#311778#311778

#311778 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.4% C 0.151 H 286.2°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#311778
RGB	rgb(49, 23, 120)
HSL	hsl(256, 68%, 28%)
HSV	hsv(256, 81%, 47%)
CMYK	cmyk(59.2%, 80.8%, 0%, 52.9%)
CIE-LAB	lab(18.46, 38.34, -50.37)
CIE-LCH	lch(18.46, 63.31, 307.28°)
OKLab	oklab(31.43% 0.042 -0.1451)
OKLCH	oklch(31.43% 0.151 286.2)
XYZ	xyz(4.9622, 2.6215, 18.0102)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311778 #5E7817

analogous

#172E78 #311778 #611778

triadic

#311778 #783117 #177831

tetradic

#311778 #78172E #5E7817 #177861

square

#311778 #78172E #5E7817 #177861

split-complementary

#311778 #786117 #2E7817

monochromatic

#0A051A #1C0D45 #311778 #4621AB #5E32D8

Accessibility & contrast

On white

13.78

#311778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#311778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311778

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311778	#FFFFFF	#000000	##FFFFFF
##311778	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7B

Deuteranopia (green-blind)

#002A76

Tritanopia (blue-blind)

#0E3347

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #311778;
/* rgb */ color: rgb(49, 23, 120);
/* oklch */ color: oklch(31.4% 0.151 286.2);

Tailwind

colors: {
  custom: {
    50: '#7358a0',
    500: '#311778',
    950: '#000000',
  },
}

SCSS

$custom: #311778;
$custom-light: #7358a0;
$custom-dark: #000000;

JSON

{
  "hex": "#311778",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 120
  },
  "hsl": {
    "h": 256.082,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31434,
    "c": 0.15103,
    "h": 286.2
  },
  "luminance": 0.02622
}

Semantic roles & 50–950 ramp

primary

#311778

secondary

#8FAD3E

accent

#EB3DBC

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09030F

muted

#7B787F

Preview Lab

Preview with #311778

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

Preview Lab → · Contrast checker → · Palette generator →