#3D100F#3D100F

#3D100F is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.071 H 25.0°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#3D100F
RGB	rgb(61, 16, 15)
HSL	hsl(1, 61%, 15%)
HSV	hsv(1, 75%, 24%)
CMYK	cmyk(0%, 73.8%, 75.4%, 76.1%)
CIE-LAB	lab(11.94, 21.98, 11.92)
CIE-LCH	lch(11.94, 25.00, 28.48°)
OKLab	oklab(24.93% 0.0644 0.03)
OKLCH	oklch(24.93% 0.071 25)
XYZ	xyz(2.1962, 1.3975, 0.6059)
Luminance	0.0140 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D100F #0F3C3D

analogous

#3D0F25 #3D100F #3D270F

triadic

#3D100F #0F3D10 #100F3D

tetradic

#3D100F #253D0F #0F3C3D #270F3D

square

#3D100F #253D0F #0F3C3D #270F3D

split-complementary

#3D100F #0F3D27 #0F253D

monochromatic

#190606 #190606 #3D100F #6E1D1B #9F2A27

Accessibility & contrast

On white

16.41

#3D100F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3D100F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D100F

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D100F	#FFFFFF	#000000	##FFFFFF
##3D100F	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190F

Deuteranopia (green-blind)

#27230E

Tritanopia (blue-blind)

#440610

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3d100f;
/* rgb */ color: rgb(61, 16, 15);
/* oklch */ color: oklch(24.9% 0.071 25.0);

Tailwind

colors: {
  custom: {
    50: '#77514d',
    500: '#3d100f',
    950: '#000000',
  },
}

SCSS

$custom: #3d100f;
$custom-light: #77514d;
$custom-dark: #000000;

JSON

{
  "hex": "#3d100f",
  "rgb": {
    "r": 61,
    "g": 16,
    "b": 15
  },
  "hsl": {
    "h": 1.304,
    "s": 60.526,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24932,
    "c": 0.07103,
    "h": 25
  },
  "luminance": 0.01397
}

Semantic roles & 50–950 ramp

primary

#3D100F

secondary

#307677

accent

#E0E444

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3D100F

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

Preview Lab → · Contrast checker → · Palette generator →