#515751#515751

#515751 is a dark, near-neutral grey. Relative luminance 0.092; OKLCH L 44.9% C 0.012 H 145.4°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#515751
RGB	rgb(81, 87, 81)
HSL	hsl(120, 4%, 33%)
HSV	hsv(120, 7%, 34%)
CMYK	cmyk(6.9%, 0%, 6.9%, 65.9%)
CIE-LAB	lab(36.29, -3.68, 2.67)
CIE-LCH	lch(36.29, 4.54, 144.08°)
OKLab	oklab(44.94% -0.0101 0.007)
OKLCH	oklch(44.94% 0.012 145.4)
XYZ	xyz(8.2865, 9.1597, 9.1144)
Luminance	0.0916 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515751 #575157

analogous

#545751 #515751 #515754

triadic

#515751 #515157 #575151

tetradic

#515751 #515457 #575157 #575451

square

#515751 #515457 #575157 #575451

split-complementary

#515751 #545157 #575154

monochromatic

#161816 #333733 #515751 #6F776F #8D958D

Accessibility & contrast

On white

7.42

#515751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#515751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #515751

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515751	#FFFFFF	#000000	##FFFFFF
##515751	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575651

Deuteranopia (green-blind)

#565551

Tritanopia (blue-blind)

#515755

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #515751;
/* rgb */ color: rgb(81, 87, 81);
/* oklch */ color: oklch(44.9% 0.012 145.4);

Tailwind

colors: {
  custom: {
    50: '#818681',
    500: '#515751',
    950: '#000000',
  },
}

SCSS

$custom: #515751;
$custom-light: #818681;
$custom-dark: #000000;

JSON

{
  "hex": "#515751",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 81
  },
  "hsl": {
    "h": 120,
    "s": 3.571,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44942,
    "c": 0.01226,
    "h": 145.4
  },
  "luminance": 0.0916
}

Semantic roles & 50–950 ramp

primary

#515751

secondary

#857F85

accent

#7BADAD

background

#F7F8F7

surface

#EEEFEE

border

#C9CAC9

text

#0A0B0A

muted

#7C7C7C

Preview Lab

Preview with #515751

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

Preview Lab → · Contrast checker → · Palette generator →