#311899#311899

#311899 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.2% C 0.189 H 279.3°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#311899
RGB	rgb(49, 24, 153)
HSL	hsl(252, 73%, 35%)
HSV	hsv(252, 84%, 60%)
CMYK	cmyk(68%, 84.3%, 0%, 40%)
CIE-LAB	lab(22.32, 47.75, -64.70)
CIE-LCH	lch(22.32, 80.42, 306.43°)
OKLab	oklab(35.2% 0.0305 -0.1868)
OKLCH	oklch(35.2% 0.189 279.3)
XYZ	xyz(7.3412, 3.6055, 30.4399)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311899 #809918

analogous

#184099 #311899 #721899

triadic

#311899 #993118 #189931

tetradic

#311899 #991840 #809918 #189972

square

#311899 #991840 #809918 #189972

split-complementary

#311899 #997218 #409918

monochromatic

#0F072F #201064 #311899 #4220CE #6749E2

Accessibility & contrast

On white

12.20

#311899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#311899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311899

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311899	#FFFFFF	#000000	##FFFFFF
##311899	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9C

Deuteranopia (green-blind)

#003097

Tritanopia (blue-blind)

#00415A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #311899;
/* rgb */ color: rgb(49, 24, 153);
/* oklch */ color: oklch(35.2% 0.189 279.3);

Tailwind

colors: {
  custom: {
    50: '#795bb8',
    500: '#311899',
    950: '#000000',
  },
}

SCSS

$custom: #311899;
$custom-light: #795bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#311899",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 153
  },
  "hsl": {
    "h": 251.628,
    "s": 72.881,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35201,
    "c": 0.1893,
    "h": 279.3
  },
  "luminance": 0.03606
}

Semantic roles & 50–950 ramp

primary

#311899

secondary

#ACC449

accent

#F038CC

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #311899

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

Preview Lab → · Contrast checker → · Palette generator →