#3D101A#3D101A

#3D101A is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.071 H 10.3°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#3D101A
RGB	rgb(61, 16, 26)
HSL	hsl(347, 58%, 15%)
HSV	hsv(347, 74%, 24%)
CMYK	cmyk(0%, 73.8%, 57.4%, 76.1%)
CIE-LAB	lab(12.21, 22.97, 4.96)
CIE-LCH	lch(12.21, 23.50, 12.18°)
OKLab	oklab(25.22% 0.0697 0.0127)
OKLCH	oklch(25.22% 0.071 10.3)
XYZ	xyz(2.2964, 1.4376, 1.1336)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D101A #103D33

analogous

#3D1030 #3D101A #3D1D10

triadic

#3D101A #1A3D10 #101A3D

tetradic

#3D101A #303D10 #103D33 #1D103D

square

#3D101A #303D10 #103D33 #1D103D

split-complementary

#3D101A #103D1D #10303D

monochromatic

#18060A #18060A #3D101A #6D1D2F #9E2943

Accessibility & contrast

On white

16.31

#3D101A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3D101A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D101A

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D101A	#FFFFFF	#000000	##FFFFFF
##3D101A	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1A1A

Deuteranopia (green-blind)

#262319

Tritanopia (blue-blind)

#430914

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3d101a;
/* rgb */ color: rgb(61, 16, 26);
/* oklch */ color: oklch(25.2% 0.071 10.3);

Tailwind

colors: {
  custom: {
    50: '#765156',
    500: '#3d101a',
    950: '#000000',
  },
}

SCSS

$custom: #3d101a;
$custom-light: #765156;
$custom-dark: #000000;

JSON

{
  "hex": "#3d101a",
  "rgb": {
    "r": 61,
    "g": 16,
    "b": 26
  },
  "hsl": {
    "h": 346.667,
    "s": 58.442,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25215,
    "c": 0.07081,
    "h": 10.3
  },
  "luminance": 0.01437
}

Semantic roles & 50–950 ramp

primary

#3D101A

secondary

#327768

accent

#E2BF46

background

#F7F4F5

surface

#EDE7E8

border

#C8C3C4

text

#090203

muted

#7B7878

Preview Lab

Preview with #3D101A

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

Preview Lab → · Contrast checker → · Palette generator →