#331A8F#331A8F

#331A8F is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.5% C 0.176 H 281.8°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#331A8F
RGB	rgb(51, 26, 143)
HSL	hsl(253, 69%, 33%)
HSV	hsv(253, 82%, 56%)
CMYK	cmyk(64.3%, 81.8%, 0%, 43.9%)
CIE-LAB	lab(21.67, 44.07, -59.59)
CIE-LCH	lch(21.67, 74.11, 306.49°)
OKLab	oklab(34.46% 0.0359 -0.1719)
OKLCH	oklch(34.46% 0.176 281.8)
XYZ	xyz(6.6910, 3.4253, 26.2898)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A8F #768F1A

analogous

#1A3B8F #331A8F #6E1A8F

triadic

#331A8F #8F331A #1A8F33

tetradic

#331A8F #8F1A3B #768F1A #1A8F6E

square

#331A8F #8F1A3B #768F1A #1A8F6E

split-complementary

#331A8F #8F6E1A #3B8F1A

monochromatic

#0E0727 #21115B #331A8F #4523C3 #6646DD

Accessibility & contrast

On white

12.46

#331A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#331A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A8F

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A8F	#FFFFFF	#000000	##FFFFFF
##331A8F	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003892

Deuteranopia (green-blind)

#00308D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #331a8f;
/* rgb */ color: rgb(51, 26, 143);
/* oklch */ color: oklch(34.5% 0.176 281.8);

Tailwind

colors: {
  custom: {
    50: '#785bb1',
    500: '#331a8f',
    950: '#000000',
  },
}

SCSS

$custom: #331a8f;
$custom-light: #785bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#331a8f",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 143
  },
  "hsl": {
    "h": 252.821,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34463,
    "c": 0.17563,
    "h": 281.8
  },
  "luminance": 0.03426
}

Semantic roles & 50–950 ramp

primary

#331A8F

secondary

#A5BF46

accent

#EC3CC6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331A8F

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

Preview Lab → · Contrast checker → · Palette generator →