#311F7E#311F7E

#311F7E is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.150 H 283.2°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#311F7E
RGB	rgb(49, 31, 126)
HSL	hsl(251, 61%, 31%)
HSV	hsv(251, 75%, 49%)
CMYK	cmyk(61.1%, 75.4%, 0%, 50.6%)
CIE-LAB	lab(20.59, 35.92, -50.69)
CIE-LCH	lch(20.59, 62.13, 305.32°)
OKLab	oklab(33.12% 0.0343 -0.1461)
OKLCH	oklch(33.12% 0.15 283.2)
XYZ	xyz(5.5213, 3.1389, 20.0495)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311F7E #6C7E1F

analogous

#1F3C7E #311F7E #601F7E

triadic

#311F7E #7E311F #1F7E31

tetradic

#311F7E #7E1F3C #6C7E1F #1F7E60

square

#311F7E #7E1F3C #6C7E1F #1F7E60

split-complementary

#311F7E #7E601F #3C7E1F

monochromatic

#0B071C #1E134D #311F7E #442BAF #6046D1

Accessibility & contrast

On white

12.90

#311F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#311F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311F7E

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311F7E	#FFFFFF	#000000	##FFFFFF
##311F7E	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)

#003581

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#01394C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #311f7e;
/* rgb */ color: rgb(49, 31, 126);
/* oklch */ color: oklch(33.1% 0.150 283.2);

Tailwind

colors: {
  custom: {
    50: '#735da4',
    500: '#311f7e',
    950: '#000000',
  },
}

SCSS

$custom: #311f7e;
$custom-light: #735da4;
$custom-dark: #000000;

JSON

{
  "hex": "#311f7e",
  "rgb": {
    "r": 49,
    "g": 31,
    "b": 126
  },
  "hsl": {
    "h": 251.368,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3312,
    "c": 0.15004,
    "h": 283.2
  },
  "luminance": 0.03139
}

Semantic roles & 50–950 ramp

primary

#311F7E

secondary

#9DB148

accent

#E444C5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311F7E

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

Preview Lab → · Contrast checker → · Palette generator →