#310F39#310F39

#310F39 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.5% C 0.084 H 319.5°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#310F39
RGB	rgb(49, 15, 57)
HSL	hsl(289, 58%, 14%)
HSV	hsv(289, 74%, 22%)
CMYK	cmyk(14%, 73.7%, 0%, 77.6%)
CIE-LAB	lab(11.21, 24.70, -19.60)
CIE-LCH	lch(11.21, 31.54, 321.57°)
OKLab	oklab(24.52% 0.0641 -0.0548)
OKLCH	oklch(24.52% 0.084 319.5)
XYZ	xyz(2.1759, 1.2901, 4.0045)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F39 #17390F

analogous

#1C0F39 #310F39 #390F2C

triadic

#310F39 #39310F #0F3931

tetradic

#310F39 #391C0F #17390F #0F2C39

square

#310F39 #391C0F #17390F #0F2C39

split-complementary

#310F39 #2C390F #0F391C

monochromatic

#150618 #150618 #310F39 #5B1C69 #84299A

Accessibility & contrast

On white

16.69

#310F39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#310F39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F39

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F39	#FFFFFF	#000000	##FFFFFF
##310F39	1.00	16.69	1.26	16.69
#FFFFFF	16.69	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041C3A

Deuteranopia (green-blind)

#121F38

Tritanopia (blue-blind)

#311622

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310f39;
/* rgb */ color: rgb(49, 15, 57);
/* oklch */ color: oklch(24.5% 0.084 319.5);

Tailwind

colors: {
  custom: {
    50: '#6b506f',
    500: '#310f39',
    950: '#000000',
  },
}

SCSS

$custom: #310f39;
$custom-light: #6b506f;
$custom-dark: #000000;

JSON

{
  "hex": "#310f39",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 57
  },
  "hsl": {
    "h": 288.571,
    "s": 58.333,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24517,
    "c": 0.08433,
    "h": 319.5
  },
  "luminance": 0.0129
}

Semantic roles & 50–950 ramp

primary

#310F39

secondary

#3D7330

accent

#E24664

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #310F39

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

Preview Lab → · Contrast checker → · Palette generator →