#5B577B#5B577B

#5B577B is a mid, muted blue. Relative luminance 0.105; OKLCH L 47.5% C 0.058 H 289.1°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#5B577B
RGB	rgb(91, 87, 123)
HSL	hsl(247, 17%, 41%)
HSV	hsv(247, 29%, 48%)
CMYK	cmyk(26%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(38.67, 10.17, -19.73)
CIE-LCH	lch(38.67, 22.20, 297.28°)
OKLab	oklab(47.52% 0.0189 -0.0545)
OKLCH	oklch(47.52% 0.058 289.1)
XYZ	xyz(11.2969, 10.4704, 20.1609)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B577B #777B57

analogous

#57657B #5B577B #6D577B

triadic

#5B577B #7B5B57 #577B5B

tetradic

#5B577B #7B5765 #777B57 #577B6D

square

#5B577B #7B5765 #777B57 #577B6D

split-complementary

#5B577B #7B6D57 #657B57

monochromatic

#262433 #403E57 #5B577B #78739C #9A97B5

Accessibility & contrast

On white

6.79

#5B577B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#5B577B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B577B

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B577B	#FFFFFF	#000000	##FFFFFF
##5B577B	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5C7D

Deuteranopia (green-blind)

#4E5A7A

Tritanopia (blue-blind)

#545D64

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #5b577b;
/* rgb */ color: rgb(91, 87, 123);
/* oklch */ color: oklch(47.5% 0.058 289.1);

Tailwind

colors: {
  custom: {
    50: '#8a86a1',
    500: '#5b577b',
    950: '#000000',
  },
}

SCSS

$custom: #5b577b;
$custom-light: #8a86a1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b577b",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 246.667,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4752,
    "c": 0.05764,
    "h": 289.1
  },
  "luminance": 0.10471
}

Semantic roles & 50–950 ramp

primary

#5B577B

secondary

#A1A38A

accent

#BA6EB1

background

#F8F8F9

surface

#F0EFF2

border

#CBCACC

text

#0C0B0F

muted

#7D7C7E

Preview Lab

Preview with #5B577B

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

Preview Lab → · Contrast checker → · Palette generator →