#310406#310406

#310406 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.5% C 0.073 H 23.6°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#310406
RGB	rgb(49, 4, 6)
HSL	hsl(357, 85%, 10%)
HSV	hsv(357, 92%, 19%)
CMYK	cmyk(0%, 91.8%, 87.8%, 80.8%)
CIE-LAB	lab(6.80, 22.59, 8.20)
CIE-LCH	lch(6.80, 24.03, 19.95°)
OKLab	oklab(20.49% 0.0666 0.0291)
OKLCH	oklch(20.49% 0.073 23.6)
XYZ	xyz(1.3431, 0.7532, 0.2469)
Luminance	0.0075 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310406 #04312F

analogous

#31041C #310406 #311804

triadic

#310406 #063104 #040631

tetradic

#310406 #1C3104 #04312F #180431

square

#310406 #1C3104 #04312F #180431

split-complementary

#310406 #043118 #041C31

monochromatic

#1C0203 #1C0203 #310406 #6A090D #A20D14

Accessibility & contrast

On white

18.25

#310406 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#310406 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310406

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310406	#FFFFFF	#000000	##FFFFFF
##310406	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F06

Deuteranopia (green-blind)

#1C1905

Tritanopia (blue-blind)

#370005

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #310406;
/* rgb */ color: rgb(49, 4, 6);
/* oklch */ color: oklch(20.5% 0.073 23.6);

Tailwind

colors: {
  custom: {
    50: '#6d4849',
    500: '#310406',
    950: '#000000',
  },
}

SCSS

$custom: #310406;
$custom-light: #6d4849;
$custom-dark: #000000;

JSON

{
  "hex": "#310406",
  "rgb": {
    "r": 49,
    "g": 4,
    "b": 6
  },
  "hsl": {
    "h": 357.333,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.20489,
    "c": 0.07265,
    "h": 23.6
  },
  "luminance": 0.00753
}

Semantic roles & 50–950 ramp

primary

#310406

secondary

#1D7370

accent

#FBF22D

background

#F6F4F4

surface

#ECE6E6

border

#C7C2C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #310406

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

Preview Lab → · Contrast checker → · Palette generator →