#331F67#331F67

#331F67 is a dark, moderate violet. Relative luminance 0.027; OKLCH L 31.1% C 0.119 H 290.5°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#331F67
RGB	rgb(51, 31, 103)
HSL	hsl(257, 54%, 26%)
HSV	hsv(257, 70%, 40%)
CMYK	cmyk(50.5%, 69.9%, 0%, 59.6%)
CIE-LAB	lab(18.64, 28.89, -39.05)
CIE-LCH	lch(18.64, 48.58, 306.49°)
OKLab	oklab(31.11% 0.0419 -0.1118)
OKLCH	oklch(31.11% 0.119 290.5)
XYZ	xyz(4.3027, 2.6629, 13.1166)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F67 #53671F

analogous

#1F2F67 #331F67 #571F67

triadic

#331F67 #67331F #1F6733

tetradic

#331F67 #671F2F #53671F #1F6757

square

#331F67 #671F2F #53671F #1F6757

split-complementary

#331F67 #67571F #2F671F

monochromatic

#0C0718 #1C1138 #331F67 #4A2D96 #623CC4

Accessibility & contrast

On white

13.70

#331F67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#331F67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F67

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F67	#FFFFFF	#000000	##FFFFFF
##331F67	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F69

Deuteranopia (green-blind)

#002C66

Tritanopia (blue-blind)

#223140

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331f67;
/* rgb */ color: rgb(51, 31, 103);
/* oklch */ color: oklch(31.1% 0.119 290.5);

Tailwind

colors: {
  custom: {
    50: '#705c93',
    500: '#331f67',
    950: '#000000',
  },
}

SCSS

$custom: #331f67;
$custom-light: #705c93;
$custom-dark: #000000;

JSON

{
  "hex": "#331f67",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 103
  },
  "hsl": {
    "h": 256.667,
    "s": 53.731,
    "l": 26.275
  },
  "oklch": {
    "l": 0.31111,
    "c": 0.11943,
    "h": 290.5
  },
  "luminance": 0.02663
}

Semantic roles & 50–950 ramp

primary

#331F67

secondary

#849B46

accent

#DD4BB4

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331F67

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

Preview Lab → · Contrast checker → · Palette generator →