#311F7F#311F7F

#311F7F is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.2% C 0.151 H 283.0°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#311F7F
RGB	rgb(49, 31, 127)
HSL	hsl(251, 61%, 31%)
HSV	hsv(251, 76%, 50%)
CMYK	cmyk(61.4%, 75.6%, 0%, 50.2%)
CIE-LAB	lab(20.69, 36.24, -51.16)
CIE-LCH	lch(20.69, 62.70, 305.31°)
OKLab	oklab(33.22% 0.034 -0.1474)
OKLCH	oklch(33.22% 0.151 283)
XYZ	xyz(5.5862, 3.1649, 20.3911)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311F7F #6D7F1F

analogous

#1F3D7F #311F7F #611F7F

triadic

#311F7F #7F311F #1F7F31

tetradic

#311F7F #7F1F3D #6D7F1F #1F7F61

square

#311F7F #7F1F3D #6D7F1F #1F7F61

split-complementary

#311F7F #7F611F #3D7F1F

monochromatic

#0B071D #1E134E #311F7F #442BB0 #6146D2

Accessibility & contrast

On white

12.86

#311F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#311F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311F7F

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311F7F	#FFFFFF	#000000	##FFFFFF
##311F7F	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003582

Deuteranopia (green-blind)

#002F7D

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #311f7f;
/* rgb */ color: rgb(49, 31, 127);
/* oklch */ color: oklch(33.2% 0.151 283.0);

Tailwind

colors: {
  custom: {
    50: '#735da5',
    500: '#311f7f',
    950: '#000000',
  },
}

SCSS

$custom: #311f7f;
$custom-light: #735da5;
$custom-dark: #000000;

JSON

{
  "hex": "#311f7f",
  "rgb": {
    "r": 49,
    "g": 31,
    "b": 127
  },
  "hsl": {
    "h": 251.25,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33222,
    "c": 0.15132,
    "h": 283
  },
  "luminance": 0.03165
}

Semantic roles & 50–950 ramp

primary

#311F7F

secondary

#9EB248

accent

#E444C6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311F7F

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

Preview Lab → · Contrast checker → · Palette generator →