#5B577E#5B577E

#5B577E is a mid, moderate blue. Relative luminance 0.105; OKLCH L 47.7% C 0.062 H 288.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#5B577E
RGB	rgb(91, 87, 126)
HSL	hsl(246, 18%, 42%)
HSV	hsv(246, 31%, 49%)
CMYK	cmyk(27.8%, 31%, 0%, 50.6%)
CIE-LAB	lab(38.81, 10.98, -21.36)
CIE-LCH	lch(38.81, 24.02, 297.19°)
OKLab	oklab(47.67% 0.0198 -0.0591)
OKLCH	oklch(47.67% 0.062 288.5)
XYZ	xyz(11.4875, 10.5467, 21.1651)
Luminance	0.1055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B577E #7A7E57

analogous

#57677E #5B577E #6F577E

triadic

#5B577E #7E5B57 #577E5B

tetradic

#5B577E #7E5767 #7A7E57 #577E6F

square

#5B577E #7E5767 #7A7E57 #577E6F

split-complementary

#5B577E #7E6F57 #677E57

monochromatic

#272536 #413E5A #5B577E #78749F #9B98B8

Accessibility & contrast

On white

6.75

#5B577E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#5B577E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B577E

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B577E	#FFFFFF	#000000	##FFFFFF
##5B577E	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5C80

Deuteranopia (green-blind)

#4C5A7D

Tritanopia (blue-blind)

#535E65

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #5b577e;
/* rgb */ color: rgb(91, 87, 126);
/* oklch */ color: oklch(47.7% 0.062 288.5);

Tailwind

colors: {
  custom: {
    50: '#8a86a3',
    500: '#5b577e',
    950: '#000000',
  },
}

SCSS

$custom: #5b577e;
$custom-light: #8a86a3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b577e",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 246.154,
    "s": 18.31,
    "l": 41.765
  },
  "oklch": {
    "l": 0.47666,
    "c": 0.06236,
    "h": 288.5
  },
  "luminance": 0.10547
}

Semantic roles & 50–950 ramp

primary

#5B577E

secondary

#A3A68B

accent

#BB6DB3

background

#F8F8FA

surface

#F0EFF4

border

#CBCACE

text

#0C0B0F

muted

#7D7C7F

Preview Lab

Preview with #5B577E

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

Preview Lab → · Contrast checker → · Palette generator →