#310D46#310D46

#310D46 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.3% C 0.102 H 309.8°. Best body text is #FFFFFF at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#310D46
RGB	rgb(49, 13, 70)
HSL	hsl(278, 69%, 16%)
HSV	hsv(278, 81%, 27%)
CMYK	cmyk(30%, 81.4%, 0%, 72.5%)
CIE-LAB	lab(11.84, 28.99, -27.79)
CIE-LCH	lch(11.84, 40.16, 316.21°)
OKLab	oklab(25.3% 0.0655 -0.0787)
OKLCH	oklch(25.3% 0.102 309.8)
XYZ	xyz(2.5158, 1.3831, 5.9276)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D46 #22460D

analogous

#150D46 #310D46 #460D3F

triadic

#310D46 #46310D #0D4631

tetradic

#310D46 #46150D #22460D #0D3F46

square

#310D46 #46150D #22460D #0D3F46

split-complementary

#310D46 #3F460D #0D4615

monochromatic

#12051A #12051A #310D46 #55177A #7920AD

Accessibility & contrast

On white

16.45

#310D46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#310D46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D46

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D46	#FFFFFF	#000000	##FFFFFF
##310D46	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)

#001E48

Deuteranopia (green-blind)

#032045

Tritanopia (blue-blind)

#2E1A28

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310d46;
/* rgb */ color: rgb(49, 13, 70);
/* oklch */ color: oklch(25.3% 0.102 309.8);

Tailwind

colors: {
  custom: {
    50: '#6c507a',
    500: '#310d46',
    950: '#000000',
  },
}

SCSS

$custom: #310d46;
$custom-light: #6c507a;
$custom-dark: #000000;

JSON

{
  "hex": "#310d46",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 70
  },
  "hsl": {
    "h": 277.895,
    "s": 68.675,
    "l": 16.275
  },
  "oklch": {
    "l": 0.25295,
    "c": 0.10243,
    "h": 309.8
  },
  "luminance": 0.01383
}

Semantic roles & 50–950 ramp

primary

#310D46

secondary

#4C812D

accent

#EC3C7D

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070209

muted

#7A787B

Preview Lab

Preview with #310D46

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

Preview Lab → · Contrast checker → · Palette generator →