#311978#311978

#311978 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.7% C 0.149 H 285.8°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#311978
RGB	rgb(49, 25, 120)
HSL	hsl(255, 66%, 28%)
HSV	hsv(255, 79%, 47%)
CMYK	cmyk(59.2%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(18.82, 37.32, -49.78)
CIE-LCH	lch(18.82, 62.22, 306.85°)
OKLab	oklab(31.68% 0.0406 -0.1434)
OKLCH	oklch(31.68% 0.149 285.8)
XYZ	xyz(5.0034, 2.7040, 18.0239)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311978 #607819

analogous

#193078 #311978 #601978

triadic

#311978 #783119 #197831

tetradic

#311978 #781930 #607819 #197860

square

#311978 #781930 #607819 #197860

split-complementary

#311978 #786019 #307819

monochromatic

#0A0519 #1C0E45 #311978 #4624AB #5E36D5

Accessibility & contrast

On white

13.63

#311978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#311978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311978

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311978	#FFFFFF	#000000	##FFFFFF
##311978	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307B

Deuteranopia (green-blind)

#002B76

Tritanopia (blue-blind)

#0E3448

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #311978;
/* rgb */ color: rgb(49, 25, 120);
/* oklch */ color: oklch(31.7% 0.149 285.8);

Tailwind

colors: {
  custom: {
    50: '#7259a0',
    500: '#311978',
    950: '#000000',
  },
}

SCSS

$custom: #311978;
$custom-light: #7259a0;
$custom-dark: #000000;

JSON

{
  "hex": "#311978",
  "rgb": {
    "r": 49,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 255.158,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31684,
    "c": 0.14899,
    "h": 285.8
  },
  "luminance": 0.02704
}

Semantic roles & 50–950 ramp

primary

#311978

secondary

#91AD40

accent

#E83FBE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #311978

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

Preview Lab → · Contrast checker → · Palette generator →