#311973#311973

#311973 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.2% C 0.143 H 287.1°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#311973
RGB	rgb(49, 25, 115)
HSL	hsl(256, 64%, 27%)
HSV	hsv(256, 78%, 45%)
CMYK	cmyk(57.4%, 78.3%, 0%, 54.9%)
CIE-LAB	lab(18.30, 35.77, -47.42)
CIE-LCH	lch(18.30, 59.39, 307.03°)
OKLab	oklab(31.17% 0.042 -0.1364)
OKLCH	oklch(31.17% 0.143 287.1)
XYZ	xyz(4.7078, 2.5858, 16.4674)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311973 #5B7319

analogous

#192E73 #311973 #5E1973

triadic

#311973 #733119 #197331

tetradic

#311973 #73192E #5B7319 #19735E

square

#311973 #73192E #5B7319 #19735E

split-complementary

#311973 #735E19 #2E7319

monochromatic

#0B0519 #1C0E41 #311973 #4624A5 #5E34D3

Accessibility & contrast

On white

13.84

#311973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#311973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311973

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311973	#FFFFFF	#000000	##FFFFFF
##311973	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F76

Deuteranopia (green-blind)

#002A71

Tritanopia (blue-blind)

#143245

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #311973;
/* rgb */ color: rgb(49, 25, 115);
/* oklch */ color: oklch(31.2% 0.143 287.1);

Tailwind

colors: {
  custom: {
    50: '#72599c',
    500: '#311973',
    950: '#000000',
  },
}

SCSS

$custom: #311973;
$custom-light: #72599c;
$custom-dark: #000000;

JSON

{
  "hex": "#311973",
  "rgb": {
    "r": 49,
    "g": 25,
    "b": 115
  },
  "hsl": {
    "h": 256,
    "s": 64.286,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31166,
    "c": 0.14275,
    "h": 287.1
  },
  "luminance": 0.02586
}

Semantic roles & 50–950 ramp

primary

#311973

secondary

#8CA840

accent

#E741BB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030E

muted

#7B787E

Preview Lab

Preview with #311973

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

Preview Lab → · Contrast checker → · Palette generator →