#555D71#555D71

#555D71 is a mid, muted blue. Relative luminance 0.110; OKLCH L 47.9% C 0.034 H 268.0°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#555D71
RGB	rgb(85, 93, 113)
HSL	hsl(223, 14%, 39%)
HSV	hsv(223, 25%, 44%)
CMYK	cmyk(24.8%, 17.7%, 0%, 55.7%)
CIE-LAB	lab(39.50, 1.76, -12.37)
CIE-LCH	lch(39.50, 12.49, 278.08°)
OKLab	oklab(47.9% -0.0012 -0.0338)
OKLCH	oklch(47.9% 0.034 268)
XYZ	xyz(10.6405, 10.9520, 17.1729)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555D71 #716955

analogous

#556B71 #555D71 #5B5571

triadic

#555D71 #71555D #5D7155

tetradic

#555D71 #71556B #716955 #55715B

square

#555D71 #71556B #716955 #55715B

split-complementary

#555D71 #715B55 #6B7155

monochromatic

#20242B #3B404E #555D71 #707A93 #939AAE

Accessibility & contrast

On white

6.58

#555D71 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#555D71 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555D71

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555D71	#FFFFFF	#000000	##FFFFFF
##555D71	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575E72

Deuteranopia (green-blind)

#555C71

Tritanopia (blue-blind)

#4E6164

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #555d71;
/* rgb */ color: rgb(85, 93, 113);
/* oklch */ color: oklch(47.9% 0.034 268.0);

Tailwind

colors: {
  custom: {
    50: '#858a99',
    500: '#555d71',
    950: '#000000',
  },
}

SCSS

$custom: #555d71;
$custom-light: #858a99;
$custom-dark: #000000;

JSON

{
  "hex": "#555d71",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 113
  },
  "hsl": {
    "h": 222.857,
    "s": 14.141,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47902,
    "c": 0.03384,
    "h": 268
  },
  "luminance": 0.10952
}

Semantic roles & 50–950 ramp

primary

#555D71

secondary

#9C9686

accent

#A371B7

background

#F8F8F9

surface

#EFF0F2

border

#CACBCC

text

#0B0B0E

muted

#7C7C7E

Preview Lab

Preview with #555D71

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

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