#3A178D#3A178D

#3A178D is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.6% C 0.175 H 286.5°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#3A178D
RGB	rgb(58, 23, 141)
HSL	hsl(258, 72%, 32%)
HSV	hsv(258, 84%, 55%)
CMYK	cmyk(58.9%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(21.71, 45.62, -58.26)
CIE-LCH	lch(21.71, 73.99, 308.06°)
OKLab	oklab(34.6% 0.0496 -0.1678)
OKLCH	oklch(34.6% 0.175 286.5)
XYZ	xyz(6.8576, 3.4350, 25.4958)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A178D #6A8D17

analogous

#172F8D #3A178D #75178D

triadic

#3A178D #8D3A17 #178D3A

tetradic

#3A178D #8D172F #6A8D17 #178D75

square

#3A178D #8D172F #6A8D17 #178D75

split-complementary

#3A178D #8D7517 #2F8D17

monochromatic

#0F0624 #240E58 #3A178D #5020C2 #6E3FE0

Accessibility & contrast

On white

12.45

#3A178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#3A178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A178D

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A178D	#FFFFFF	#000000	##FFFFFF
##3A178D	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#00318B

Tritanopia (blue-blind)

#0F3B53

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #3a178d;
/* rgb */ color: rgb(58, 23, 141);
/* oklch */ color: oklch(34.6% 0.175 286.5);

Tailwind

colors: {
  custom: {
    50: '#7b5ab0',
    500: '#3a178d',
    950: '#000000',
  },
}

SCSS

$custom: #3a178d;
$custom-light: #7b5ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a178d",
  "rgb": {
    "r": 58,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 257.797,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34595,
    "c": 0.17497,
    "h": 286.5
  },
  "luminance": 0.03435
}

Semantic roles & 50–950 ramp

primary

#3A178D

secondary

#9AC040

accent

#EF39B9

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #3A178D

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

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