#3D100D#3D100D

#3D100D is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.071 H 27.3°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#3D100D
RGB	rgb(61, 16, 13)
HSL	hsl(4, 65%, 15%)
HSV	hsv(4, 79%, 24%)
CMYK	cmyk(0%, 73.8%, 78.7%, 76.1%)
CIE-LAB	lab(11.90, 21.84, 12.88)
CIE-LCH	lch(11.90, 25.36, 30.53°)
OKLab	oklab(24.89% 0.0635 0.0327)
OKLCH	oklch(24.89% 0.071 27.3)
XYZ	xyz(2.1826, 1.3920, 0.5345)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D100D #0D3A3D

analogous

#3D0D22 #3D100D #3D280D

triadic

#3D100D #0D3D10 #100D3D

tetradic

#3D100D #223D0D #0D3A3D #280D3D

square

#3D100D #223D0D #0D3A3D #280D3D

split-complementary

#3D100D #0D3D28 #0D223D

monochromatic

#190705 #190705 #3D100D #6F1D18 #A22A23

Accessibility & contrast

On white

16.43

#3D100D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3D100D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D100D

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D100D	#FFFFFF	#000000	##FFFFFF
##3D100D	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)

#1C190C

Deuteranopia (green-blind)

#27230C

Tritanopia (blue-blind)

#440610

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3d100d;
/* rgb */ color: rgb(61, 16, 13);
/* oklch */ color: oklch(24.9% 0.071 27.3);

Tailwind

colors: {
  custom: {
    50: '#77514c',
    500: '#3d100d',
    950: '#000000',
  },
}

SCSS

$custom: #3d100d;
$custom-light: #77514c;
$custom-dark: #000000;

JSON

{
  "hex": "#3d100d",
  "rgb": {
    "r": 61,
    "g": 16,
    "b": 13
  },
  "hsl": {
    "h": 3.75,
    "s": 64.865,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24893,
    "c": 0.07141,
    "h": 27.3
  },
  "luminance": 0.01392
}

Semantic roles & 50–950 ramp

primary

#3D100D

secondary

#2D7479

accent

#DDE840

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3D100D

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

Preview Lab → · Contrast checker → · Palette generator →