#3A178F#3A178F

#3A178F is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.8% C 0.177 H 286.0°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#3A178F
RGB	rgb(58, 23, 143)
HSL	hsl(258, 72%, 33%)
HSV	hsv(258, 84%, 56%)
CMYK	cmyk(59.4%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(21.93, 46.18, -59.14)
CIE-LCH	lch(21.93, 75.04, 307.99°)
OKLab	oklab(34.81% 0.0489 -0.1704)
OKLCH	oklch(34.81% 0.177 286)
XYZ	xyz(7.0077, 3.4951, 26.2866)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A178F #6C8F17

analogous

#17308F #3A178F #76178F

triadic

#3A178F #8F3A17 #178F3A

tetradic

#3A178F #8F1730 #6C8F17 #178F76

square

#3A178F #8F1730 #6C8F17 #178F76

split-complementary

#3A178F #8F7617 #308F17

monochromatic

#0F0626 #250F5A #3A178F #4F1FC4 #6F40E0

Accessibility & contrast

On white

12.36

#3A178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#3A178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A178F

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A178F	#FFFFFF	#000000	##FFFFFF
##3A178F	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003792

Deuteranopia (green-blind)

#00318D

Tritanopia (blue-blind)

#0B3C54

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #3a178f;
/* rgb */ color: rgb(58, 23, 143);
/* oklch */ color: oklch(34.8% 0.177 286.0);

Tailwind

colors: {
  custom: {
    50: '#7c5ab1',
    500: '#3a178f',
    950: '#000000',
  },
}

SCSS

$custom: #3a178f;
$custom-light: #7c5ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a178f",
  "rgb": {
    "r": 58,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 257.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34811,
    "c": 0.17725,
    "h": 286
  },
  "luminance": 0.03496
}

Semantic roles & 50–950 ramp

primary

#3A178F

secondary

#9BC141

accent

#EF39BA

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3A178F

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

Preview Lab → · Contrast checker → · Palette generator →