#555F72#555F72

#555F72 is a mid, muted blue. Relative luminance 0.113; OKLCH L 48.4% C 0.033 H 263.2°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#555F72
RGB	rgb(85, 95, 114)
HSL	hsl(219, 15%, 39%)
HSV	hsv(219, 25%, 45%)
CMYK	cmyk(25.4%, 16.7%, 0%, 55.3%)
CIE-LAB	lab(40.13, 0.79, -12.02)
CIE-LCH	lch(40.13, 12.05, 273.76°)
OKLab	oklab(48.41% -0.0039 -0.0329)
OKLCH	oklch(48.41% 0.033 263.2)
XYZ	xyz(10.8750, 11.3303, 17.5303)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555F72 #726855

analogous

#556E72 #555F72 #5A5572

triadic

#555F72 #72555F #5F7255

tetradic

#555F72 #72556E #726855 #55725A

square

#555F72 #72556E #726855 #55725A

split-complementary

#555F72 #725A55 #6E7255

monochromatic

#21252C #3B424F #555F72 #707C94 #939CAE

Accessibility & contrast

On white

6.43

#555F72 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#555F72 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555F72

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555F72	#FFFFFF	#000000	##FFFFFF
##555F72	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596073

Deuteranopia (green-blind)

#565D72

Tritanopia (blue-blind)

#4D6365

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #555f72;
/* rgb */ color: rgb(85, 95, 114);
/* oklch */ color: oklch(48.4% 0.033 263.2);

Tailwind

colors: {
  custom: {
    50: '#858c9a',
    500: '#555f72',
    950: '#000000',
  },
}

SCSS

$custom: #555f72;
$custom-light: #858c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#555f72",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 114
  },
  "hsl": {
    "h": 219.31,
    "s": 14.573,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48409,
    "c": 0.03309,
    "h": 263.2
  },
  "luminance": 0.11331
}

Semantic roles & 50–950 ramp

primary

#555F72

secondary

#9D9586

accent

#9F70B7

background

#F8F8F9

surface

#EFF0F2

border

#CACBCC

text

#0B0C0E

muted

#7C7D7E

Preview Lab

Preview with #555F72

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

Preview Lab → · Contrast checker → · Palette generator →