#31104E#31104E

#31104E is a dark, moderate violet. Relative luminance 0.016; OKLCH L 26.4% C 0.108 H 304.1°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#31104E
RGB	rgb(49, 16, 78)
HSL	hsl(272, 66%, 18%)
HSV	hsv(272, 79%, 31%)
CMYK	cmyk(37.2%, 79.5%, 0%, 69.4%)
CIE-LAB	lab(13.07, 29.62, -31.36)
CIE-LCH	lch(13.07, 43.13, 313.36°)
OKLab	oklab(26.38% 0.0605 -0.0892)
OKLCH	oklch(26.38% 0.108 304.1)
XYZ	xyz(2.8267, 1.5736, 7.3611)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31104E #2D4E10

analogous

#12104E #31104E #4E104C

triadic

#31104E #4E3110 #104E31

tetradic

#31104E #4E1210 #2D4E10 #104C4E

square

#31104E #4E1210 #2D4E10 #104C4E

split-complementary

#31104E #4C4E10 #104E12

monochromatic

#100519 #11061B #31104E #511A81 #7125B4

Accessibility & contrast

On white

15.97

#31104E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#31104E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31104E

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31104E	#FFFFFF	#000000	##FFFFFF
##31104E	1.00	15.97	1.31	15.97
#FFFFFF	15.97	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002150

Deuteranopia (green-blind)

#00224D

Tritanopia (blue-blind)

#2B1F2E

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #31104e;
/* rgb */ color: rgb(49, 16, 78);
/* oklch */ color: oklch(26.4% 0.108 304.1);

Tailwind

colors: {
  custom: {
    50: '#6c5280',
    500: '#31104e',
    950: '#000000',
  },
}

SCSS

$custom: #31104e;
$custom-light: #6c5280;
$custom-dark: #000000;

JSON

{
  "hex": "#31104e",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 78
  },
  "hsl": {
    "h": 271.935,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.26381,
    "c": 0.10779,
    "h": 304.1
  },
  "luminance": 0.01574
}

Semantic roles & 50–950 ramp

primary

#31104E

secondary

#5A8832

accent

#E93F8E

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #31104E

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

Preview Lab → · Contrast checker → · Palette generator →