#311873#311873

#311873 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 31.0% C 0.144 H 287.3°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#311873
RGB	rgb(49, 24, 115)
HSL	hsl(256, 65%, 27%)
HSV	hsv(256, 79%, 45%)
CMYK	cmyk(57.4%, 79.1%, 0%, 54.9%)
CIE-LAB	lab(18.12, 36.30, -47.72)
CIE-LCH	lch(18.12, 59.96, 307.26°)
OKLab	oklab(31.04% 0.0428 -0.1373)
OKLCH	oklch(31.04% 0.144 287.3)
XYZ	xyz(4.6868, 2.5438, 16.4604)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311873 #5A7318

analogous

#182C73 #311873 #5F1873

triadic

#311873 #733118 #187331

tetradic

#311873 #73182C #5A7318 #18735F

square

#311873 #73182C #5A7318 #18735F

split-complementary

#311873 #735F18 #2C7318

monochromatic

#0B0519 #1B0D40 #311873 #4723A6 #5E31D4

Accessibility & contrast

On white

13.92

#311873 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#311873 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311873

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311873	#FFFFFF	#000000	##FFFFFF
##311873	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E76

Deuteranopia (green-blind)

#002A71

Tritanopia (blue-blind)

#143244

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #311873;
/* rgb */ color: rgb(49, 24, 115);
/* oklch */ color: oklch(31.0% 0.144 287.3);

Tailwind

colors: {
  custom: {
    50: '#72589c',
    500: '#311873',
    950: '#000000',
  },
}

SCSS

$custom: #311873;
$custom-light: #72589c;
$custom-dark: #000000;

JSON

{
  "hex": "#311873",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 115
  },
  "hsl": {
    "h": 256.484,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31035,
    "c": 0.14384,
    "h": 287.3
  },
  "luminance": 0.02544
}

Semantic roles & 50–950 ramp

primary

#311873

secondary

#8BA83F

accent

#E83FBA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030E

muted

#7B787E

Preview Lab

Preview with #311873

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

Preview Lab → · Contrast checker → · Palette generator →