#311A91#311A91

#311A91 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.5% C 0.178 H 280.4°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#311A91
RGB	rgb(49, 26, 145)
HSL	hsl(252, 70%, 34%)
HSV	hsv(252, 82%, 57%)
CMYK	cmyk(66.2%, 82.1%, 0%, 43.1%)
CIE-LAB	lab(21.71, 44.46, -60.77)
CIE-LCH	lch(21.71, 75.30, 306.19°)
OKLab	oklab(34.51% 0.0322 -0.1754)
OKLCH	oklch(34.51% 0.178 280.4)
XYZ	xyz(6.7452, 3.4356, 27.0902)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A91 #7A911A

analogous

#1A3E91 #311A91 #6C1A91

triadic

#311A91 #91311A #1A9131

tetradic

#311A91 #911A3E #7A911A #1A916C

square

#311A91 #911A3E #7A911A #1A916C

split-complementary

#311A91 #916C1A #3E911A

monochromatic

#0E0729 #1F115D #311A91 #4323C5 #6447DE

Accessibility & contrast

On white

12.45

#311A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#311A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A91

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A91	#FFFFFF	#000000	##FFFFFF
##311A91	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003894

Deuteranopia (green-blind)

#002F8F

Tritanopia (blue-blind)

#003F56

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #311a91;
/* rgb */ color: rgb(49, 26, 145);
/* oklch */ color: oklch(34.5% 0.178 280.4);

Tailwind

colors: {
  custom: {
    50: '#775bb2',
    500: '#311a91',
    950: '#000000',
  },
}

SCSS

$custom: #311a91;
$custom-light: #775bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#311a91",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 145
  },
  "hsl": {
    "h": 251.597,
    "s": 69.591,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3451,
    "c": 0.17835,
    "h": 280.4
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#311A91

secondary

#A8C047

accent

#EC3BCA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311A91

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

Preview Lab → · Contrast checker → · Palette generator →