#331B44#331B44

#331B44 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.6% C 0.077 H 309.3°. Best body text is #FFFFFF at 15.21:1 contrast (WCAG AA passes).

Color values

HEX	#331B44
RGB	rgb(51, 27, 68)
HSL	hsl(275, 43%, 19%)
HSV	hsv(275, 60%, 27%)
CMYK	cmyk(25%, 60.3%, 0%, 73.3%)
CIE-LAB	lab(14.98, 20.89, -21.35)
CIE-LCH	lch(14.98, 29.87, 314.38°)
OKLab	oklab(27.58% 0.0489 -0.0599)
OKLCH	oklch(27.58% 0.077 309.3)
XYZ	xyz(2.8004, 1.9051, 5.6879)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B44 #2C441B

analogous

#1E1B44 #331B44 #441B40

triadic

#331B44 #44331B #1B4433

tetradic

#331B44 #441E1B #2C441B #1B4044

square

#331B44 #441E1B #2C441B #1B4044

split-complementary

#331B44 #40441B #1B441E

monochromatic

#100916 #120A18 #331B44 #542C70 #753E9C

Accessibility & contrast

On white

15.21

#331B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#331B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B44

15.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B44	#FFFFFF	#000000	##FFFFFF
##331B44	1.00	15.21	1.38	15.21
#FFFFFF	15.21	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F2545

Deuteranopia (green-blind)

#172643

Tritanopia (blue-blind)

#31222C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331b44;
/* rgb */ color: rgb(51, 27, 68);
/* oklch */ color: oklch(27.6% 0.077 309.3);

Tailwind

colors: {
  custom: {
    50: '#6c5878',
    500: '#331b44',
    950: '#000000',
  },
}

SCSS

$custom: #331b44;
$custom-light: #6c5878;
$custom-dark: #000000;

JSON

{
  "hex": "#331b44",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 68
  },
  "hsl": {
    "h": 275.122,
    "s": 43.158,
    "l": 18.627
  },
  "oklch": {
    "l": 0.27584,
    "c": 0.0773,
    "h": 309.3
  },
  "luminance": 0.01905
}

Semantic roles & 50–950 ramp

primary

#331B44

secondary

#597A41

accent

#D35589

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070309

muted

#7A787B

Preview Lab

Preview with #331B44

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

Preview Lab → · Contrast checker → · Palette generator →