#311481#311481

#311481 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 32.1% C 0.165 H 284.4°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#311481
RGB	rgb(49, 20, 129)
HSL	hsl(256, 73%, 29%)
HSV	hsv(256, 84%, 51%)
CMYK	cmyk(62%, 84.5%, 0%, 49.4%)
CIE-LAB	lab(18.96, 42.44, -55.28)
CIE-LCH	lch(18.96, 69.69, 307.51°)
OKLab	oklab(32.08% 0.0409 -0.1593)
OKLCH	oklch(32.08% 0.165 284.4)
XYZ	xyz(5.4780, 2.7379, 21.0044)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311481 #648114

analogous

#142E81 #311481 #681481

triadic

#311481 #813114 #148131

tetradic

#311481 #81142E #648114 #148168

square

#311481 #81142E #648114 #148168

split-complementary

#311481 #816814 #2E8114

monochromatic

#0A041A #1D0C4C #311481 #451CB6 #5F30DF

Accessibility & contrast

On white

13.57

#311481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#311481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311481

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311481	#FFFFFF	#000000	##FFFFFF
##311481	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003184

Deuteranopia (green-blind)

#002B7F

Tritanopia (blue-blind)

#00364C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #311481;
/* rgb */ color: rgb(49, 20, 129);
/* oklch */ color: oklch(32.1% 0.165 284.4);

Tailwind

colors: {
  custom: {
    50: '#7557a7',
    500: '#311481',
    950: '#000000',
  },
}

SCSS

$custom: #311481;
$custom-light: #7557a7;
$custom-dark: #000000;

JSON

{
  "hex": "#311481",
  "rgb": {
    "r": 49,
    "g": 20,
    "b": 129
  },
  "hsl": {
    "h": 255.963,
    "s": 73.154,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32077,
    "c": 0.16452,
    "h": 284.4
  },
  "luminance": 0.02738
}

Semantic roles & 50–950 ramp

primary

#311481

secondary

#95B63B

accent

#F038BF

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #311481

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

Preview Lab → · Contrast checker → · Palette generator →