#A13B1B#A13B1B

#A13B1B is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.1% C 0.142 H 37.2°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#A13B1B
RGB	rgb(161, 59, 27)
HSL	hsl(14, 71%, 37%)
HSV	hsv(14, 83%, 63%)
CMYK	cmyk(0%, 63.4%, 83.2%, 36.9%)
CIE-LAB	lab(39.22, 40.70, 40.31)
CIE-LCH	lch(39.22, 57.28, 44.72°)
OKLab	oklab(49.14% 0.1135 0.0861)
OKLCH	oklch(49.14% 0.142 37.2)
XYZ	xyz(16.4616, 10.7865, 2.2519)
Luminance	0.1078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13B1B #1B81A1

analogous

#A11B3E #A13B1B #A17E1B

triadic

#A13B1B #1BA13B #3B1BA1

tetradic

#A13B1B #3EA11B #1B81A1 #7E1BA1

square

#A13B1B #3EA11B #1B81A1 #7E1BA1

split-complementary

#A13B1B #1BA17E #1B3EA1

monochromatic

#381509 #6D2812 #A13B1B #D54E24 #E27654

Accessibility & contrast

On white

6.65

#A13B1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A13B1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13B1B

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13B1B	#FFFFFF	#000000	##FFFFFF
##A13B1B	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E16

Deuteranopia (green-blind)

#716516

Tritanopia (blue-blind)

#B12035

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a13b1b;
/* rgb */ color: rgb(161, 59, 27);
/* oklch */ color: oklch(49.1% 0.142 37.2);

Tailwind

colors: {
  custom: {
    50: '#c5755a',
    500: '#a13b1b',
    950: '#000000',
  },
}

SCSS

$custom: #a13b1b;
$custom-light: #c5755a;
$custom-dark: #000000;

JSON

{
  "hex": "#a13b1b",
  "rgb": {
    "r": 161,
    "g": 59,
    "b": 27
  },
  "hsl": {
    "h": 14.328,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.49143,
    "c": 0.14242,
    "h": 37.2
  },
  "luminance": 0.10784
}

Semantic roles & 50–950 ramp

primary

#A13B1B

secondary

#52AAC5

accent

#C3EE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A13B1B

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

Preview Lab → · Contrast checker → · Palette generator →