#311237#311237

#311237 is a very dark, moderate purple. Relative luminance 0.014; OKLCH L 24.8% C 0.077 H 320.9°. Best body text is #FFFFFF at 16.51:1 contrast (WCAG AA passes).

Color values

HEX	#311237
RGB	rgb(49, 18, 55)
HSL	hsl(290, 51%, 14%)
HSV	hsv(290, 67%, 22%)
CMYK	cmyk(10.9%, 67.3%, 0%, 78.4%)
CIE-LAB	lab(11.70, 22.50, -17.38)
CIE-LCH	lch(11.70, 28.44, 322.31°)
OKLab	oklab(24.83% 0.0594 -0.0483)
OKLCH	oklch(24.83% 0.077 320.9)
XYZ	xyz(2.1724, 1.3615, 3.7621)
Luminance	0.0136 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311237 #183712

analogous

#1F1237 #311237 #37122B

triadic

#311237 #373112 #123731

tetradic

#311237 #371F12 #183712 #122B37

square

#311237 #371F12 #183712 #122B37

split-complementary

#311237 #2B3712 #12371F

monochromatic

#150817 #150817 #311237 #5A2165 #833093

Accessibility & contrast

On white

16.51

#311237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#311237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311237

16.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311237	#FFFFFF	#000000	##FFFFFF
##311237	1.00	16.51	1.27	16.51
#FFFFFF	16.51	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1D38

Deuteranopia (green-blind)

#162036

Tritanopia (blue-blind)

#311822

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #311237;
/* rgb */ color: rgb(49, 18, 55);
/* oklch */ color: oklch(24.8% 0.077 320.9);

Tailwind

colors: {
  custom: {
    50: '#6a526e',
    500: '#311237',
    950: '#000000',
  },
}

SCSS

$custom: #311237;
$custom-light: #6a526e;
$custom-dark: #000000;

JSON

{
  "hex": "#311237",
  "rgb": {
    "r": 49,
    "g": 18,
    "b": 55
  },
  "hsl": {
    "h": 290.27,
    "s": 50.685,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24831,
    "c": 0.0766,
    "h": 320.9
  },
  "luminance": 0.01361
}

Semantic roles & 50–950 ramp

primary

#311237

secondary

#3F7035

accent

#DA4E64

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070207

muted

#7A787A

Preview Lab

Preview with #311237

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

Preview Lab → · Contrast checker → · Palette generator →