#311A4E#311A4E

#311A4E is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.9% C 0.092 H 301.0°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#311A4E
RGB	rgb(49, 26, 78)
HSL	hsl(267, 50%, 20%)
HSV	hsv(267, 67%, 31%)
CMYK	cmyk(37.2%, 66.7%, 0%, 69.4%)
CIE-LAB	lab(15.18, 23.81, -27.94)
CIE-LCH	lch(15.18, 36.71, 310.44°)
OKLab	oklab(27.9% 0.0475 -0.0793)
OKLCH	oklch(27.9% 0.092 301)
XYZ	xyz(3.0108, 1.9418, 7.4224)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A4E #374E1A

analogous

#1A1D4E #311A4E #4B1A4E

triadic

#311A4E #4E311A #1A4E31

tetradic

#311A4E #4E1A1D #374E1A #1A4E4B

square

#311A4E #4E1A1D #374E1A #1A4E4B

split-complementary

#311A4E #4E4B1A #1D4E1A

monochromatic

#0E0817 #140B20 #311A4E #4E297C #6B39AA

Accessibility & contrast

On white

15.13

#311A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#311A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A4E

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A4E	#FFFFFF	#000000	##FFFFFF
##311A4E	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002650

Deuteranopia (green-blind)

#09264D

Tritanopia (blue-blind)

#2B2531

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #311a4e;
/* rgb */ color: rgb(49, 26, 78);
/* oklch */ color: oklch(27.9% 0.092 301.0);

Tailwind

colors: {
  custom: {
    50: '#6c5880',
    500: '#311a4e',
    950: '#000000',
  },
}

SCSS

$custom: #311a4e;
$custom-light: #6c5880;
$custom-dark: #000000;

JSON

{
  "hex": "#311a4e",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 78
  },
  "hsl": {
    "h": 266.538,
    "s": 50,
    "l": 20.392
  },
  "oklch": {
    "l": 0.27898,
    "c": 0.09242,
    "h": 301
  },
  "luminance": 0.01942
}

Semantic roles & 50–950 ramp

primary

#311A4E

secondary

#668440

accent

#DA4E9C

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #311A4E

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

Preview Lab → · Contrast checker → · Palette generator →