#3A130B#3A130B

#3A130B is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.8% C 0.064 H 33.3°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#3A130B
RGB	rgb(58, 19, 11)
HSL	hsl(10, 68%, 14%)
HSV	hsv(10, 81%, 23%)
CMYK	cmyk(0%, 67.2%, 81%, 77.3%)
CIE-LAB	lab(11.89, 18.71, 13.67)
CIE-LCH	lch(11.89, 23.17, 36.16°)
OKLab	oklab(24.75% 0.0536 0.0352)
OKLCH	oklch(24.75% 0.064 33.3)
XYZ	xyz(2.0384, 1.3897, 0.4774)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A130B #0B323A

analogous

#3A0B1A #3A130B #3A2A0B

triadic

#3A130B #0B3A13 #130B3A

tetradic

#3A130B #1A3A0B #0B323A #2A0B3A

square

#3A130B #1A3A0B #0B323A #2A0B3A

split-complementary

#3A130B #0B3A2A #0B1A3A

monochromatic

#1A0805 #1A0805 #3A130B #6D2415 #A1351F

Accessibility & contrast

On white

16.43

#3A130B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3A130B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A130B

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A130B	#FFFFFF	#000000	##FFFFFF
##3A130B	1.00	16.43	1.28	16.43
#FFFFFF	16.43	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1A0A

Deuteranopia (green-blind)

#27220A

Tritanopia (blue-blind)

#400B11

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3a130b;
/* rgb */ color: rgb(58, 19, 11);
/* oklch */ color: oklch(24.8% 0.064 33.3);

Tailwind

colors: {
  custom: {
    50: '#74524b',
    500: '#3a130b',
    950: '#000000',
  },
}

SCSS

$custom: #3a130b;
$custom-light: #74524b;
$custom-dark: #000000;

JSON

{
  "hex": "#3a130b",
  "rgb": {
    "r": 58,
    "g": 19,
    "b": 11
  },
  "hsl": {
    "h": 10.213,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24752,
    "c": 0.06411,
    "h": 33.3
  },
  "luminance": 0.01389
}

Semantic roles & 50–950 ramp

primary

#3A130B

secondary

#2A6A77

accent

#CDEB3D

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3A130B

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

Preview Lab → · Contrast checker → · Palette generator →