#311878#311878

#311878 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.6% C 0.150 H 286.0°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#311878
RGB	rgb(49, 24, 120)
HSL	hsl(256, 67%, 28%)
HSV	hsv(256, 80%, 47%)
CMYK	cmyk(59.2%, 80%, 0%, 52.9%)
CIE-LAB	lab(18.64, 37.83, -50.08)
CIE-LCH	lch(18.64, 62.77, 307.07°)
OKLab	oklab(31.56% 0.0413 -0.1442)
OKLCH	oklch(31.56% 0.15 286)
XYZ	xyz(4.9824, 2.6620, 18.0169)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311878 #5F7818

analogous

#182F78 #311878 #611878

triadic

#311878 #783118 #187831

tetradic

#311878 #78182F #5F7818 #187861

square

#311878 #78182F #5F7818 #187861

split-complementary

#311878 #786118 #2F7818

monochromatic

#0A051A #1C0E45 #311878 #4622AB #5E34D6

Accessibility & contrast

On white

13.70

#311878 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#311878 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311878

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311878	#FFFFFF	#000000	##FFFFFF
##311878	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307B

Deuteranopia (green-blind)

#002A76

Tritanopia (blue-blind)

#0E3447

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #311878;
/* rgb */ color: rgb(49, 24, 120);
/* oklch */ color: oklch(31.6% 0.150 286.0);

Tailwind

colors: {
  custom: {
    50: '#7358a0',
    500: '#311878',
    950: '#000000',
  },
}

SCSS

$custom: #311878;
$custom-light: #7358a0;
$custom-dark: #000000;

JSON

{
  "hex": "#311878",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 120
  },
  "hsl": {
    "h": 255.625,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31557,
    "c": 0.15002,
    "h": 286
  },
  "luminance": 0.02662
}

Semantic roles & 50–950 ramp

primary

#311878

secondary

#90AD3F

accent

#EA3EBD

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09030F

muted

#7B787F

Preview Lab

Preview with #311878

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

Preview Lab → · Contrast checker → · Palette generator →