#310F5F#310F5F

#310F5F is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.9% C 0.129 H 296.0°. Best body text is #FFFFFF at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#310F5F
RGB	rgb(49, 15, 95)
HSL	hsl(266, 73%, 22%)
HSV	hsv(266, 84%, 37%)
CMYK	cmyk(48.4%, 84.2%, 0%, 62.7%)
CIE-LAB	lab(14.52, 34.85, -40.51)
CIE-LCH	lch(14.52, 53.43, 310.70°)
OKLab	oklab(27.9% 0.0566 -0.1161)
OKLCH	oklch(27.9% 0.129 296)
XYZ	xyz(3.5025, 1.8208, 10.9912)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.31

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F5F #3D5F0F

analogous

#0F155F #310F5F #590F5F

triadic

#310F5F #5F310F #0F5F31

tetradic

#310F5F #5F0F15 #3D5F0F #0F5F59

square

#310F5F #5F0F15 #3D5F0F #0F5F59

split-complementary

#310F5F #5F590F #155F0F

monochromatic

#0E041A #16072A #310F5F #4C1794 #6820C9

Accessibility & contrast

On white

15.39

#310F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#310F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F5F

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F5F	#FFFFFF	#000000	##FFFFFF
##310F5F	1.00	15.39	1.36	15.39
#FFFFFF	15.39	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002561

Deuteranopia (green-blind)

#00245E

Tritanopia (blue-blind)

#242537

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #310f5f;
/* rgb */ color: rgb(49, 15, 95);
/* oklch */ color: oklch(27.9% 0.129 296.0);

Tailwind

colors: {
  custom: {
    50: '#6f528d',
    500: '#310f5f',
    950: '#000000',
  },
}

SCSS

$custom: #310f5f;
$custom-light: #6f528d;
$custom-dark: #000000;

JSON

{
  "hex": "#310f5f",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 95
  },
  "hsl": {
    "h": 265.5,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.27898,
    "c": 0.12918,
    "h": 296
  },
  "luminance": 0.01821
}

Semantic roles & 50–950 ramp

primary

#310F5F

secondary

#6D9832

accent

#EF38A2

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #310F5F

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

Preview Lab → · Contrast checker → · Palette generator →