#310506#310506

#310506 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.6% C 0.071 H 24.6°. Best body text is #FFFFFF at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#310506
RGB	rgb(49, 5, 6)
HSL	hsl(359, 81%, 11%)
HSV	hsv(359, 90%, 19%)
CMYK	cmyk(0%, 89.8%, 87.8%, 80.8%)
CIE-LAB	lab(7.00, 22.07, 8.49)
CIE-LCH	lch(7.00, 23.64, 21.03°)
OKLab	oklab(20.65% 0.0646 0.0296)
OKLCH	oklch(20.65% 0.071 24.6)
XYZ	xyz(1.3539, 0.7749, 0.2505)
Luminance	0.0077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310506 #053130

analogous

#31051C #310506 #311A05

triadic

#310506 #063105 #050631

tetradic

#310506 #1C3105 #053130 #1A0531

square

#310506 #1C3105 #053130 #1A0531

split-complementary

#310506 #05311A #051C31

monochromatic

#1C0303 #1C0303 #310506 #690B0D #A01014

Accessibility & contrast

On white

18.18

#310506 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#310506 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310506

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310506	#FFFFFF	#000000	##FFFFFF
##310506	1.00	18.18	1.16	18.18
#FFFFFF	18.18	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#120F06

Deuteranopia (green-blind)

#1D1905

Tritanopia (blue-blind)

#370006

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #310506;
/* rgb */ color: rgb(49, 5, 6);
/* oklch */ color: oklch(20.6% 0.071 24.6);

Tailwind

colors: {
  custom: {
    50: '#6d4949',
    500: '#310506',
    950: '#000000',
  },
}

SCSS

$custom: #310506;
$custom-light: #6d4949;
$custom-dark: #000000;

JSON

{
  "hex": "#310506",
  "rgb": {
    "r": 49,
    "g": 5,
    "b": 6
  },
  "hsl": {
    "h": 358.636,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.2065,
    "c": 0.07111,
    "h": 24.6
  },
  "luminance": 0.00775
}

Semantic roles & 50–950 ramp

primary

#310506

secondary

#1F7271

accent

#F8F330

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #310506

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

Preview Lab → · Contrast checker → · Palette generator →