#311756#311756

#311756 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 28.1% C 0.108 H 298.0°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#311756
RGB	rgb(49, 23, 86)
HSL	hsl(265, 58%, 21%)
HSV	hsv(265, 73%, 34%)
CMYK	cmyk(43%, 73.3%, 0%, 66.3%)
CIE-LAB	lab(15.16, 28.03, -33.42)
CIE-LCH	lch(15.16, 43.62, 309.99°)
OKLab	oklab(28.09% 0.0507 -0.0953)
OKLCH	oklch(28.09% 0.108 298)
XYZ	xyz(3.2523, 1.9376, 9.0049)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311756 #3C5617

analogous

#171D56 #311756 #511756

triadic

#311756 #563117 #175631

tetradic

#311756 #56171D #3C5617 #175651

square

#311756 #56171D #3C5617 #175651

split-complementary

#311756 #565117 #1D5617

monochromatic

#0E0618 #150A26 #311756 #4D2486 #6831B7

Accessibility & contrast

On white

15.13

#311756 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#311756 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311756

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311756	#FFFFFF	#000000	##FFFFFF
##311756	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002658

Deuteranopia (green-blind)

#002555

Tritanopia (blue-blind)

#282634

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #311756;
/* rgb */ color: rgb(49, 23, 86);
/* oklch */ color: oklch(28.1% 0.108 298.0);

Tailwind

colors: {
  custom: {
    50: '#6d5686',
    500: '#311756',
    950: '#000000',
  },
}

SCSS

$custom: #311756;
$custom-light: #6d5686;
$custom-dark: #000000;

JSON

{
  "hex": "#311756",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 86
  },
  "hsl": {
    "h": 264.762,
    "s": 57.798,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28088,
    "c": 0.10797,
    "h": 298
  },
  "luminance": 0.01938
}

Semantic roles & 50–950 ramp

primary

#311756

secondary

#6B8D3C

accent

#E147A1

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #311756

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

Preview Lab → · Contrast checker → · Palette generator →