#4A178E#4A178E

#4A178E is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.5% C 0.176 H 295.3°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#4A178E
RGB	rgb(74, 23, 142)
HSL	hsl(266, 72%, 32%)
HSV	hsv(266, 84%, 56%)
CMYK	cmyk(47.9%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(23.74, 47.93, -55.46)
CIE-LCH	lch(23.74, 73.30, 310.83°)
OKLab	oklab(36.47% 0.0753 -0.1591)
OKLCH	oklch(36.47% 0.176 295.3)
XYZ	xyz(8.0116, 4.0214, 25.9400)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A178E #5B8E17

analogous

#17208E #4A178E #85178E

triadic

#4A178E #8E4A17 #178E4A

tetradic

#4A178E #8E1720 #5B8E17 #178E85

square

#4A178E #8E1720 #5B8E17 #178E85

split-complementary

#4A178E #8E8517 #208E17

monochromatic

#130625 #2F0E59 #4A178E #6520C3 #843FE0

Accessibility & contrast

On white

11.64

#4A178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#4A178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A178E

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A178E	#FFFFFF	#000000	##FFFFFF
##4A178E	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003991

Deuteranopia (green-blind)

#00378C

Tritanopia (blue-blind)

#363A54

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #4a178e;
/* rgb */ color: rgb(74, 23, 142);
/* oklch */ color: oklch(36.5% 0.176 295.3);

Tailwind

colors: {
  custom: {
    50: '#845cb0',
    500: '#4a178e',
    950: '#000000',
  },
}

SCSS

$custom: #4a178e;
$custom-light: #845cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#4a178e",
  "rgb": {
    "r": 74,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 265.714,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.3647,
    "c": 0.17602,
    "h": 295.3
  },
  "luminance": 0.04022
}

Semantic roles & 50–950 ramp

primary

#4A178E

secondary

#8AC040

accent

#EF39A1

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0411

muted

#7D7980

Preview Lab

Preview with #4A178E

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

Preview Lab → · Contrast checker → · Palette generator →