#4D187B#4D187B

#4D187B is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.2% C 0.155 H 303.3°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#4D187B
RGB	rgb(77, 24, 123)
HSL	hsl(272, 67%, 29%)
HSV	hsv(272, 80%, 48%)
CMYK	cmyk(37.4%, 80.5%, 0%, 51.8%)
CIE-LAB	lab(22.52, 43.17, -45.50)
CIE-LCH	lch(22.52, 62.72, 313.50°)
OKLab	oklab(35.17% 0.0854 -0.1298)
OKLCH	oklch(35.17% 0.155 303.3)
XYZ	xyz(6.9615, 3.6611, 19.0750)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.16

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D187B #467B18

analogous

#1C187B #4D187B #7B1878

triadic

#4D187B #7B4D18 #187B4D

tetradic

#4D187B #7B1C18 #467B18 #18787B

square

#4D187B #7B1C18 #467B18 #18787B

split-complementary

#4D187B #787B18 #187B1C

monochromatic

#10051A #2D0E48 #4D187B #6D22AE #8C36D8

Accessibility & contrast

On white

12.12

#4D187B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#4D187B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D187B

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D187B	#FFFFFF	#000000	##FFFFFF
##4D187B	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#003679

Tritanopia (blue-blind)

#443249

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #4d187b;
/* rgb */ color: rgb(77, 24, 123);
/* oklch */ color: oklch(35.2% 0.155 303.3);

Tailwind

colors: {
  custom: {
    50: '#845ca2',
    500: '#4d187b',
    950: '#000000',
  },
}

SCSS

$custom: #4d187b;
$custom-light: #845ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d187b",
  "rgb": {
    "r": 77,
    "g": 24,
    "b": 123
  },
  "hsl": {
    "h": 272.121,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35165,
    "c": 0.15533,
    "h": 303.3
  },
  "luminance": 0.03661
}

Semantic roles & 50–950 ramp

primary

#4D187B

secondary

#73B03F

accent

#EA3E8E

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4D187B

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

Preview Lab → · Contrast checker → · Palette generator →