#311A4F#311A4F

#311A4F is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.0% C 0.094 H 300.4°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#311A4F
RGB	rgb(49, 26, 79)
HSL	hsl(266, 50%, 21%)
HSV	hsv(266, 67%, 31%)
CMYK	cmyk(38%, 67.1%, 0%, 69%)
CIE-LAB	lab(15.26, 24.11, -28.50)
CIE-LCH	lch(15.26, 37.33, 310.23°)
OKLab	oklab(27.98% 0.0475 -0.0809)
OKLCH	oklch(27.98% 0.094 300.4)
XYZ	xyz(3.0470, 1.9562, 7.6127)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A4F #384F1A

analogous

#1A1D4F #311A4F #4B1A4F

triadic

#311A4F #4F311A #1A4F31

tetradic

#311A4F #4F1A1D #384F1A #1A4F4B

square

#311A4F #4F1A1D #384F1A #1A4F4B

split-complementary

#311A4F #4F4B1A #1D4F1A

monochromatic

#0E0817 #140B21 #311A4F #4E297D #6A38AB

Accessibility & contrast

On white

15.09

#311A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#311A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A4F

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A4F	#FFFFFF	#000000	##FFFFFF
##311A4F	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002651

Deuteranopia (green-blind)

#08264E

Tritanopia (blue-blind)

#2B2531

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #311a4f;
/* rgb */ color: rgb(49, 26, 79);
/* oklch */ color: oklch(28.0% 0.094 300.4);

Tailwind

colors: {
  custom: {
    50: '#6c5881',
    500: '#311a4f',
    950: '#000000',
  },
}

SCSS

$custom: #311a4f;
$custom-light: #6c5881;
$custom-dark: #000000;

JSON

{
  "hex": "#311a4f",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 79
  },
  "hsl": {
    "h": 266.038,
    "s": 50.476,
    "l": 20.588
  },
  "oklch": {
    "l": 0.27978,
    "c": 0.09381,
    "h": 300.4
  },
  "luminance": 0.01956
}

Semantic roles & 50–950 ramp

primary

#311A4F

secondary

#678540

accent

#DA4E9D

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #311A4F

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

Preview Lab → · Contrast checker → · Palette generator →