#3E090B#3E090B

#3E090B is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.2% C 0.081 H 23.9°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#3E090B
RGB	rgb(62, 9, 11)
HSL	hsl(358, 75%, 14%)
HSV	hsv(358, 85%, 24%)
CMYK	cmyk(0%, 85.5%, 82.3%, 75.7%)
CIE-LAB	lab(10.88, 25.44, 12.41)
CIE-LCH	lch(10.88, 28.31, 26.00°)
OKLab	oklab(24.15% 0.0742 0.0329)
OKLCH	oklch(24.15% 0.081 23.9)
XYZ	xyz(2.1449, 1.2440, 0.4437)
Luminance	0.0124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E090B #093E3C

analogous

#3E0926 #3E090B #3E2209

triadic

#3E090B #0B3E09 #090B3E

tetradic

#3E090B #263E09 #093E3C #22093E

square

#3E090B #263E09 #093E3C #22093E

split-complementary

#3E090B #093E22 #09263E

monochromatic

#1B0405 #1B0405 #3E090B #731114 #A9191E

Accessibility & contrast

On white

16.82

#3E090B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3E090B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E090B

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E090B	#FFFFFF	#000000	##FFFFFF
##3E090B	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19160B

Deuteranopia (green-blind)

#262109

Tritanopia (blue-blind)

#45000A

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3e090b;
/* rgb */ color: rgb(62, 9, 11);
/* oklch */ color: oklch(24.2% 0.081 23.9);

Tailwind

colors: {
  custom: {
    50: '#784d4b',
    500: '#3e090b',
    950: '#000000',
  },
}

SCSS

$custom: #3e090b;
$custom-light: #784d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3e090b",
  "rgb": {
    "r": 62,
    "g": 9,
    "b": 11
  },
  "hsl": {
    "h": 357.736,
    "s": 74.648,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24155,
    "c": 0.08113,
    "h": 23.9
  },
  "luminance": 0.01244
}

Semantic roles & 50–950 ramp

primary

#3E090B

secondary

#277C79

accent

#F1EA37

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3E090B

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

Preview Lab → · Contrast checker → · Palette generator →