#3D100C#3D100C

#3D100C is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.072 H 28.4°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#3D100C
RGB	rgb(61, 16, 12)
HSL	hsl(5, 67%, 14%)
HSV	hsv(5, 80%, 24%)
CMYK	cmyk(0%, 73.8%, 80.3%, 76.1%)
CIE-LAB	lab(11.89, 21.78, 13.32)
CIE-LCH	lch(11.89, 25.53, 31.46°)
OKLab	oklab(24.88% 0.063 0.034)
OKLCH	oklch(24.88% 0.072 28.4)
XYZ	xyz(2.1763, 1.3895, 0.5014)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D100C #0C393D

analogous

#3D0C21 #3D100C #3D290C

triadic

#3D100C #0C3D10 #100C3D

tetradic

#3D100C #213D0C #0C393D #290C3D

square

#3D100C #213D0C #0C393D #290C3D

split-complementary

#3D100C #0C3D29 #0C213D

monochromatic

#1A0705 #1A0705 #3D100C #701D16 #A32B20

Accessibility & contrast

On white

16.43

#3D100C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3D100C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D100C

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D100C	#FFFFFF	#000000	##FFFFFF
##3D100C	1.00	16.43	1.28	16.43
#FFFFFF	16.43	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190B

Deuteranopia (green-blind)

#28230B

Tritanopia (blue-blind)

#44060F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3d100c;
/* rgb */ color: rgb(61, 16, 12);
/* oklch */ color: oklch(24.9% 0.072 28.4);

Tailwind

colors: {
  custom: {
    50: '#77514c',
    500: '#3d100c',
    950: '#000000',
  },
}

SCSS

$custom: #3d100c;
$custom-light: #77514c;
$custom-dark: #000000;

JSON

{
  "hex": "#3d100c",
  "rgb": {
    "r": 61,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 4.898,
    "s": 67.123,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24875,
    "c": 0.07162,
    "h": 28.4
  },
  "luminance": 0.01389
}

Semantic roles & 50–950 ramp

primary

#3D100C

secondary

#2C7379

accent

#DCEA3E

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3D100C

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

Preview Lab → · Contrast checker → · Palette generator →