#311171#311171

#311171 is a dark, vivid violet. Relative luminance 0.022; OKLCH L 30.0% C 0.148 H 289.1°. Best body text is #FFFFFF at 14.49:1 contrast (WCAG AA passes).

Color values

HEX	#311171
RGB	rgb(49, 17, 113)
HSL	hsl(260, 74%, 25%)
HSV	hsv(260, 85%, 44%)
CMYK	cmyk(56.6%, 85%, 0%, 55.7%)
CIE-LAB	lab(16.73, 39.10, -48.71)
CIE-LCH	lch(16.73, 62.46, 308.75°)
OKLab	oklab(30.01% 0.0487 -0.1401)
OKLCH	oklch(30.01% 0.148 289.1)
XYZ	xyz(4.4468, 2.2459, 15.8188)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311171 #517111

analogous

#112171 #311171 #611171

triadic

#311171 #713111 #117131

tetradic

#311171 #711121 #517111 #117161

square

#311171 #711121 #517111 #117161

split-complementary

#311171 #716111 #217111

monochromatic

#0C041B #1A093C #311171 #4819A6 #5F21DB

Accessibility & contrast

On white

14.49

#311171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#311171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311171

14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311171	#FFFFFF	#000000	##FFFFFF
##311171	1.00	14.49	1.45	14.49
#FFFFFF	14.49	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B74

Deuteranopia (green-blind)

#00276F

Tritanopia (blue-blind)

#172E42

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #311171;
/* rgb */ color: rgb(49, 17, 113);
/* oklch */ color: oklch(30.0% 0.148 289.1);

Tailwind

colors: {
  custom: {
    50: '#72549b',
    500: '#311171',
    950: '#000000',
  },
}

SCSS

$custom: #311171;
$custom-light: #72549b;
$custom-dark: #000000;

JSON

{
  "hex": "#311171",
  "rgb": {
    "r": 49,
    "g": 17,
    "b": 113
  },
  "hsl": {
    "h": 260,
    "s": 73.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.30006,
    "c": 0.14834,
    "h": 289.1
  },
  "luminance": 0.02246
}

Semantic roles & 50–950 ramp

primary

#311171

secondary

#82A836

accent

#F137B3

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09030E

muted

#7B787E

Preview Lab

Preview with #311171

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

Preview Lab → · Contrast checker → · Palette generator →