#665C64#665C64

#665C64 is a mid, near-neutral grey. Relative luminance 0.114; OKLCH L 48.7% C 0.018 H 332.5°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#665C64
RGB	rgb(102, 92, 100)
HSL	hsl(312, 5%, 38%)
HSV	hsv(312, 10%, 40%)
CMYK	cmyk(0%, 9.8%, 2%, 60%)
CIE-LAB	lab(40.24, 5.63, -3.11)
CIE-LCH	lch(40.24, 6.43, 331.10°)
OKLab	oklab(48.7% 0.0158 -0.0082)
OKLCH	oklch(48.7% 0.018 332.5)
XYZ	xyz(11.6066, 11.3993, 13.6430)
Luminance	0.1140 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665C64 #5C665E

analogous

#635C66 #665C64 #665C5F

triadic

#665C64 #64665C #5C6466

tetradic

#665C64 #66635C #5C665E #5C5F66

square

#665C64 #66635C #5C665E #5C5F66

split-complementary

#665C64 #5F665C #5C6663

monochromatic

#262225 #463F44 #665C64 #867984 #A399A1

Accessibility & contrast

On white

6.40

#665C64 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#665C64 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665C64

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665C64	#FFFFFF	#000000	##FFFFFF
##665C64	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5E64

Deuteranopia (green-blind)

#5E5F64

Tritanopia (blue-blind)

#675C5F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #665c64;
/* rgb */ color: rgb(102, 92, 100);
/* oklch */ color: oklch(48.7% 0.018 332.5);

Tailwind

colors: {
  custom: {
    50: '#918a90',
    500: '#665c64',
    950: '#000000',
  },
}

SCSS

$custom: #665c64;
$custom-light: #918a90;
$custom-dark: #000000;

JSON

{
  "hex": "#665c64",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 100
  },
  "hsl": {
    "h": 312,
    "s": 5.155,
    "l": 38.039
  },
  "oklch": {
    "l": 0.487,
    "c": 0.01781,
    "h": 332.5
  },
  "luminance": 0.11399
}

Semantic roles & 50–950 ramp

primary

#665C64

secondary

#8B938C

accent

#AE847A

background

#F8F8F8

surface

#F0F0F0

border

#CBCBCB

text

#0C0B0C

muted

#7D7C7D

Preview Lab

Preview with #665C64

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

Preview Lab → · Contrast checker → · Palette generator →