#3A188E#3A188E

#3A188E is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.8% C 0.175 H 286.1°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#3A188E
RGB	rgb(58, 24, 142)
HSL	hsl(257, 71%, 33%)
HSV	hsv(257, 83%, 56%)
CMYK	cmyk(59.2%, 83.1%, 0%, 44.3%)
CIE-LAB	lab(21.96, 45.47, -58.46)
CIE-LCH	lch(21.96, 74.06, 307.88°)
OKLab	oklab(34.8% 0.0486 -0.1684)
OKLCH	oklch(34.8% 0.175 286.1)
XYZ	xyz(6.9526, 3.5054, 25.8962)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A188E #6C8E18

analogous

#18318E #3A188E #75188E

triadic

#3A188E #8E3A18 #188E3A

tetradic

#3A188E #8E1831 #6C8E18 #188E75

square

#3A188E #8E1831 #6C8E18 #188E75

split-complementary

#3A188E #8E7518 #318E18

monochromatic

#0F0625 #250F5A #3A188E #4F21C2 #6F41DF

Accessibility & contrast

On white

12.34

#3A188E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#3A188E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A188E

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A188E	#FFFFFF	#000000	##FFFFFF
##3A188E	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#0D3C54

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #3a188e;
/* rgb */ color: rgb(58, 24, 142);
/* oklch */ color: oklch(34.8% 0.175 286.1);

Tailwind

colors: {
  custom: {
    50: '#7b5bb0',
    500: '#3a188e',
    950: '#000000',
  },
}

SCSS

$custom: #3a188e;
$custom-light: #7b5bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a188e",
  "rgb": {
    "r": 58,
    "g": 24,
    "b": 142
  },
  "hsl": {
    "h": 257.288,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34804,
    "c": 0.17527,
    "h": 286.1
  },
  "luminance": 0.03506
}

Semantic roles & 50–950 ramp

primary

#3A188E

secondary

#9BC042

accent

#EE3ABA

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3A188E

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

Preview Lab → · Contrast checker → · Palette generator →