#3A188F#3A188F

#3A188F is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.9% C 0.176 H 285.9°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#3A188F
RGB	rgb(58, 24, 143)
HSL	hsl(257, 71%, 33%)
HSV	hsv(257, 83%, 56%)
CMYK	cmyk(59.4%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(22.07, 45.76, -58.90)
CIE-LCH	lch(22.07, 74.59, 307.84°)
OKLab	oklab(34.91% 0.0483 -0.1697)
OKLCH	oklch(34.91% 0.176 285.9)
XYZ	xyz(7.0280, 3.5356, 26.2934)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A188F #6D8F18

analogous

#18318F #3A188F #75188F

triadic

#3A188F #8F3A18 #188F3A

tetradic

#3A188F #8F1831 #6D8F18 #188F75

square

#3A188F #8F1831 #6D8F18 #188F75

split-complementary

#3A188F #8F7518 #318F18

monochromatic

#0F0626 #250F5B #3A188F #4F21C3 #6F42DF

Accessibility & contrast

On white

12.30

#3A188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#3A188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A188F

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A188F	#FFFFFF	#000000	##FFFFFF
##3A188F	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003892

Deuteranopia (green-blind)

#00318D

Tritanopia (blue-blind)

#0B3C55

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #3a188f;
/* rgb */ color: rgb(58, 24, 143);
/* oklch */ color: oklch(34.9% 0.176 285.9);

Tailwind

colors: {
  custom: {
    50: '#7c5bb1',
    500: '#3a188f',
    950: '#000000',
  },
}

SCSS

$custom: #3a188f;
$custom-light: #7c5bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a188f",
  "rgb": {
    "r": 58,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 257.143,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34911,
    "c": 0.17642,
    "h": 285.9
  },
  "luminance": 0.03536
}

Semantic roles & 50–950 ramp

primary

#3A188F

secondary

#9CC043

accent

#EE3ABB

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3A188F

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

Preview Lab → · Contrast checker → · Palette generator →