#4B137E#4B137E

#4B137E is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.7% C 0.163 H 301.6°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#4B137E
RGB	rgb(75, 19, 126)
HSL	hsl(271, 74%, 28%)
HSV	hsv(271, 85%, 49%)
CMYK	cmyk(40.5%, 84.9%, 0%, 50.6%)
CIE-LAB	lab(21.83, 45.52, -48.55)
CIE-LCH	lch(21.83, 66.55, 313.16°)
OKLab	oklab(34.71% 0.0854 -0.1388)
OKLCH	oklch(34.71% 0.163 301.6)
XYZ	xyz(6.8995, 3.4679, 20.0405)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.12

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B137E #467E13

analogous

#16137E #4B137E #7E137B

triadic

#4B137E #7E4B13 #137E4B

tetradic

#4B137E #7E1613 #467E13 #137B7E

square

#4B137E #7E1613 #467E13 #137B7E

split-complementary

#4B137E #7B7E13 #137E16

monochromatic

#10041B #2B0B49 #4B137E #6B1BB3 #8A2CDF

Accessibility & contrast

On white

12.40

#4B137E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#4B137E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B137E

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B137E	#FFFFFF	#000000	##FFFFFF
##4B137E	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#00347C

Tritanopia (blue-blind)

#40324A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #4b137e;
/* rgb */ color: rgb(75, 19, 126);
/* oklch */ color: oklch(34.7% 0.163 301.6);

Tailwind

colors: {
  custom: {
    50: '#8359a4',
    500: '#4b137e',
    950: '#000000',
  },
}

SCSS

$custom: #4b137e;
$custom-light: #8359a4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b137e",
  "rgb": {
    "r": 75,
    "g": 19,
    "b": 126
  },
  "hsl": {
    "h": 271.402,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34706,
    "c": 0.16292,
    "h": 301.6
  },
  "luminance": 0.03468
}

Semantic roles & 50–950 ramp

primary

#4B137E

secondary

#74B439

accent

#F03790

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4B137E

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

Preview Lab → · Contrast checker → · Palette generator →