#310F16#310F16

#310F16 is a very dark, muted red. Relative luminance 0.011; OKLCH L 22.6% C 0.056 H 10.0°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#310F16
RGB	rgb(49, 15, 22)
HSL	hsl(348, 53%, 13%)
HSV	hsv(348, 69%, 19%)
CMYK	cmyk(0%, 69.4%, 55.1%, 80.8%)
CIE-LAB	lab(9.42, 18.09, 3.68)
CIE-LCH	lch(9.42, 18.46, 11.49°)
OKLab	oklab(22.62% 0.0549 0.0096)
OKLCH	oklch(22.62% 0.056 10)
XYZ	xyz(1.5824, 1.0527, 0.8788)
Luminance	0.0105 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F16 #0F312A

analogous

#310F27 #310F16 #31190F

triadic

#310F16 #16310F #0F1631

tetradic

#310F16 #27310F #0F312A #190F31

square

#310F16 #27310F #0F312A #190F31

split-complementary

#310F16 #0F3119 #0F2731

monochromatic

#17070B #17070B #310F16 #601D2B #8F2C40

Accessibility & contrast

On white

17.35

#310F16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310F16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F16

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F16	#FFFFFF	#000000	##FFFFFF
##310F16	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161616

Deuteranopia (green-blind)

#1F1D15

Tritanopia (blue-blind)

#360B12

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310f16;
/* rgb */ color: rgb(49, 15, 22);
/* oklch */ color: oklch(22.6% 0.056 10.0);

Tailwind

colors: {
  custom: {
    50: '#6b4f52',
    500: '#310f16',
    950: '#000000',
  },
}

SCSS

$custom: #310f16;
$custom-light: #6b4f52;
$custom-dark: #000000;

JSON

{
  "hex": "#310f16",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 22
  },
  "hsl": {
    "h": 347.647,
    "s": 53.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22623,
    "c": 0.05572,
    "h": 10
  },
  "luminance": 0.01053
}

Semantic roles & 50–950 ramp

primary

#310F16

secondary

#316B5F

accent

#DDBF4B

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#070202

muted

#7A7878

Preview Lab

Preview with #310F16

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

Preview Lab → · Contrast checker → · Palette generator →