#311D95#311D95

#311D95 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.3% C 0.181 H 279.4°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#311D95
RGB	rgb(49, 29, 149)
HSL	hsl(250, 67%, 35%)
HSV	hsv(250, 81%, 58%)
CMYK	cmyk(67.1%, 80.5%, 0%, 41.6%)
CIE-LAB	lab(22.66, 44.24, -61.68)
CIE-LCH	lch(22.66, 75.91, 305.65°)
OKLab	oklab(35.3% 0.0294 -0.1781)
OKLCH	oklch(35.3% 0.181 279.4)
XYZ	xyz(7.1291, 3.7010, 28.7666)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D95 #81951D

analogous

#1D4595 #311D95 #6D1D95

triadic

#311D95 #95311D #1D9531

tetradic

#311D95 #951D45 #81951D #1D956D

square

#311D95 #951D45 #81951D #1D956D

split-complementary

#311D95 #956D1D #45951D

monochromatic

#0F092F #201362 #311D95 #4227C8 #6750DD

Accessibility & contrast

On white

12.07

#311D95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#311D95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D95

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D95	#FFFFFF	#000000	##FFFFFF
##311D95	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A98

Deuteranopia (green-blind)

#003193

Tritanopia (blue-blind)

#004159

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #311d95;
/* rgb */ color: rgb(49, 29, 149);
/* oklch */ color: oklch(35.3% 0.181 279.4);

Tailwind

colors: {
  custom: {
    50: '#785db5',
    500: '#311d95',
    950: '#000000',
  },
}

SCSS

$custom: #311d95;
$custom-light: #785db5;
$custom-dark: #000000;

JSON

{
  "hex": "#311d95",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 149
  },
  "hsl": {
    "h": 250,
    "s": 67.416,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35299,
    "c": 0.18052,
    "h": 279.4
  },
  "luminance": 0.03702
}

Semantic roles & 50–950 ramp

primary

#311D95

secondary

#ADC04E

accent

#EA3DCE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311D95

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

Preview Lab → · Contrast checker → · Palette generator →