#3E100B#3E100B

#3E100B is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.073 H 29.4°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#3E100B
RGB	rgb(62, 16, 11)
HSL	hsl(6, 70%, 14%)
HSV	hsv(6, 82%, 24%)
CMYK	cmyk(0%, 74.2%, 82.3%, 75.7%)
CIE-LAB	lab(12.08, 22.14, 14.07)
CIE-LCH	lch(12.08, 26.23, 32.44°)
OKLab	oklab(25.06% 0.0638 0.0359)
OKLCH	oklch(25.06% 0.073 29.4)
XYZ	xyz(2.2325, 1.4192, 0.4729)
Luminance	0.0142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E100B #0B393E

analogous

#3E0B20 #3E100B #3E2A0B

triadic

#3E100B #0B3E10 #100B3E

tetradic

#3E100B #203E0B #0B393E #2A0B3E

square

#3E100B #203E0B #0B393E #2A0B3E

split-complementary

#3E100B #0B3E2A #0B203E

monochromatic

#1A0705 #1A0705 #3E100B #721D14 #A62B1D

Accessibility & contrast

On white

16.36

#3E100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3E100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E100B

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E100B	#FFFFFF	#000000	##FFFFFF
##3E100B	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)

#1D190A

Deuteranopia (green-blind)

#28230A

Tritanopia (blue-blind)

#45050F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3e100b;
/* rgb */ color: rgb(62, 16, 11);
/* oklch */ color: oklch(25.1% 0.073 29.4);

Tailwind

colors: {
  custom: {
    50: '#78514b',
    500: '#3e100b',
    950: '#000000',
  },
}

SCSS

$custom: #3e100b;
$custom-light: #78514b;
$custom-dark: #000000;

JSON

{
  "hex": "#3e100b",
  "rgb": {
    "r": 62,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 5.882,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25058,
    "c": 0.07317,
    "h": 29.4
  },
  "luminance": 0.01419
}

Semantic roles & 50–950 ramp

primary

#3E100B

secondary

#2A737B

accent

#DBED3B

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3E100B

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

Preview Lab → · Contrast checker → · Palette generator →