#4D188B#4D188B

#4D188B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.6% C 0.172 H 297.8°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#4D188B
RGB	rgb(77, 24, 139)
HSL	hsl(268, 71%, 32%)
HSV	hsv(268, 83%, 55%)
CMYK	cmyk(44.6%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(23.98, 47.20, -53.18)
CIE-LCH	lch(23.98, 71.11, 311.59°)
OKLab	oklab(36.64% 0.0804 -0.1523)
OKLCH	oklch(36.64% 0.172 297.8)
XYZ	xyz(8.0462, 4.0950, 24.7876)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D188B #568B18

analogous

#181D8B #4D188B #87188B

triadic

#4D188B #8B4D18 #188B4D

tetradic

#4D188B #8B181D #568B18 #188B87

square

#4D188B #8B181D #568B18 #188B87

split-complementary

#4D188B #8B8718 #1D8B18

monochromatic

#130623 #300F57 #4D188B #6A21BF #883FDE

Accessibility & contrast

On white

11.54

#4D188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#4D188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D188B

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D188B	#FFFFFF	#000000	##FFFFFF
##4D188B	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#3D3952

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #4d188b;
/* rgb */ color: rgb(77, 24, 139);
/* oklch */ color: oklch(36.6% 0.172 297.8);

Tailwind

colors: {
  custom: {
    50: '#865dae',
    500: '#4d188b',
    950: '#000000',
  },
}

SCSS

$custom: #4d188b;
$custom-light: #865dae;
$custom-dark: #000000;

JSON

{
  "hex": "#4d188b",
  "rgb": {
    "r": 77,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 267.652,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36636,
    "c": 0.17226,
    "h": 297.8
  },
  "luminance": 0.04095
}

Semantic roles & 50–950 ramp

primary

#4D188B

secondary

#84BE40

accent

#ED3A9B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0410

muted

#7D797F

Preview Lab

Preview with #4D188B

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

Preview Lab → · Contrast checker → · Palette generator →