#310F53#310F53

#310F53 is a dark, moderate violet. Relative luminance 0.016; OKLCH L 26.7% C 0.115 H 301.6°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#310F53
RGB	rgb(49, 15, 83)
HSL	hsl(270, 69%, 19%)
HSV	hsv(270, 82%, 33%)
CMYK	cmyk(41%, 81.9%, 0%, 67.5%)
CIE-LAB	lab(13.35, 31.50, -34.33)
CIE-LCH	lch(13.35, 46.59, 312.54°)
OKLab	oklab(26.72% 0.0603 -0.098)
OKLCH	oklch(26.72% 0.115 301.6)
XYZ	xyz(2.9984, 1.6191, 8.3365)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.52

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F53 #31530F

analogous

#0F0F53 #310F53 #530F53

triadic

#310F53 #53310F #0F5331

tetradic

#310F53 #530F0F #31530F #0F5353

square

#310F53 #530F0F #31530F #0F5353

split-complementary

#310F53 #53530F #0F530F

monochromatic

#0F051A #12061F #310F53 #501887 #6E22BB

Accessibility & contrast

On white

15.86

#310F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#310F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F53

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F53	#FFFFFF	#000000	##FFFFFF
##310F53	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002255

Deuteranopia (green-blind)

#002252

Tritanopia (blue-blind)

#2A2030

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #310f53;
/* rgb */ color: rgb(49, 15, 83);
/* oklch */ color: oklch(26.7% 0.115 301.6);

Tailwind

colors: {
  custom: {
    50: '#6d5184',
    500: '#310f53',
    950: '#000000',
  },
}

SCSS

$custom: #310f53;
$custom-light: #6d5184;
$custom-dark: #000000;

JSON

{
  "hex": "#310f53",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 83
  },
  "hsl": {
    "h": 270,
    "s": 69.388,
    "l": 19.216
  },
  "oklch": {
    "l": 0.26719,
    "c": 0.11506,
    "h": 301.6
  },
  "luminance": 0.01619
}

Semantic roles & 50–950 ramp

primary

#310F53

secondary

#5F8D31

accent

#EC3C94

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #310F53

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

Preview Lab → · Contrast checker → · Palette generator →