#666458#666458

#666458 is a mid, near-neutral grey. Relative luminance 0.126; OKLCH L 50.1% C 0.019 H 99.3°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#666458
RGB	rgb(102, 100, 88)
HSL	hsl(51, 7%, 37%)
HSV	hsv(51, 14%, 40%)
CMYK	cmyk(0%, 2%, 13.7%, 60%)
CIE-LAB	lab(42.22, -1.54, 7.09)
CIE-LCH	lch(42.22, 7.26, 102.24°)
OKLab	oklab(50.14% -0.003 0.0184)
OKLCH	oklch(50.14% 0.019 99.3)
XYZ	xyz(11.7979, 12.6438, 11.0496)
Luminance	0.1264 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666458 #585A66

analogous

#665D58 #666458 #616658

triadic

#666458 #586664 #645866

tetradic

#666458 #58665D #585A66 #665861

square

#666458 #58665D #585A66 #665861

split-complementary

#666458 #586166 #5D5866

monochromatic

#24241F #45443C #666458 #878474 #A3A195

Accessibility & contrast

On white

5.95

#666458 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#666458 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666458

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666458	#FFFFFF	#000000	##FFFFFF
##666458	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#676357

Deuteranopia (green-blind)

#676458

Tritanopia (blue-blind)

#686261

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #666458;
/* rgb */ color: rgb(102, 100, 88);
/* oklch */ color: oklch(50.1% 0.019 99.3);

Tailwind

colors: {
  custom: {
    50: '#919087',
    500: '#666458',
    950: '#000000',
  },
}

SCSS

$custom: #666458;
$custom-light: #919087;
$custom-dark: #000000;

JSON

{
  "hex": "#666458",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 88
  },
  "hsl": {
    "h": 51.429,
    "s": 7.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.50137,
    "c": 0.01866,
    "h": 99.3
  },
  "luminance": 0.12644
}

Semantic roles & 50–950 ramp

primary

#666458

secondary

#878993

accent

#80B077

background

#F8F8F8

surface

#F0F0EF

border

#CBCBCA

text

#0C0C0B

muted

#7D7D7C

Preview Lab

Preview with #666458

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

Preview Lab → · Contrast checker → · Palette generator →