#515B4E#515B4E

#515B4E is a mid, muted grey. Relative luminance 0.098; OKLCH L 45.8% C 0.024 H 138.5°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#515B4E
RGB	rgb(81, 91, 78)
HSL	hsl(106, 8%, 33%)
HSV	hsv(106, 14%, 36%)
CMYK	cmyk(11%, 0%, 14.3%, 64.3%)
CIE-LAB	lab(37.45, -6.70, 6.19)
CIE-LCH	lch(37.45, 9.12, 137.28°)
OKLab	oklab(45.83% -0.0181 0.016)
OKLCH	oklch(45.83% 0.024 138.5)
XYZ	xyz(8.5093, 9.7815, 8.6460)
Luminance	0.0978 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515B4E #584E5B

analogous

#575B4E #515B4E #4E5B51

triadic

#515B4E #4E515B #5B4E51

tetradic

#515B4E #4E575B #584E5B #5B514E

square

#515B4E #4E575B #584E5B #5B514E

split-complementary

#515B4E #514E5B #5B4E57

monochromatic

#161916 #343A32 #515B4E #6E7C6A #8D9A89

Accessibility & contrast

On white

7.10

#515B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#515B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #515B4E

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515B4E	#FFFFFF	#000000	##FFFFFF
##515B4E	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C594D

Deuteranopia (green-blind)

#5A584F

Tritanopia (blue-blind)

#515A57

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #515b4e;
/* rgb */ color: rgb(81, 91, 78);
/* oklch */ color: oklch(45.8% 0.024 138.5);

Tailwind

colors: {
  custom: {
    50: '#81897f',
    500: '#515b4e',
    950: '#000000',
  },
}

SCSS

$custom: #515b4e;
$custom-light: #81897f;
$custom-dark: #000000;

JSON

{
  "hex": "#515b4e",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 78
  },
  "hsl": {
    "h": 106.154,
    "s": 7.692,
    "l": 33.137
  },
  "oklch": {
    "l": 0.45831,
    "c": 0.02419,
    "h": 138.5
  },
  "luminance": 0.09782
}

Semantic roles & 50–950 ramp

primary

#515B4E

secondary

#867C89

accent

#77B1A3

background

#F7F8F7

surface

#EEF0EE

border

#C9CBC9

text

#0A0B0A

muted

#7C7C7C

Preview Lab

Preview with #515B4E

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

Preview Lab → · Contrast checker → · Palette generator →