#3A0B05#3A0B05

#3A0B05 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.4% C 0.075 H 31.4°. Best body text is #FFFFFF at 17.07:1 contrast (WCAG AA passes).

Color values

HEX	#3A0B05
RGB	rgb(58, 11, 5)
HSL	hsl(7, 84%, 12%)
HSV	hsv(7, 91%, 23%)
CMYK	cmyk(0%, 81%, 91.4%, 77.3%)
CIE-LAB	lab(10.18, 22.65, 13.76)
CIE-LCH	lch(10.18, 26.50, 31.27°)
OKLab	oklab(23.44% 0.0642 0.0393)
OKLCH	oklch(23.44% 0.075 31.4)
XYZ	xyz(1.8922, 1.1501, 0.2659)
Luminance	0.0115 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0B05 #05343A

analogous

#3A051A #3A0B05 #3A2505

triadic

#3A0B05 #053A0B #0B053A

tetradic

#3A0B05 #1A3A05 #05343A #25053A

square

#3A0B05 #1A3A05 #05343A #25053A

split-complementary

#3A0B05 #053A25 #051A3A

monochromatic

#1C0502 #1C0502 #3A0B05 #72160A #AB200F

Accessibility & contrast

On white

17.07

#3A0B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#3A0B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0B05

17.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0B05	#FFFFFF	#000000	##FFFFFF
##3A0B05	1.00	17.07	1.23	17.07
#FFFFFF	17.07	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191504

Deuteranopia (green-blind)

#252004

Tritanopia (blue-blind)

#41000A

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3a0b05;
/* rgb */ color: rgb(58, 11, 5);
/* oklch */ color: oklch(23.4% 0.075 31.4);

Tailwind

colors: {
  custom: {
    50: '#754d49',
    500: '#3a0b05',
    950: '#000000',
  },
}

SCSS

$custom: #3a0b05;
$custom-light: #754d49;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0b05",
  "rgb": {
    "r": 58,
    "g": 11,
    "b": 5
  },
  "hsl": {
    "h": 6.792,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.23439,
    "c": 0.07525,
    "h": 31.4
  },
  "luminance": 0.0115
}

Semantic roles & 50–950 ramp

primary

#3A0B05

secondary

#20717B

accent

#E3FA2D

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3A0B05

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

Preview Lab → · Contrast checker → · Palette generator →