#310D47#310D47

#310D47 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.4% C 0.104 H 309.1°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#310D47
RGB	rgb(49, 13, 71)
HSL	hsl(277, 69%, 16%)
HSV	hsv(277, 82%, 28%)
CMYK	cmyk(31%, 81.7%, 0%, 72.2%)
CIE-LAB	lab(11.93, 29.25, -28.35)
CIE-LCH	lch(11.93, 40.74, 315.89°)
OKLab	oklab(25.38% 0.0653 -0.0804)
OKLCH	oklch(25.38% 0.104 309.1)
XYZ	xyz(2.5476, 1.3958, 6.0952)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D47 #23470D

analogous

#140D47 #310D47 #470D40

triadic

#310D47 #47310D #0D4731

tetradic

#310D47 #47140D #23470D #0D4047

square

#310D47 #47140D #23470D #0D4047

split-complementary

#310D47 #40470D #0D4714

monochromatic

#12051A #12051A #310D47 #55167B #7820AE

Accessibility & contrast

On white

16.42

#310D47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#310D47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D47

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D47	#FFFFFF	#000000	##FFFFFF
##310D47	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E49

Deuteranopia (green-blind)

#012046

Tritanopia (blue-blind)

#2E1A29

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310d47;
/* rgb */ color: rgb(49, 13, 71);
/* oklch */ color: oklch(25.4% 0.104 309.1);

Tailwind

colors: {
  custom: {
    50: '#6c507b',
    500: '#310d47',
    950: '#000000',
  },
}

SCSS

$custom: #310d47;
$custom-light: #6c507b;
$custom-dark: #000000;

JSON

{
  "hex": "#310d47",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 71
  },
  "hsl": {
    "h": 277.241,
    "s": 69.048,
    "l": 16.471
  },
  "oklch": {
    "l": 0.25383,
    "c": 0.10359,
    "h": 309.1
  },
  "luminance": 0.01396
}

Semantic roles & 50–950 ramp

primary

#310D47

secondary

#4E822D

accent

#EC3C7F

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#070209

muted

#7A787B

Preview Lab

Preview with #310D47

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

Preview Lab → · Contrast checker → · Palette generator →