#311979#311979

#311979 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.8% C 0.150 H 285.5°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#311979
RGB	rgb(49, 25, 121)
HSL	hsl(255, 66%, 29%)
HSV	hsv(255, 79%, 47%)
CMYK	cmyk(59.5%, 79.3%, 0%, 52.5%)
CIE-LAB	lab(18.92, 37.62, -50.25)
CIE-LCH	lch(18.92, 62.78, 306.82°)
OKLab	oklab(31.79% 0.0403 -0.1447)
OKLCH	oklch(31.79% 0.15 285.5)
XYZ	xyz(5.0644, 2.7284, 18.3452)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311979 #617919

analogous

#193179 #311979 #611979

triadic

#311979 #793119 #197931

tetradic

#311979 #791931 #617919 #197961

square

#311979 #791931 #617919 #197961

split-complementary

#311979 #796119 #317919

monochromatic

#0A0519 #1C0F46 #311979 #4623AC #5E37D6

Accessibility & contrast

On white

13.59

#311979 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#311979 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311979

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311979	#FFFFFF	#000000	##FFFFFF
##311979	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307C

Deuteranopia (green-blind)

#002B77

Tritanopia (blue-blind)

#0C3448

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #311979;
/* rgb */ color: rgb(49, 25, 121);
/* oklch */ color: oklch(31.8% 0.150 285.5);

Tailwind

colors: {
  custom: {
    50: '#7359a1',
    500: '#311979',
    950: '#000000',
  },
}

SCSS

$custom: #311979;
$custom-light: #7359a1;
$custom-dark: #000000;

JSON

{
  "hex": "#311979",
  "rgb": {
    "r": 49,
    "g": 25,
    "b": 121
  },
  "hsl": {
    "h": 255,
    "s": 65.753,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31789,
    "c": 0.15023,
    "h": 285.5
  },
  "luminance": 0.02729
}

Semantic roles & 50–950 ramp

primary

#311979

secondary

#92AE40

accent

#E93FBE

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311979

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

Preview Lab → · Contrast checker → · Palette generator →