#555171#555171

#555171 is a mid, muted blue. Relative luminance 0.090; OKLCH L 45.2% C 0.052 H 289.9°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#555171
RGB	rgb(85, 81, 113)
HSL	hsl(248, 16%, 38%)
HSV	hsv(248, 28%, 44%)
CMYK	cmyk(24.8%, 28.3%, 0%, 55.7%)
CIE-LAB	lab(36.00, 9.27, -17.72)
CIE-LCH	lch(36.00, 20.00, 297.61°)
OKLab	oklab(45.18% 0.0177 -0.0488)
OKLCH	oklch(45.18% 0.052 289.9)
XYZ	xyz(9.6687, 9.0083, 16.8490)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555171 #6D7151

analogous

#515D71 #555171 #655171

triadic

#555171 #715551 #517155

tetradic

#555171 #71515D #6D7151 #517165

square

#555171 #71515D #6D7151 #517165

split-complementary

#555171 #716551 #5D7151

monochromatic

#1F1E2A #3A374D #555171 #706B95 #928EAE

Accessibility & contrast

On white

7.50

#555171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#555171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #555171

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555171	#FFFFFF	#000000	##FFFFFF
##555171	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495572

Deuteranopia (green-blind)

#495470

Tritanopia (blue-blind)

#4F565C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #555171;
/* rgb */ color: rgb(85, 81, 113);
/* oklch */ color: oklch(45.2% 0.052 289.9);

Tailwind

colors: {
  custom: {
    50: '#85819a',
    500: '#555171',
    950: '#000000',
  },
}

SCSS

$custom: #555171;
$custom-light: #85819a;
$custom-dark: #000000;

JSON

{
  "hex": "#555171",
  "rgb": {
    "r": 85,
    "g": 81,
    "b": 113
  },
  "hsl": {
    "h": 247.5,
    "s": 16.495,
    "l": 38.039
  },
  "oklch": {
    "l": 0.4518,
    "c": 0.05193,
    "h": 289.9
  },
  "luminance": 0.09008
}

Semantic roles & 50–950 ramp

primary

#555171

secondary

#999C82

accent

#B96FB0

background

#F8F7F9

surface

#EFEEF2

border

#CAC9CC

text

#0B0A0E

muted

#7C7C7E

Preview Lab

Preview with #555171

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

Preview Lab → · Contrast checker → · Palette generator →