#555D73#555D73

#555D73 is a mid, muted blue. Relative luminance 0.110; OKLCH L 48.0% C 0.037 H 269.3°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#555D73
RGB	rgb(85, 93, 115)
HSL	hsl(224, 15%, 39%)
HSV	hsv(224, 26%, 45%)
CMYK	cmyk(26.1%, 19.1%, 0%, 54.9%)
CIE-LAB	lab(39.58, 2.28, -13.48)
CIE-LCH	lch(39.58, 13.67, 279.61°)
OKLab	oklab(47.99% -0.0004 -0.0369)
OKLCH	oklch(47.99% 0.037 269.3)
XYZ	xyz(10.7544, 10.9975, 17.7724)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555D73 #736B55

analogous

#556C73 #555D73 #5C5573

triadic

#555D73 #73555D #5D7355

tetradic

#555D73 #73556C #736B55 #55735C

square

#555D73 #73556C #736B55 #55735C

split-complementary

#555D73 #735C55 #6C7355

monochromatic

#21242D #3B4150 #555D73 #707A95 #939BAF

Accessibility & contrast

On white

6.56

#555D73 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#555D73 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555D73

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555D73	#FFFFFF	#000000	##FFFFFF
##555D73	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565F74

Deuteranopia (green-blind)

#545C72

Tritanopia (blue-blind)

#4D6164

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #555d73;
/* rgb */ color: rgb(85, 93, 115);
/* oklch */ color: oklch(48.0% 0.037 269.3);

Tailwind

colors: {
  custom: {
    50: '#858a9b',
    500: '#555d73',
    950: '#000000',
  },
}

SCSS

$custom: #555d73;
$custom-light: #858a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#555d73",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 115
  },
  "hsl": {
    "h": 224,
    "s": 15,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47987,
    "c": 0.03693,
    "h": 269.3
  },
  "luminance": 0.10998
}

Semantic roles & 50–950 ramp

primary

#555D73

secondary

#9D9786

accent

#A570B8

background

#F8F8F9

surface

#EFF0F2

border

#CACBCC

text

#0B0B0E

muted

#7C7C7E

Preview Lab

Preview with #555D73

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

Preview Lab → · Contrast checker → · Palette generator →