646466

#646466 is a mid, near-neutral grey. Relative luminance 0.128; OKLCH L 50.4% C 0.003 H 286.3°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#646466
RGB	rgb(100, 100, 102)
HSL	hsl(240, 1%, 40%)
HSV	hsv(240, 2%, 40%)
CMYK	cmyk(2%, 2%, 0%, 60%)
CIE-LAB	lab(42.43, 0.42, -1.13)
CIE-LCH	lch(42.43, 1.20, 290.35°)
OKLab	oklab(50.39% 0.0009 -0.003)
OKLCH	oklch(50.39% 0.003 286.3)
XYZ	xyz(12.2106, 12.7830, 14.3919)
Luminance	0.1278 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646466 #666664

analogous

#646566 #646466 #656466

triadic

#646466 #666464 #646664

tetradic

#646466 #666465 #666664 #646665

square

#646466 #666465 #666664 #646665

split-complementary

#646466 #666564 #656664

monochromatic

#272728 #464647 #646466 #828285 #A1A1A3

Accessibility & contrast

On white

5.90

#646466 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#646466 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646466

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646466	#FFFFFF	#000000	##FFFFFF
##646466	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646466

Deuteranopia (green-blind)

#646466

Tritanopia (blue-blind)

#646465

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #646466;
/* rgb */ color: rgb(100, 100, 102);
/* oklch */ color: oklch(50.4% 0.003 286.3);

Tailwind

colors: {
  custom: {
    50: '#909091',
    500: '#646466',
    950: '#000000',
  },
}

SCSS

$custom: #646466;
$custom-light: #909091;
$custom-dark: #000000;

JSON

{
  "hex": "#646466",
  "rgb": {
    "r": 100,
    "g": 100,
    "b": 102
  },
  "hsl": {
    "h": 240,
    "s": 0.99,
    "l": 39.608
  },
  "oklch": {
    "l": 0.5039,
    "c": 0.00313,
    "h": 286.3
  },
  "luminance": 0.12783
}

Semantic roles & 50–950 ramp

primary

#646466

secondary

#949492

accent

#AA7EAA

background

#F8F8F8

surface

#F0F0F0

border

#CBCBCB

text

#0C0C0C

muted

#7D7D7D

Preview Lab

Preview with #646466

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

Preview Lab → · Contrast checker → · Palette generator →