#310F05#310F05

#310F05 is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.2% C 0.059 H 38.0°. Best body text is #FFFFFF at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#310F05
RGB	rgb(49, 15, 5)
HSL	hsl(14, 81%, 11%)
HSV	hsv(14, 90%, 19%)
CMYK	cmyk(0%, 69.4%, 89.8%, 80.8%)
CIE-LAB	lab(9.04, 16.50, 11.86)
CIE-LCH	lch(9.04, 20.32, 35.70°)
OKLab	oklab(22.21% 0.0463 0.0362)
OKLCH	oklch(22.21% 0.059 38)
XYZ	xyz(1.4650, 1.0058, 0.2605)
Luminance	0.0101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F05 #052731

analogous

#310511 #310F05 #312505

triadic

#310F05 #05310F #0F0531

tetradic

#310F05 #113105 #052731 #250531

square

#310F05 #113105 #052731 #250531

split-complementary

#310F05 #053125 #051131

monochromatic

#1C0803 #1C0803 #310F05 #69200B #A03110

Accessibility & contrast

On white

17.48

#310F05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#310F05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F05

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F05	#FFFFFF	#000000	##FFFFFF
##310F05	1.00	17.48	1.20	17.48
#FFFFFF	17.48	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181504

Deuteranopia (green-blind)

#211C04

Tritanopia (blue-blind)

#37070D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310f05;
/* rgb */ color: rgb(49, 15, 5);
/* oklch */ color: oklch(22.2% 0.059 38.0);

Tailwind

colors: {
  custom: {
    50: '#6c4e49',
    500: '#310f05',
    950: '#000000',
  },
}

SCSS

$custom: #310f05;
$custom-light: #6c4e49;
$custom-dark: #000000;

JSON

{
  "hex": "#310f05",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 5
  },
  "hsl": {
    "h": 13.636,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.22209,
    "c": 0.05879,
    "h": 38
  },
  "luminance": 0.01006
}

Semantic roles & 50–950 ramp

primary

#310F05

secondary

#1F6072

accent

#CAF830

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070200

muted

#7A7877

Preview Lab

Preview with #310F05

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

Preview Lab → · Contrast checker → · Palette generator →