#4B137F#4B137F

#4B137F is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.8% C 0.164 H 301.2°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#4B137F
RGB	rgb(75, 19, 127)
HSL	hsl(271, 74%, 29%)
HSV	hsv(271, 85%, 50%)
CMYK	cmyk(40.9%, 85%, 0%, 50.2%)
CIE-LAB	lab(21.92, 45.77, -49.03)
CIE-LCH	lch(21.92, 67.07, 313.03°)
OKLab	oklab(34.8% 0.085 -0.1402)
OKLCH	oklch(34.8% 0.164 301.2)
XYZ	xyz(6.9643, 3.4939, 20.3820)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.07

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B137F #477F13

analogous

#15137F #4B137F #7F137D

triadic

#4B137F #7F4B13 #137F4B

tetradic

#4B137F #7F1513 #477F13 #137D7F

square

#4B137F #7F1513 #477F13 #137D7F

split-complementary

#4B137F #7D7F13 #137F15

monochromatic

#10041B #2C0B4A #4B137F #6A1BB4 #8A2DE0

Accessibility & contrast

On white

12.36

#4B137F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#4B137F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B137F

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B137F	#FFFFFF	#000000	##FFFFFF
##4B137F	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#00347D

Tritanopia (blue-blind)

#3F324A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #4b137f;
/* rgb */ color: rgb(75, 19, 127);
/* oklch */ color: oklch(34.8% 0.164 301.2);

Tailwind

colors: {
  custom: {
    50: '#8359a5',
    500: '#4b137f',
    950: '#000000',
  },
}

SCSS

$custom: #4b137f;
$custom-light: #8359a5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b137f",
  "rgb": {
    "r": 75,
    "g": 19,
    "b": 127
  },
  "hsl": {
    "h": 271.111,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.348,
    "c": 0.16394,
    "h": 301.2
  },
  "luminance": 0.03494
}

Semantic roles & 50–950 ramp

primary

#4B137F

secondary

#75B439

accent

#F13790

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4B137F

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

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