#310B49#310B49

#310B49 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.3% C 0.108 H 308.2°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#310B49
RGB	rgb(49, 11, 73)
HSL	hsl(277, 74%, 16%)
HSV	hsv(277, 85%, 29%)
CMYK	cmyk(32.9%, 84.9%, 0%, 71.4%)
CIE-LAB	lab(11.78, 30.69, -29.99)
CIE-LCH	lch(11.78, 42.91, 315.66°)
OKLab	oklab(25.33% 0.0671 -0.0852)
OKLCH	oklch(25.33% 0.108 308.2)
XYZ	xyz(2.5886, 1.3734, 6.4308)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B49 #23490B

analogous

#120B49 #310B49 #490B42

triadic

#310B49 #49310B #0B4931

tetradic

#310B49 #49120B #23490B #0B4249

square

#310B49 #49120B #23490B #0B4249

split-complementary

#310B49 #42490B #0B4912

monochromatic

#12041B #12041B #310B49 #55137E #781BB3

Accessibility & contrast

On white

16.48

#310B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#310B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B49

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B49	#FFFFFF	#000000	##FFFFFF
##310B49	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4B

Deuteranopia (green-blind)

#001F48

Tritanopia (blue-blind)

#2D1A2A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310b49;
/* rgb */ color: rgb(49, 11, 73);
/* oklch */ color: oklch(25.3% 0.108 308.2);

Tailwind

colors: {
  custom: {
    50: '#6c4f7c',
    500: '#310b49',
    950: '#000000',
  },
}

SCSS

$custom: #310b49;
$custom-light: #6c4f7c;
$custom-dark: #000000;

JSON

{
  "hex": "#310b49",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 73
  },
  "hsl": {
    "h": 276.774,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.25332,
    "c": 0.10841,
    "h": 308.2
  },
  "luminance": 0.01373
}

Semantic roles & 50–950 ramp

primary

#310B49

secondary

#4E852A

accent

#F0377F

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#070209

muted

#7A787B

Preview Lab

Preview with #310B49

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

Preview Lab → · Contrast checker → · Palette generator →