#311888#311888

#311888 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.169 H 282.3°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).

Color values

HEX	#311888
RGB	rgb(49, 24, 136)
HSL	hsl(253, 70%, 31%)
HSV	hsv(253, 82%, 53%)
CMYK	cmyk(64%, 82.4%, 0%, 46.7%)
CIE-LAB	lab(20.37, 42.69, -57.36)
CIE-LCH	lch(20.37, 71.51, 306.66°)
OKLab	oklab(33.29% 0.0362 -0.1655)
OKLCH	oklch(33.29% 0.169 282.3)
XYZ	xyz(6.0358, 3.0834, 23.5649)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311888 #6F8818

analogous

#183788 #311888 #691888

triadic

#311888 #883118 #188831

tetradic

#311888 #881837 #6F8818 #188869

square

#311888 #881837 #6F8818 #188869

split-complementary

#311888 #886918 #378818

monochromatic

#0C0620 #1E0F54 #311888 #4421BC #613EDD

Accessibility & contrast

On white

12.99

#311888 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#311888 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311888

12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311888	#FFFFFF	#000000	##FFFFFF
##311888	1.00	12.99	1.62	12.99
#FFFFFF	12.99	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358B

Deuteranopia (green-blind)

#002D86

Tritanopia (blue-blind)

#003A51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #311888;
/* rgb */ color: rgb(49, 24, 136);
/* oklch */ color: oklch(33.3% 0.169 282.3);

Tailwind

colors: {
  custom: {
    50: '#7659ac',
    500: '#311888',
    950: '#000000',
  },
}

SCSS

$custom: #311888;
$custom-light: #7659ac;
$custom-dark: #000000;

JSON

{
  "hex": "#311888",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 136
  },
  "hsl": {
    "h": 253.393,
    "s": 70,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33286,
    "c": 0.16938,
    "h": 282.3
  },
  "luminance": 0.03084
}

Semantic roles & 50–950 ramp

primary

#311888

secondary

#A0BC40

accent

#ED3BC5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #311888

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

Preview Lab → · Contrast checker → · Palette generator →