#A1381E#A1381E

#A1381E is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.145 H 34.9°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#A1381E
RGB	rgb(161, 56, 30)
HSL	hsl(12, 69%, 37%)
HSV	hsv(12, 81%, 63%)
CMYK	cmyk(0%, 65.2%, 81.4%, 36.9%)
CIE-LAB	lab(38.73, 42.17, 38.33)
CIE-LCH	lch(38.73, 56.98, 42.27°)
OKLab	oklab(48.78% 0.1185 0.0828)
OKLCH	oklch(48.78% 0.145 34.9)
XYZ	xyz(16.3483, 10.5015, 2.3942)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1381E #1E87A1

analogous

#A11E46 #A1381E #A1791E

triadic

#A1381E #1EA138 #381EA1

tetradic

#A1381E #46A11E #1E87A1 #791EA1

square

#A1381E #46A11E #1E87A1 #791EA1

split-complementary

#A1381E #1EA179 #1E46A1

monochromatic

#3A140B #6D2614 #A1381E #D54A28 #E07459

Accessibility & contrast

On white

6.77

#A1381E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A1381E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1381E

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1381E	#FFFFFF	#000000	##FFFFFF
##A1381E	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C1A

Deuteranopia (green-blind)

#70641A

Tritanopia (blue-blind)

#B11B33

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a1381e;
/* rgb */ color: rgb(161, 56, 30);
/* oklch */ color: oklch(48.8% 0.145 34.9);

Tailwind

colors: {
  custom: {
    50: '#c5745c',
    500: '#a1381e',
    950: '#000000',
  },
}

SCSS

$custom: #a1381e;
$custom-light: #c5745c;
$custom-dark: #000000;

JSON

{
  "hex": "#a1381e",
  "rgb": {
    "r": 161,
    "g": 56,
    "b": 30
  },
  "hsl": {
    "h": 11.908,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.48782,
    "c": 0.14456,
    "h": 34.9
  },
  "luminance": 0.10499
}

Semantic roles & 50–950 ramp

primary

#A1381E

secondary

#57AEC4

accent

#C9EB3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A1381E

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

Preview Lab → · Contrast checker → · Palette generator →