#310B48#310B48

#310B48 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.2% C 0.107 H 308.8°. Best body text is #FFFFFF at 16.51:1 contrast (WCAG AA passes).

Color values

HEX	#310B48
RGB	rgb(49, 11, 72)
HSL	hsl(277, 73%, 16%)
HSV	hsv(277, 85%, 28%)
CMYK	cmyk(31.9%, 84.7%, 0%, 71.8%)
CIE-LAB	lab(11.69, 30.44, -29.44)
CIE-LCH	lch(11.69, 42.35, 315.96°)
OKLab	oklab(25.24% 0.0673 -0.0836)
OKLCH	oklch(25.24% 0.107 308.8)
XYZ	xyz(2.5558, 1.3602, 6.2576)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B48 #22480B

analogous

#130B48 #310B48 #480B41

triadic

#310B48 #48310B #0B4831

tetradic

#310B48 #48130B #22480B #0B4148

square

#310B48 #48130B #22480B #0B4148

split-complementary

#310B48 #41480B #0B4813

monochromatic

#12041B #12041B #310B48 #55137D #791BB2

Accessibility & contrast

On white

16.51

#310B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#310B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B48

16.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B48	#FFFFFF	#000000	##FFFFFF
##310B48	1.00	16.51	1.27	16.51
#FFFFFF	16.51	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4A

Deuteranopia (green-blind)

#001F47

Tritanopia (blue-blind)

#2D1A29

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310b48;
/* rgb */ color: rgb(49, 11, 72);
/* oklch */ color: oklch(25.2% 0.107 308.8);

Tailwind

colors: {
  custom: {
    50: '#6c4f7b',
    500: '#310b48',
    950: '#000000',
  },
}

SCSS

$custom: #310b48;
$custom-light: #6c4f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#310b48",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 72
  },
  "hsl": {
    "h": 277.377,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.25241,
    "c": 0.10729,
    "h": 308.8
  },
  "luminance": 0.0136
}

Semantic roles & 50–950 ramp

primary

#310B48

secondary

#4C842A

accent

#F0387D

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#070209

muted

#7A787B

Preview Lab

Preview with #310B48

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

Preview Lab → · Contrast checker → · Palette generator →