#311159#311159

#311159 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.5% C 0.120 H 298.2°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#311159
RGB	rgb(49, 17, 89)
HSL	hsl(267, 68%, 21%)
HSV	hsv(267, 81%, 35%)
CMYK	cmyk(44.9%, 80.9%, 0%, 65.1%)
CIE-LAB	lab(14.26, 32.19, -36.90)
CIE-LCH	lch(14.26, 48.97, 311.09°)
OKLab	oklab(27.54% 0.0567 -0.1055)
OKLCH	oklch(27.54% 0.12 298.2)
XYZ	xyz(3.2698, 1.7751, 9.6196)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.40

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311159 #395911

analogous

#111559 #311159 #551159

triadic

#311159 #593111 #115931

tetradic

#311159 #591115 #395911 #115955

square

#311159 #591115 #395911 #115955

split-complementary

#311159 #595511 #155911

monochromatic

#0E051A #150726 #311159 #4D1B8C #6A25C0

Accessibility & contrast

On white

15.50

#311159 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#311159 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311159

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311159	#FFFFFF	#000000	##FFFFFF
##311159	1.00	15.50	1.36	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245B

Deuteranopia (green-blind)

#002358

Tritanopia (blue-blind)

#272434

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #311159;
/* rgb */ color: rgb(49, 17, 89);
/* oklch */ color: oklch(27.5% 0.120 298.2);

Tailwind

colors: {
  custom: {
    50: '#6e5389',
    500: '#311159',
    950: '#000000',
  },
}

SCSS

$custom: #311159;
$custom-light: #6e5389;
$custom-dark: #000000;

JSON

{
  "hex": "#311159",
  "rgb": {
    "r": 49,
    "g": 17,
    "b": 89
  },
  "hsl": {
    "h": 266.667,
    "s": 67.925,
    "l": 20.784
  },
  "oklch": {
    "l": 0.27536,
    "c": 0.1198,
    "h": 298.2
  },
  "luminance": 0.01775
}

Semantic roles & 50–950 ramp

primary

#311159

secondary

#689234

accent

#EB3D9E

background

#F6F4F8

surface

#ECE7F0

border

#C7C3CB

text

#07020B

muted

#7A787C

Preview Lab

Preview with #311159

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

Preview Lab → · Contrast checker → · Palette generator →