#31104F#31104F

#31104F is a dark, moderate violet. Relative luminance 0.016; OKLCH L 26.5% C 0.109 H 303.6°. Best body text is #FFFFFF at 15.94:1 contrast (WCAG AA passes).

Color values

HEX	#31104F
RGB	rgb(49, 16, 79)
HSL	hsl(271, 66%, 19%)
HSV	hsv(271, 80%, 31%)
CMYK	cmyk(38%, 79.7%, 0%, 69%)
CIE-LAB	lab(13.16, 29.89, -31.90)
CIE-LCH	lch(13.16, 43.72, 313.14°)
OKLab	oklab(26.47% 0.0602 -0.0908)
OKLCH	oklch(26.47% 0.109 303.6)
XYZ	xyz(2.8629, 1.5881, 7.5513)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31104F #2E4F10

analogous

#11104F #31104F #4F104D

triadic

#31104F #4F3110 #104F31

tetradic

#31104F #4F1110 #2E4F10 #104D4F

square

#31104F #4F1110 #2E4F10 #104D4F

split-complementary

#31104F #4D4F10 #104F11

monochromatic

#100519 #11061C #31104F #511A82 #7025B5

Accessibility & contrast

On white

15.94

#31104F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#31104F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31104F

15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31104F	#FFFFFF	#000000	##FFFFFF
##31104F	1.00	15.94	1.32	15.94
#FFFFFF	15.94	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002151

Deuteranopia (green-blind)

#00224E

Tritanopia (blue-blind)

#2B1F2E

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #31104f;
/* rgb */ color: rgb(49, 16, 79);
/* oklch */ color: oklch(26.5% 0.109 303.6);

Tailwind

colors: {
  custom: {
    50: '#6d5281',
    500: '#31104f',
    950: '#000000',
  },
}

SCSS

$custom: #31104f;
$custom-light: #6d5281;
$custom-dark: #000000;

JSON

{
  "hex": "#31104f",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 79
  },
  "hsl": {
    "h": 271.429,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.26471,
    "c": 0.109,
    "h": 303.6
  },
  "luminance": 0.01588
}

Semantic roles & 50–950 ramp

primary

#31104F

secondary

#5B8932

accent

#E93F90

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #31104F

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

Preview Lab → · Contrast checker → · Palette generator →