#3A1B8B#3A1B8B

#3A1B8B is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.8% C 0.169 H 286.4°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#3A1B8B
RGB	rgb(58, 27, 139)
HSL	hsl(257, 67%, 33%)
HSV	hsv(257, 81%, 55%)
CMYK	cmyk(58.3%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(22.11, 43.24, -56.34)
CIE-LCH	lch(22.11, 71.02, 307.51°)
OKLab	oklab(34.81% 0.0477 -0.1622)
OKLCH	oklch(34.81% 0.169 286.4)
XYZ	xyz(6.7957, 3.5471, 24.7477)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A1B8B #6C8B1B

analogous

#1B348B #3A1B8B #721B8B

triadic

#3A1B8B #8B3A1B #1B8B3A

tetradic

#3A1B8B #8B1B34 #6C8B1B #1B8B72

square

#3A1B8B #8B1B34 #6C8B1B #1B8B72

split-complementary

#3A1B8B #8B721B #348B1B

monochromatic

#0F0725 #251158 #3A1B8B #4F25BE #6F45DB

Accessibility & contrast

On white

12.29

#3A1B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#3A1B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A1B8B

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A1B8B	#FFFFFF	#000000	##FFFFFF
##3A1B8B	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#003289

Tritanopia (blue-blind)

#123C53

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #3a1b8b;
/* rgb */ color: rgb(58, 27, 139);
/* oklch */ color: oklch(34.8% 0.169 286.4);

Tailwind

colors: {
  custom: {
    50: '#7b5cae',
    500: '#3a1b8b',
    950: '#000000',
  },
}

SCSS

$custom: #3a1b8b;
$custom-light: #7b5cae;
$custom-dark: #000000;

JSON

{
  "hex": "#3a1b8b",
  "rgb": {
    "r": 58,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 256.607,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34812,
    "c": 0.16912,
    "h": 286.4
  },
  "luminance": 0.03547
}

Semantic roles & 50–950 ramp

primary

#3A1B8B

secondary

#9BBC45

accent

#EA3DBA

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #3A1B8B

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

Preview Lab → · Contrast checker → · Palette generator →