#311679#311679

#311679 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.4% C 0.153 H 286.1°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#311679
RGB	rgb(49, 22, 121)
HSL	hsl(256, 69%, 28%)
HSV	hsv(256, 82%, 47%)
CMYK	cmyk(59.5%, 81.8%, 0%, 52.5%)
CIE-LAB	lab(18.40, 39.14, -51.12)
CIE-LCH	lch(18.40, 64.38, 307.44°)
OKLab	oklab(31.42% 0.0424 -0.1472)
OKLCH	oklch(31.42% 0.153 286.1)
XYZ	xyz(5.0037, 2.6070, 18.3250)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311679 #5E7916

analogous

#162C79 #311679 #621679

triadic

#311679 #793116 #167931

tetradic

#311679 #79162C #5E7916 #167962

square

#311679 #79162C #5E7916 #167962

split-complementary

#311679 #796216 #2C7916

monochromatic

#0A051A #1C0D45 #311679 #461FAD #5E30D9

Accessibility & contrast

On white

13.80

#311679 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#311679 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311679

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311679	#FFFFFF	#000000	##FFFFFF
##311679	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7C

Deuteranopia (green-blind)

#002A77

Tritanopia (blue-blind)

#0C3347

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #311679;
/* rgb */ color: rgb(49, 22, 121);
/* oklch */ color: oklch(31.4% 0.153 286.1);

Tailwind

colors: {
  custom: {
    50: '#7357a1',
    500: '#311679',
    950: '#000000',
  },
}

SCSS

$custom: #311679;
$custom-light: #7357a1;
$custom-dark: #000000;

JSON

{
  "hex": "#311679",
  "rgb": {
    "r": 49,
    "g": 22,
    "b": 121
  },
  "hsl": {
    "h": 256.364,
    "s": 69.231,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31422,
    "c": 0.15322,
    "h": 286.1
  },
  "luminance": 0.02607
}

Semantic roles & 50–950 ramp

primary

#311679

secondary

#8FAE3D

accent

#EC3CBC

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09030F

muted

#7B787F

Preview Lab

Preview with #311679

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

Preview Lab → · Contrast checker → · Palette generator →