#311E84#311E84

#311E84 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.159 H 282.2°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#311E84
RGB	rgb(49, 30, 132)
HSL	hsl(251, 63%, 32%)
HSV	hsv(251, 77%, 52%)
CMYK	cmyk(62.9%, 77.3%, 0%, 48.2%)
CIE-LAB	lab(21.01, 38.40, -53.80)
CIE-LCH	lch(21.01, 66.10, 305.51°)
OKLab	oklab(33.6% 0.0335 -0.1551)
OKLCH	oklch(33.6% 0.159 282.2)
XYZ	xyz(5.8945, 3.2470, 22.1414)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E84 #71841E

analogous

#1E3E84 #311E84 #641E84

triadic

#311E84 #84311E #1E8431

tetradic

#311E84 #841E3E #71841E #1E8464

square

#311E84 #841E3E #71841E #1E8464

split-complementary

#311E84 #84641E #3E841E

monochromatic

#0C0720 #1E1352 #311E84 #4429B6 #6247D5

Accessibility & contrast

On white

12.73

#311E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#311E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E84

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E84	#FFFFFF	#000000	##FFFFFF
##311E84	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003687

Deuteranopia (green-blind)

#002F82

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #311e84;
/* rgb */ color: rgb(49, 30, 132);
/* oklch */ color: oklch(33.6% 0.159 282.2);

Tailwind

colors: {
  custom: {
    50: '#745ca9',
    500: '#311e84',
    950: '#000000',
  },
}

SCSS

$custom: #311e84;
$custom-light: #745ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#311e84",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 132
  },
  "hsl": {
    "h": 251.176,
    "s": 62.963,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33599,
    "c": 0.15873,
    "h": 282.2
  },
  "luminance": 0.03247
}

Semantic roles & 50–950 ramp

primary

#311E84

secondary

#A2B747

accent

#E642C7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311E84

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

Preview Lab → · Contrast checker → · Palette generator →