#3D100A#3D100A

#3D100A is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.8% C 0.072 H 30.4°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#3D100A
RGB	rgb(61, 16, 10)
HSL	hsl(7, 72%, 14%)
HSV	hsv(7, 84%, 24%)
CMYK	cmyk(0%, 73.8%, 83.6%, 76.1%)
CIE-LAB	lab(11.86, 21.66, 14.14)
CIE-LCH	lch(11.86, 25.87, 33.15°)
OKLab	oklab(24.84% 0.0622 0.0365)
OKLCH	oklch(24.84% 0.072 30.4)
XYZ	xyz(2.1648, 1.3849, 0.4404)
Luminance	0.0138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D100A #0A373D

analogous

#3D0A1E #3D100A #3D2A0A

triadic

#3D100A #0A3D10 #100A3D

tetradic

#3D100A #1E3D0A #0A373D #2A0A3D

square

#3D100A #1E3D0A #0A373D #2A0A3D

split-complementary

#3D100A #0A3D2A #0A1E3D

monochromatic

#1A0704 #1A0704 #3D100A #721E13 #A62C1B

Accessibility & contrast

On white

16.44

#3D100A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3D100A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D100A

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D100A	#FFFFFF	#000000	##FFFFFF
##3D100A	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1909

Deuteranopia (green-blind)

#282309

Tritanopia (blue-blind)

#44050F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3d100a;
/* rgb */ color: rgb(61, 16, 10);
/* oklch */ color: oklch(24.8% 0.072 30.4);

Tailwind

colors: {
  custom: {
    50: '#77514b',
    500: '#3d100a',
    950: '#000000',
  },
}

SCSS

$custom: #3d100a;
$custom-light: #77514b;
$custom-dark: #000000;

JSON

{
  "hex": "#3d100a",
  "rgb": {
    "r": 61,
    "g": 16,
    "b": 10
  },
  "hsl": {
    "h": 7.059,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24841,
    "c": 0.07209,
    "h": 30.4
  },
  "luminance": 0.01385
}

Semantic roles & 50–950 ramp

primary

#3D100A

secondary

#28717A

accent

#D9EF39

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3D100A

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

Preview Lab → · Contrast checker → · Palette generator →