#311E80#311E80

#311E80 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.2% C 0.154 H 283.0°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#311E80
RGB	rgb(49, 30, 128)
HSL	hsl(252, 62%, 31%)
HSV	hsv(252, 77%, 50%)
CMYK	cmyk(61.7%, 76.6%, 0%, 49.8%)
CIE-LAB	lab(20.59, 37.13, -51.96)
CIE-LCH	lch(20.59, 63.86, 305.55°)
OKLab	oklab(33.18% 0.0346 -0.1497)
OKLCH	oklch(33.18% 0.154 283)
XYZ	xyz(5.6260, 3.1396, 20.7274)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E80 #6D801E

analogous

#1E3C80 #311E80 #621E80

triadic

#311E80 #80311E #1E8031

tetradic

#311E80 #801E3C #6D801E #1E8062

square

#311E80 #801E3C #6D801E #1E8062

split-complementary

#311E80 #80621E #3C801E

monochromatic

#0B071D #1E124E #311E80 #442AB2 #6145D3

Accessibility & contrast

On white

12.90

#311E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#311E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E80

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E80	#FFFFFF	#000000	##FFFFFF
##311E80	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003583

Deuteranopia (green-blind)

#002E7E

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #311e80;
/* rgb */ color: rgb(49, 30, 128);
/* oklch */ color: oklch(33.2% 0.154 283.0);

Tailwind

colors: {
  custom: {
    50: '#745ca6',
    500: '#311e80',
    950: '#000000',
  },
}

SCSS

$custom: #311e80;
$custom-light: #745ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#311e80",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 128
  },
  "hsl": {
    "h": 251.633,
    "s": 62.025,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33184,
    "c": 0.15369,
    "h": 283
  },
  "luminance": 0.0314
}

Semantic roles & 50–950 ramp

primary

#311E80

secondary

#9EB347

accent

#E543C6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311E80

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

Preview Lab → · Contrast checker → · Palette generator →