#310F4C#310F4C

#310F4C is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.1% C 0.107 H 305.5°. Best body text is #FFFFFF at 16.11:1 contrast (WCAG AA passes).

Color values

HEX	#310F4C
RGB	rgb(49, 15, 76)
HSL	hsl(273, 67%, 18%)
HSV	hsv(273, 80%, 30%)
CMYK	cmyk(35.5%, 80.3%, 0%, 70.2%)
CIE-LAB	lab(12.71, 29.58, -30.56)
CIE-LCH	lch(12.71, 42.53, 314.07°)
OKLab	oklab(26.07% 0.062 -0.0869)
OKLCH	oklch(26.07% 0.107 305.5)
XYZ	xyz(2.7417, 1.5164, 6.9843)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F4C #2A4C0F

analogous

#130F4C #310F4C #4C0F48

triadic

#310F4C #4C310F #0F4C31

tetradic

#310F4C #4C130F #2A4C0F #0F484C

square

#310F4C #4C130F #2A4C0F #0F484C

split-complementary

#310F4C #484C0F #0F4C13

monochromatic

#10051A #10051A #310F4C #52197F #7323B2

Accessibility & contrast

On white

16.11

#310F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#310F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F4C

16.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F4C	#FFFFFF	#000000	##FFFFFF
##310F4C	1.00	16.11	1.30	16.11
#FFFFFF	16.11	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204E

Deuteranopia (green-blind)

#00214B

Tritanopia (blue-blind)

#2C1E2C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #310f4c;
/* rgb */ color: rgb(49, 15, 76);
/* oklch */ color: oklch(26.1% 0.107 305.5);

Tailwind

colors: {
  custom: {
    50: '#6c517f',
    500: '#310f4c',
    950: '#000000',
  },
}

SCSS

$custom: #310f4c;
$custom-light: #6c517f;
$custom-dark: #000000;

JSON

{
  "hex": "#310f4c",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 76
  },
  "hsl": {
    "h": 273.443,
    "s": 67.033,
    "l": 17.843
  },
  "oklch": {
    "l": 0.26073,
    "c": 0.10675,
    "h": 305.5
  },
  "luminance": 0.01516
}

Semantic roles & 50–950 ramp

primary

#310F4C

secondary

#568631

accent

#EA3E8A

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310F4C

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

Preview Lab → · Contrast checker → · Palette generator →