#311575#311575

#311575 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.9% C 0.149 H 287.3°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#311575
RGB	rgb(49, 21, 117)
HSL	hsl(258, 70%, 27%)
HSV	hsv(258, 82%, 46%)
CMYK	cmyk(58.1%, 82.1%, 0%, 54.1%)
CIE-LAB	lab(17.80, 38.42, -49.54)
CIE-LCH	lch(17.80, 62.69, 307.80°)
OKLab	oklab(30.88% 0.0445 -0.1426)
OKLCH	oklch(30.88% 0.149 287.3)
XYZ	xyz(4.7447, 2.4734, 17.0536)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311575 #597515

analogous

#152975 #311575 #611575

triadic

#311575 #753115 #157531

tetradic

#311575 #751529 #597515 #157561

square

#311575 #751529 #597515 #157561

split-complementary

#311575 #756115 #297515

monochromatic

#0B051A #1B0C41 #311575 #471EA9 #5E2BD9

Accessibility & contrast

On white

14.05

#311575 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#311575 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311575

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311575	#FFFFFF	#000000	##FFFFFF
##311575	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E78

Deuteranopia (green-blind)

#002973

Tritanopia (blue-blind)

#123145

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #311575;
/* rgb */ color: rgb(49, 21, 117);
/* oklch */ color: oklch(30.9% 0.149 287.3);

Tailwind

colors: {
  custom: {
    50: '#72579e',
    500: '#311575',
    950: '#000000',
  },
}

SCSS

$custom: #311575;
$custom-light: #72579e;
$custom-dark: #000000;

JSON

{
  "hex": "#311575",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 117
  },
  "hsl": {
    "h": 257.5,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.30877,
    "c": 0.14936,
    "h": 287.3
  },
  "luminance": 0.02474
}

Semantic roles & 50–950 ramp

primary

#311575

secondary

#8AAB3B

accent

#EC3BB9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09030E

muted

#7B787E

Preview Lab

Preview with #311575

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

Preview Lab → · Contrast checker → · Palette generator →