#5B6063#5B6063

#5B6063 is a mid, near-neutral grey. Relative luminance 0.115; OKLCH L 48.6% C 0.008 H 233.8°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#5B6063
RGB	rgb(91, 96, 99)
HSL	hsl(203, 4%, 37%)
HSV	hsv(203, 8%, 39%)
CMYK	cmyk(8.1%, 3%, 0%, 61.2%)
CIE-LAB	lab(40.39, -1.29, -2.38)
CIE-LCH	lch(40.39, 2.71, 241.62°)
OKLab	oklab(48.57% -0.0047 -0.0064)
OKLCH	oklch(48.57% 0.008 233.8)
XYZ	xyz(10.7489, 11.4906, 13.4536)
Luminance	0.1149 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6063 #635E5B

analogous

#5B6362 #5B6063 #5B5C63

triadic

#5B6063 #635B60 #60635B

tetradic

#5B6063 #625B63 #635E5B #5C635B

square

#5B6063 #625B63 #635E5B #5C635B

split-complementary

#5B6063 #635B5C #63625B

monochromatic

#202223 #3E4143 #5B6063 #787F83 #989DA0

Accessibility & contrast

On white

6.37

#5B6063 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#5B6063 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B6063

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6063	#FFFFFF	#000000	##FFFFFF
##5B6063	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F6063

Deuteranopia (green-blind)

#5D5F63

Tritanopia (blue-blind)

#596161

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5b6063;
/* rgb */ color: rgb(91, 96, 99);
/* oklch */ color: oklch(48.6% 0.008 233.8);

Tailwind

colors: {
  custom: {
    50: '#898d8f',
    500: '#5b6063',
    950: '#000000',
  },
}

SCSS

$custom: #5b6063;
$custom-light: #898d8f;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6063",
  "rgb": {
    "r": 91,
    "g": 96,
    "b": 99
  },
  "hsl": {
    "h": 202.5,
    "s": 4.211,
    "l": 37.255
  },
  "oklch": {
    "l": 0.48566,
    "c": 0.00792,
    "h": 233.8
  },
  "luminance": 0.11491
}

Semantic roles & 50–950 ramp

primary

#5B6063

secondary

#908C8A

accent

#8E7AAD

background

#F8F8F8

surface

#F0F0F0

border

#CBCBCB

text

#0B0C0C

muted

#7C7D7D

Preview Lab

Preview with #5B6063

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

Preview Lab → · Contrast checker → · Palette generator →