#31177A#31177A

#31177A is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.6% C 0.153 H 285.7°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#31177A
RGB	rgb(49, 23, 122)
HSL	hsl(256, 68%, 28%)
HSV	hsv(256, 81%, 48%)
CMYK	cmyk(59.8%, 81.1%, 0%, 52.2%)
CIE-LAB	lab(18.67, 38.95, -51.30)
CIE-LCH	lch(18.67, 64.41, 307.20°)
OKLab	oklab(31.65% 0.0414 -0.1478)
OKLCH	oklch(31.65% 0.153 285.7)
XYZ	xyz(5.0848, 2.6706, 18.6561)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31177A #607A17

analogous

#172E7A #31177A #62177A

triadic

#31177A #7A3117 #177A31

tetradic

#31177A #7A172E #607A17 #177A62

square

#31177A #7A172E #607A17 #177A62

split-complementary

#31177A #7A6217 #2E7A17

monochromatic

#0A051A #1C0D47 #31177A #4621AD #5E33D9

Accessibility & contrast

On white

13.69

#31177A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#31177A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31177A

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31177A	#FFFFFF	#000000	##FFFFFF
##31177A	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307D

Deuteranopia (green-blind)

#002A78

Tritanopia (blue-blind)

#0A3448

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #31177a;
/* rgb */ color: rgb(49, 23, 122);
/* oklch */ color: oklch(31.6% 0.153 285.7);

Tailwind

colors: {
  custom: {
    50: '#7358a1',
    500: '#31177a',
    950: '#000000',
  },
}

SCSS

$custom: #31177a;
$custom-light: #7358a1;
$custom-dark: #000000;

JSON

{
  "hex": "#31177a",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 122
  },
  "hsl": {
    "h": 255.758,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31647,
    "c": 0.15347,
    "h": 285.7
  },
  "luminance": 0.02671
}

Semantic roles & 50–950 ramp

primary

#31177A

secondary

#91AF3E

accent

#EB3DBD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31177A

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

Preview Lab → · Contrast checker → · Palette generator →