#31103F#31103F

#31103F is a dark, moderate purple. Relative luminance 0.014; OKLCH L 25.1% C 0.090 H 314.2°. Best body text is #FFFFFF at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#31103F
RGB	rgb(49, 16, 63)
HSL	hsl(282, 59%, 15%)
HSV	hsv(282, 75%, 25%)
CMYK	cmyk(22.2%, 74.6%, 0%, 75.3%)
CIE-LAB	lab(11.84, 25.64, -22.87)
CIE-LCH	lch(11.84, 34.36, 318.27°)
OKLab	oklab(25.12% 0.0626 -0.0643)
OKLCH	oklch(25.12% 0.09 314.2)
XYZ	xyz(2.3490, 1.3825, 4.8448)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31103F #1E3F10

analogous

#19103F #31103F #3F1035

triadic

#31103F #3F3110 #103F31

tetradic

#31103F #3F1910 #1E3F10 #10353F

square

#31103F #3F1910 #1E3F10 #10353F

split-complementary

#31103F #353F10 #103F19

monochromatic

#130618 #130618 #31103F #571C70 #7D29A1

Accessibility & contrast

On white

16.45

#31103F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#31103F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31103F

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31103F	#FFFFFF	#000000	##FFFFFF
##31103F	1.00	16.45	1.28	16.45
#FFFFFF	16.45	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D40

Deuteranopia (green-blind)

#0E203E

Tritanopia (blue-blind)

#301925

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #31103f;
/* rgb */ color: rgb(49, 16, 63);
/* oklch */ color: oklch(25.1% 0.090 314.2);

Tailwind

colors: {
  custom: {
    50: '#6b5174',
    500: '#31103f',
    950: '#000000',
  },
}

SCSS

$custom: #31103f;
$custom-light: #6b5174;
$custom-dark: #000000;

JSON

{
  "hex": "#31103f",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 63
  },
  "hsl": {
    "h": 282.128,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25115,
    "c": 0.08972,
    "h": 314.2
  },
  "luminance": 0.01382
}

Semantic roles & 50–950 ramp

primary

#31103F

secondary

#477932

accent

#E34574

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #31103F

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

Preview Lab → · Contrast checker → · Palette generator →