#311577#311577

#311577 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 31.1% C 0.152 H 286.8°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#311577
RGB	rgb(49, 21, 119)
HSL	hsl(257, 70%, 27%)
HSV	hsv(257, 82%, 47%)
CMYK	cmyk(58.8%, 82.4%, 0%, 53.3%)
CIE-LAB	lab(18.01, 39.02, -50.47)
CIE-LCH	lch(18.01, 63.79, 307.71°)
OKLab	oklab(31.09% 0.0438 -0.1453)
OKLCH	oklch(31.09% 0.152 286.8)
XYZ	xyz(4.8636, 2.5209, 17.6795)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311577 #5B7715

analogous

#152A77 #311577 #621577

triadic

#311577 #773115 #157731

tetradic

#311577 #77152A #5B7715 #157762

square

#311577 #77152A #5B7715 #157762

split-complementary

#311577 #776215 #2A7715

monochromatic

#0B051A #1C0C43 #311577 #461EAB #5E2DDA

Accessibility & contrast

On white

13.96

#311577 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#311577 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311577

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311577	#FFFFFF	#000000	##FFFFFF
##311577	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7A

Deuteranopia (green-blind)

#002975

Tritanopia (blue-blind)

#103246

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #311577;
/* rgb */ color: rgb(49, 21, 119);
/* oklch */ color: oklch(31.1% 0.152 286.8);

Tailwind

colors: {
  custom: {
    50: '#73579f',
    500: '#311577',
    950: '#000000',
  },
}

SCSS

$custom: #311577;
$custom-light: #73579f;
$custom-dark: #000000;

JSON

{
  "hex": "#311577",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 119
  },
  "hsl": {
    "h": 257.143,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31091,
    "c": 0.15176,
    "h": 286.8
  },
  "luminance": 0.02521
}

Semantic roles & 50–950 ramp

primary

#311577

secondary

#8CAD3B

accent

#ED3BBA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09030F

muted

#7B787E

Preview Lab

Preview with #311577

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

Preview Lab → · Contrast checker → · Palette generator →