#310C48#310C48

#310C48 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.4% C 0.106 H 308.7°. Best body text is #FFFFFF at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#310C48
RGB	rgb(49, 12, 72)
HSL	hsl(277, 71%, 16%)
HSV	hsv(277, 83%, 28%)
CMYK	cmyk(31.9%, 83.3%, 0%, 71.8%)
CIE-LAB	lab(11.85, 29.99, -29.18)
CIE-LCH	lch(11.85, 41.84, 315.78°)
OKLab	oklab(25.35% 0.0662 -0.0828)
OKLCH	oklch(25.35% 0.106 308.7)
XYZ	xyz(2.5676, 1.3838, 6.2615)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C48 #23480C

analogous

#130C48 #310C48 #480C41

triadic

#310C48 #48310C #0C4831

tetradic

#310C48 #48130C #23480C #0C4148

square

#310C48 #48130C #23480C #0C4148

split-complementary

#310C48 #41480C #0C4813

monochromatic

#12041A #12041A #310C48 #55157C #781DB1

Accessibility & contrast

On white

16.45

#310C48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#310C48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C48

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C48	#FFFFFF	#000000	##FFFFFF
##310C48	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)

#001E4A

Deuteranopia (green-blind)

#002047

Tritanopia (blue-blind)

#2D1A29

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310c48;
/* rgb */ color: rgb(49, 12, 72);
/* oklch */ color: oklch(25.4% 0.106 308.7);

Tailwind

colors: {
  custom: {
    50: '#6c4f7b',
    500: '#310c48',
    950: '#000000',
  },
}

SCSS

$custom: #310c48;
$custom-light: #6c4f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#310c48",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 72
  },
  "hsl": {
    "h": 277,
    "s": 71.429,
    "l": 16.471
  },
  "oklch": {
    "l": 0.25353,
    "c": 0.10604,
    "h": 308.7
  },
  "luminance": 0.01384
}

Semantic roles & 50–950 ramp

primary

#310C48

secondary

#4E842C

accent

#EE3A7F

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#070209

muted

#7A787B

Preview Lab

Preview with #310C48

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

Preview Lab → · Contrast checker → · Palette generator →