#A1381C#A1381C

#A1381C is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.145 H 35.5°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A1381C
RGB	rgb(161, 56, 28)
HSL	hsl(13, 70%, 37%)
HSV	hsv(13, 83%, 63%)
CMYK	cmyk(0%, 65.2%, 82.6%, 36.9%)
CIE-LAB	lab(38.71, 42.10, 39.33)
CIE-LCH	lch(38.71, 57.62, 43.05°)
OKLab	oklab(48.76% 0.118 0.0843)
OKLCH	oklch(48.76% 0.145 35.5)
XYZ	xyz(16.3236, 10.4916, 2.2639)
Luminance	0.1049 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1381C #1C85A1

analogous

#A11C42 #A1381C #A17B1C

triadic

#A1381C #1CA138 #381CA1

tetradic

#A1381C #42A11C #1C85A1 #7B1CA1

square

#A1381C #42A11C #1C85A1 #7B1CA1

split-complementary

#A1381C #1CA17B #1C42A1

monochromatic

#39140A #6D2613 #A1381C #D54A25 #E27356

Accessibility & contrast

On white

6.78

#A1381C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A1381C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1381C

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1381C	#FFFFFF	#000000	##FFFFFF
##A1381C	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C18

Deuteranopia (green-blind)

#706417

Tritanopia (blue-blind)

#B11A33

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a1381c;
/* rgb */ color: rgb(161, 56, 28);
/* oklch */ color: oklch(48.8% 0.145 35.5);

Tailwind

colors: {
  custom: {
    50: '#c5745b',
    500: '#a1381c',
    950: '#000000',
  },
}

SCSS

$custom: #a1381c;
$custom-light: #c5745b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1381c",
  "rgb": {
    "r": 161,
    "g": 56,
    "b": 28
  },
  "hsl": {
    "h": 12.632,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.48763,
    "c": 0.14498,
    "h": 35.5
  },
  "luminance": 0.10489
}

Semantic roles & 50–950 ramp

primary

#A1381C

secondary

#54ADC5

accent

#C8ED3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A1381C

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

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