#310F56#310F56

#310F56 is a dark, moderate violet. Relative luminance 0.017; OKLCH L 27.0% C 0.119 H 300.1°. Best body text is #FFFFFF at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#310F56
RGB	rgb(49, 15, 86)
HSL	hsl(269, 70%, 20%)
HSV	hsv(269, 83%, 34%)
CMYK	cmyk(43%, 82.6%, 0%, 66.3%)
CIE-LAB	lab(13.63, 32.32, -35.91)
CIE-LCH	lch(13.63, 48.31, 312.00°)
OKLab	oklab(27.01% 0.0595 -0.1026)
OKLCH	oklch(27.01% 0.119 300.1)
XYZ	xyz(3.1167, 1.6665, 8.9597)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F56 #34560F

analogous

#0F1156 #310F56 #540F56

triadic

#310F56 #56310F #0F5631

tetradic

#310F56 #560F11 #34560F #0F5654

square

#310F56 #560F11 #34560F #0F5654

split-complementary

#310F56 #56540F #11560F

monochromatic

#0F051A #130622 #310F56 #4F188A #6C21BE

Accessibility & contrast

On white

15.75

#310F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#310F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F56

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F56	#FFFFFF	#000000	##FFFFFF
##310F56	1.00	15.75	1.33	15.75
#FFFFFF	15.75	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002358

Deuteranopia (green-blind)

#002255

Tritanopia (blue-blind)

#282232

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #310f56;
/* rgb */ color: rgb(49, 15, 86);
/* oklch */ color: oklch(27.0% 0.119 300.1);

Tailwind

colors: {
  custom: {
    50: '#6e5186',
    500: '#310f56',
    950: '#000000',
  },
}

SCSS

$custom: #310f56;
$custom-light: #6e5186;
$custom-dark: #000000;

JSON

{
  "hex": "#310f56",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 86
  },
  "hsl": {
    "h": 268.732,
    "s": 70.297,
    "l": 19.804
  },
  "oklch": {
    "l": 0.27005,
    "c": 0.1186,
    "h": 300.1
  },
  "luminance": 0.01667
}

Semantic roles & 50–950 ramp

primary

#310F56

secondary

#629031

accent

#ED3B98

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #310F56

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

Preview Lab → · Contrast checker → · Palette generator →