#310F55#310F55

#310F55 is a dark, moderate violet. Relative luminance 0.017; OKLCH L 26.9% C 0.117 H 300.6°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#310F55
RGB	rgb(49, 15, 85)
HSL	hsl(269, 70%, 20%)
HSV	hsv(269, 82%, 33%)
CMYK	cmyk(42.4%, 82.4%, 0%, 66.7%)
CIE-LAB	lab(13.53, 32.05, -35.38)
CIE-LCH	lch(13.53, 47.74, 312.17°)
OKLab	oklab(26.91% 0.0598 -0.1011)
OKLCH	oklch(26.91% 0.117 300.6)
XYZ	xyz(3.0767, 1.6505, 8.7490)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F55 #33550F

analogous

#0F1055 #310F55 #540F55

triadic

#310F55 #55310F #0F5531

tetradic

#310F55 #550F10 #33550F #0F5554

square

#310F55 #550F10 #33550F #0F5554

split-complementary

#310F55 #55540F #10550F

monochromatic

#0F051A #130621 #310F55 #4F1889 #6D21BD

Accessibility & contrast

On white

15.79

#310F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#310F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F55

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F55	#FFFFFF	#000000	##FFFFFF
##310F55	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002257

Deuteranopia (green-blind)

#002254

Tritanopia (blue-blind)

#292131

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #310f55;
/* rgb */ color: rgb(49, 15, 85);
/* oklch */ color: oklch(26.9% 0.117 300.6);

Tailwind

colors: {
  custom: {
    50: '#6d5186',
    500: '#310f55',
    950: '#000000',
  },
}

SCSS

$custom: #310f55;
$custom-light: #6d5186;
$custom-dark: #000000;

JSON

{
  "hex": "#310f55",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 85
  },
  "hsl": {
    "h": 269.143,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.26909,
    "c": 0.11741,
    "h": 300.6
  },
  "luminance": 0.0165
}

Semantic roles & 50–950 ramp

primary

#310F55

secondary

#618F31

accent

#ED3B96

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #310F55

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

Preview Lab → · Contrast checker → · Palette generator →