#311678#311678

#311678 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.3% C 0.152 H 286.3°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#311678
RGB	rgb(49, 22, 120)
HSL	hsl(257, 69%, 28%)
HSV	hsv(257, 82%, 47%)
CMYK	cmyk(59.2%, 81.7%, 0%, 52.9%)
CIE-LAB	lab(18.29, 38.84, -50.66)
CIE-LCH	lch(18.29, 63.83, 307.48°)
OKLab	oklab(31.31% 0.0428 -0.1459)
OKLCH	oklch(31.31% 0.152 286.3)
XYZ	xyz(4.9427, 2.5826, 18.0037)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311678 #5D7816

analogous

#162C78 #311678 #621678

triadic

#311678 #783116 #167831

tetradic

#311678 #78162C #5D7816 #167862

square

#311678 #78162C #5D7816 #167862

split-complementary

#311678 #786216 #2C7816

monochromatic

#0B051A #1C0D44 #311678 #461FAC #5E2FD9

Accessibility & contrast

On white

13.85

#311678 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#311678 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311678

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311678	#FFFFFF	#000000	##FFFFFF
##311678	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	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: #311678;
/* rgb */ color: rgb(49, 22, 120);
/* oklch */ color: oklch(31.3% 0.152 286.3);

Tailwind

colors: {
  custom: {
    50: '#7357a0',
    500: '#311678',
    950: '#000000',
  },
}

SCSS

$custom: #311678;
$custom-light: #7357a0;
$custom-dark: #000000;

JSON

{
  "hex": "#311678",
  "rgb": {
    "r": 49,
    "g": 22,
    "b": 120
  },
  "hsl": {
    "h": 256.531,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31314,
    "c": 0.15202,
    "h": 286.3
  },
  "luminance": 0.02583
}

Semantic roles & 50–950 ramp

primary

#311678

secondary

#8EAD3C

accent

#EC3CBB

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09030F

muted

#7B787F

Preview Lab

Preview with #311678

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

Preview Lab → · Contrast checker → · Palette generator →