#5B579C#5B579C

#5B579C is a mid, moderate blue. Relative luminance 0.114; OKLCH L 49.3% C 0.108 H 284.3°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#5B579C
RGB	rgb(91, 87, 156)
HSL	hsl(243, 28%, 48%)
HSV	hsv(243, 44%, 61%)
CMYK	cmyk(41.7%, 44.2%, 0%, 38.8%)
CIE-LAB	lab(40.31, 19.57, -37.16)
CIE-LCH	lch(40.31, 42.00, 297.77°)
OKLab	oklab(49.31% 0.0268 -0.1049)
OKLCH	oklch(49.31% 0.108 284.3)
XYZ	xyz(13.7216, 11.4403, 32.9313)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B579C #989C57

analogous

#57769C #5B579C #7D579C

triadic

#5B579C #9C5B57 #579C5B

tetradic

#5B579C #9C5776 #989C57 #579C7D

square

#5B579C #9C5776 #989C57 #579C7D

split-complementary

#5B579C #9C7D57 #769C57

monochromatic

#2D2B4D #444175 #5B579C #7E7BB5 #A5A2CB

Accessibility & contrast

On white

6.39

#5B579C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#5B579C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B579C

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B579C	#FFFFFF	#000000	##FFFFFF
##5B579C	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E619F

Deuteranopia (green-blind)

#3C5D9A

Tritanopia (blue-blind)

#486572

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5b579c;
/* rgb */ color: rgb(91, 87, 156);
/* oklch */ color: oklch(49.3% 0.108 284.3);

Tailwind

colors: {
  custom: {
    50: '#8d86b9',
    500: '#5b579c',
    950: '#000000',
  },
}

SCSS

$custom: #5b579c;
$custom-light: #8d86b9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b579c",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 156
  },
  "hsl": {
    "h": 243.478,
    "s": 28.395,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49311,
    "c": 0.10825,
    "h": 284.3
  },
  "luminance": 0.11441
}

Semantic roles & 50–950 ramp

primary

#5B579C

secondary

#B7B996

accent

#C563BF

background

#F8F8FB

surface

#F0EFF6

border

#CBCAD0

text

#0C0B11

muted

#7D7C80

Preview Lab

Preview with #5B579C

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

Preview Lab → · Contrast checker → · Palette generator →