#331D71#331D71

#331D71 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.7% C 0.135 H 288.1°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#331D71
RGB	rgb(51, 29, 113)
HSL	hsl(256, 59%, 28%)
HSV	hsv(256, 74%, 44%)
CMYK	cmyk(54.9%, 74.3%, 0%, 55.7%)
CIE-LAB	lab(19.12, 33.25, -44.78)
CIE-LCH	lch(19.12, 55.77, 306.59°)
OKLab	oklab(31.74% 0.0421 -0.1287)
OKLCH	oklch(31.74% 0.135 288.1)
XYZ	xyz(4.7844, 2.7746, 15.9030)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D71 #5B711D

analogous

#1D3171 #331D71 #5D1D71

triadic

#331D71 #71331D #1D7133

tetradic

#331D71 #711D31 #5B711D #1D715D

square

#331D71 #711D31 #5B711D #1D715D

split-complementary

#331D71 #715D1D #31711D

monochromatic

#0B0618 #1D1140 #331D71 #4929A2 #623CCD

Accessibility & contrast

On white

13.50

#331D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#331D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D71

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D71	#FFFFFF	#000000	##FFFFFF
##331D71	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003073

Deuteranopia (green-blind)

#002C6F

Tritanopia (blue-blind)

#1B3345

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331d71;
/* rgb */ color: rgb(51, 29, 113);
/* oklch */ color: oklch(31.7% 0.135 288.1);

Tailwind

colors: {
  custom: {
    50: '#725b9b',
    500: '#331d71',
    950: '#000000',
  },
}

SCSS

$custom: #331d71;
$custom-light: #725b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#331d71",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 113
  },
  "hsl": {
    "h": 255.714,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31735,
    "c": 0.13538,
    "h": 288.1
  },
  "luminance": 0.02775
}

Semantic roles & 50–950 ramp

primary

#331D71

secondary

#8CA544

accent

#E245B9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331D71

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

Preview Lab → · Contrast checker → · Palette generator →