#515657#515657

#515657 is a dark, near-neutral grey. Relative luminance 0.091; OKLCH L 44.9% C 0.007 H 211.1°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#515657
RGB	rgb(81, 86, 87)
HSL	hsl(190, 4%, 33%)
HSV	hsv(190, 7%, 34%)
CMYK	cmyk(6.9%, 1.1%, 0%, 65.9%)
CIE-LAB	lab(36.16, -1.76, -1.27)
CIE-LCH	lch(36.16, 2.17, 215.77°)
OKLab	oklab(44.9% -0.0057 -0.0034)
OKLCH	oklch(44.9% 0.007 211.1)
XYZ	xyz(8.4411, 9.0929, 10.3254)
Luminance	0.0909 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515657 #575251

analogous

#515755 #515657 #515357

triadic

#515657 #575156 #565751

tetradic

#515657 #555157 #575251 #535751

square

#515657 #555157 #575251 #535751

split-complementary

#515657 #575153 #575551

monochromatic

#161718 #333737 #515657 #6F7577 #8D9495

Accessibility & contrast

On white

7.45

#515657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#515657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #515657

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515657	#FFFFFF	#000000	##FFFFFF
##515657	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555657

Deuteranopia (green-blind)

#545557

Tritanopia (blue-blind)

#4F5756

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #515657;
/* rgb */ color: rgb(81, 86, 87);
/* oklch */ color: oklch(44.9% 0.007 211.1);

Tailwind

colors: {
  custom: {
    50: '#818586',
    500: '#515657',
    950: '#000000',
  },
}

SCSS

$custom: #515657;
$custom-light: #818586;
$custom-dark: #000000;

JSON

{
  "hex": "#515657",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 87
  },
  "hsl": {
    "h": 190,
    "s": 3.571,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44901,
    "c": 0.00661,
    "h": 211.1
  },
  "luminance": 0.09093
}

Semantic roles & 50–950 ramp

primary

#515657

secondary

#85807F

accent

#837BAD

background

#F7F8F8

surface

#EEEFEF

border

#C9CACA

text

#0A0B0B

muted

#7C7C7C

Preview Lab

Preview with #515657

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

Preview Lab → · Contrast checker → · Palette generator →