#3A178E#3A178E

#3A178E is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.7% C 0.176 H 286.2°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#3A178E
RGB	rgb(58, 23, 142)
HSL	hsl(258, 72%, 32%)
HSV	hsv(258, 84%, 56%)
CMYK	cmyk(59.2%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(21.82, 45.90, -58.70)
CIE-LCH	lch(21.82, 74.52, 308.02°)
OKLab	oklab(34.7% 0.0492 -0.1691)
OKLCH	oklch(34.7% 0.176 286.2)
XYZ	xyz(6.9323, 3.4649, 25.8894)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A178E #6B8E17

analogous

#17308E #3A178E #75178E

triadic

#3A178E #8E3A17 #178E3A

tetradic

#3A178E #8E1730 #6B8E17 #178E75

square

#3A178E #8E1730 #6B8E17 #178E75

split-complementary

#3A178E #8E7517 #308E17

monochromatic

#0F0625 #240E59 #3A178E #5020C3 #6F3FE0

Accessibility & contrast

On white

12.40

#3A178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#3A178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A178E

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A178E	#FFFFFF	#000000	##FFFFFF
##3A178E	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#0D3C54

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #3a178e;
/* rgb */ color: rgb(58, 23, 142);
/* oklch */ color: oklch(34.7% 0.176 286.2);

Tailwind

colors: {
  custom: {
    50: '#7b5ab0',
    500: '#3a178e',
    950: '#000000',
  },
}

SCSS

$custom: #3a178e;
$custom-light: #7b5ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a178e",
  "rgb": {
    "r": 58,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 257.647,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34703,
    "c": 0.17611,
    "h": 286.2
  },
  "luminance": 0.03465
}

Semantic roles & 50–950 ramp

primary

#3A178E

secondary

#9BC040

accent

#EF39B9

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3A178E

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

Preview Lab → · Contrast checker → · Palette generator →