#5B137E#5B137E

#5B137E is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.9% C 0.167 H 311.0°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#5B137E
RGB	rgb(91, 19, 126)
HSL	hsl(280, 74%, 28%)
HSV	hsv(280, 85%, 49%)
CMYK	cmyk(27.8%, 84.9%, 0%, 50.6%)
CIE-LAB	lab(24.31, 48.19, -44.39)
CIE-LCH	lch(24.31, 65.52, 317.35°)
OKLab	oklab(36.95% 0.1094 -0.1259)
OKLCH	oklch(36.95% 0.167 311)
XYZ	xyz(8.3124, 4.1965, 20.1067)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Indigo

#4B0082

ΔE00 4.09

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B137E #367E13

analogous

#25137E #5B137E #7E136B

triadic

#5B137E #7E5B13 #137E5B

tetradic

#5B137E #7E2513 #367E13 #136B7E

square

#5B137E #7E2513 #367E13 #136B7E

split-complementary

#5B137E #6B7E13 #137E25

monochromatic

#13041B #350B49 #5B137E #811BB3 #A52CDF

Accessibility & contrast

On white

11.42

#5B137E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#5B137E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B137E

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B137E	#FFFFFF	#000000	##FFFFFF
##5B137E	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003781

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#562F4A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #5b137e;
/* rgb */ color: rgb(91, 19, 126);
/* oklch */ color: oklch(36.9% 0.167 311.0);

Tailwind

colors: {
  custom: {
    50: '#8e5ca4',
    500: '#5b137e',
    950: '#000000',
  },
}

SCSS

$custom: #5b137e;
$custom-light: #8e5ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b137e",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 126
  },
  "hsl": {
    "h": 280.374,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36946,
    "c": 0.16684,
    "h": 311
  },
  "luminance": 0.04196
}

Semantic roles & 50–950 ramp

primary

#5B137E

secondary

#61B439

accent

#F03774

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D040F

muted

#7E797F

Preview Lab

Preview with #5B137E

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

Preview Lab → · Contrast checker → · Palette generator →