#5B137F#5B137F

#5B137F is a dark, vivid purple. Relative luminance 0.042; OKLCH L 37.0% C 0.168 H 310.6°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#5B137F
RGB	rgb(91, 19, 127)
HSL	hsl(280, 74%, 29%)
HSV	hsv(280, 85%, 50%)
CMYK	cmyk(28.3%, 85%, 0%, 50.2%)
CIE-LAB	lab(24.39, 48.40, -44.89)
CIE-LCH	lch(24.39, 66.02, 317.16°)
OKLab	oklab(37.03% 0.1091 -0.1274)
OKLCH	oklch(37.03% 0.168 310.6)
XYZ	xyz(8.3773, 4.2224, 20.4483)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Indigo

#4B0082

ΔE00 4.01

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B137F #377F13

analogous

#25137F #5B137F #7F136D

triadic

#5B137F #7F5B13 #137F5B

tetradic

#5B137F #7F2513 #377F13 #136D7F

square

#5B137F #7F2513 #377F13 #136D7F

split-complementary

#5B137F #6D7F13 #137F25

monochromatic

#13041B #350B4A #5B137F #811BB4 #A42DE0

Accessibility & contrast

On white

11.39

#5B137F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#5B137F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B137F

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B137F	#FFFFFF	#000000	##FFFFFF
##5B137F	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#56304B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #5b137f;
/* rgb */ color: rgb(91, 19, 127);
/* oklch */ color: oklch(37.0% 0.168 310.6);

Tailwind

colors: {
  custom: {
    50: '#8e5ca5',
    500: '#5b137f',
    950: '#000000',
  },
}

SCSS

$custom: #5b137f;
$custom-light: #8e5ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b137f",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 127
  },
  "hsl": {
    "h": 280,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37029,
    "c": 0.16777,
    "h": 310.6
  },
  "luminance": 0.04222
}

Semantic roles & 50–950 ramp

primary

#5B137F

secondary

#62B439

accent

#F13775

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D040F

muted

#7E797F

Preview Lab

Preview with #5B137F

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

Preview Lab → · Contrast checker → · Palette generator →