#3E100A#3E100A

#3E100A is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.073 H 30.4°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#3E100A
RGB	rgb(62, 16, 10)
HSL	hsl(7, 72%, 14%)
HSV	hsv(7, 84%, 24%)
CMYK	cmyk(0%, 74.2%, 83.9%, 75.7%)
CIE-LAB	lab(12.07, 22.08, 14.47)
CIE-LCH	lch(12.07, 26.40, 33.23°)
OKLab	oklab(25.04% 0.0633 0.0371)
OKLCH	oklch(25.04% 0.073 30.4)
XYZ	xyz(2.2269, 1.4169, 0.4433)
Luminance	0.0142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E100A #0A383E

analogous

#3E0A1E #3E100A #3E2A0A

triadic

#3E100A #0A3E10 #100A3E

tetradic

#3E100A #1E3E0A #0A383E #2A0A3E

square

#3E100A #1E3E0A #0A383E #2A0A3E

split-complementary

#3E100A #0A3E2A #0A1E3E

monochromatic

#1A0704 #1A0704 #3E100A #731E13 #A72B1B

Accessibility & contrast

On white

16.36

#3E100A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3E100A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E100A

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E100A	#FFFFFF	#000000	##FFFFFF
##3E100A	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1909

Deuteranopia (green-blind)

#282309

Tritanopia (blue-blind)

#45050F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3e100a;
/* rgb */ color: rgb(62, 16, 10);
/* oklch */ color: oklch(25.0% 0.073 30.4);

Tailwind

colors: {
  custom: {
    50: '#78514b',
    500: '#3e100a',
    950: '#000000',
  },
}

SCSS

$custom: #3e100a;
$custom-light: #78514b;
$custom-dark: #000000;

JSON

{
  "hex": "#3e100a",
  "rgb": {
    "r": 62,
    "g": 16,
    "b": 10
  },
  "hsl": {
    "h": 6.923,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25042,
    "c": 0.07341,
    "h": 30.4
  },
  "luminance": 0.01417
}

Semantic roles & 50–950 ramp

primary

#3E100A

secondary

#28727B

accent

#DAEF39

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3E100A

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

Preview Lab → · Contrast checker → · Palette generator →