#3D100E#3D100E

#3D100E is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.071 H 26.2°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#3D100E
RGB	rgb(61, 16, 14)
HSL	hsl(3, 63%, 15%)
HSV	hsv(3, 77%, 24%)
CMYK	cmyk(0%, 73.8%, 77%, 76.1%)
CIE-LAB	lab(11.92, 21.91, 12.41)
CIE-LCH	lch(11.92, 25.18, 29.54°)
OKLab	oklab(24.91% 0.0639 0.0314)
OKLCH	oklch(24.91% 0.071 26.2)
XYZ	xyz(2.1892, 1.3947, 0.5693)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D100E #0E3B3D

analogous

#3D0E24 #3D100E #3D280E

triadic

#3D100E #0E3D10 #100E3D

tetradic

#3D100E #243D0E #0E3B3D #280E3D

square

#3D100E #243D0E #0E3B3D #280E3D

split-complementary

#3D100E #0E3D28 #0E243D

monochromatic

#190706 #190706 #3D100E #6F1D19 #A12A25

Accessibility & contrast

On white

16.42

#3D100E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3D100E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D100E

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D100E	#FFFFFF	#000000	##FFFFFF
##3D100E	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190D

Deuteranopia (green-blind)

#27230D

Tritanopia (blue-blind)

#440610

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3d100e;
/* rgb */ color: rgb(61, 16, 14);
/* oklch */ color: oklch(24.9% 0.071 26.2);

Tailwind

colors: {
  custom: {
    50: '#77514d',
    500: '#3d100e',
    950: '#000000',
  },
}

SCSS

$custom: #3d100e;
$custom-light: #77514d;
$custom-dark: #000000;

JSON

{
  "hex": "#3d100e",
  "rgb": {
    "r": 61,
    "g": 16,
    "b": 14
  },
  "hsl": {
    "h": 2.553,
    "s": 62.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24912,
    "c": 0.07122,
    "h": 26.2
  },
  "luminance": 0.01394
}

Semantic roles & 50–950 ramp

primary

#3D100E

secondary

#2F7578

accent

#DFE642

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3D100E

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

Preview Lab → · Contrast checker → · Palette generator →