#A1381A#A1381A

#A1381A is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.7% C 0.145 H 36.1°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A1381A
RGB	rgb(161, 56, 26)
HSL	hsl(13, 72%, 37%)
HSV	hsv(13, 84%, 63%)
CMYK	cmyk(0%, 65.2%, 83.9%, 36.9%)
CIE-LAB	lab(38.69, 42.04, 40.31)
CIE-LCH	lch(38.69, 58.24, 43.80°)
OKLab	oklab(48.75% 0.1174 0.0857)
OKLCH	oklch(48.75% 0.145 36.1)
XYZ	xyz(16.3004, 10.4824, 2.1421)
Luminance	0.1048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1381A #1A83A1

analogous

#A11A40 #A1381A #A17C1A

triadic

#A1381A #1AA138 #381AA1

tetradic

#A1381A #40A11A #1A83A1 #7C1AA1

square

#A1381A #40A11A #1A83A1 #7C1AA1

split-complementary

#A1381A #1AA17C #1A40A1

monochromatic

#381309 #6C2611 #A1381A #D64A23 #E37252

Accessibility & contrast

On white

6.78

#A1381A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A1381A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1381A

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1381A	#FFFFFF	#000000	##FFFFFF
##A1381A	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)

#564C15

Deuteranopia (green-blind)

#706415

Tritanopia (blue-blind)

#B21A32

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a1381a;
/* rgb */ color: rgb(161, 56, 26);
/* oklch */ color: oklch(48.7% 0.145 36.1);

Tailwind

colors: {
  custom: {
    50: '#c57459',
    500: '#a1381a',
    950: '#000000',
  },
}

SCSS

$custom: #a1381a;
$custom-light: #c57459;
$custom-dark: #000000;

JSON

{
  "hex": "#a1381a",
  "rgb": {
    "r": 161,
    "g": 56,
    "b": 26
  },
  "hsl": {
    "h": 13.333,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.48746,
    "c": 0.14539,
    "h": 36.1
  },
  "luminance": 0.1048
}

Semantic roles & 50–950 ramp

primary

#A1381A

secondary

#51ACC6

accent

#C6EF39

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A1381A

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

Preview Lab → · Contrast checker → · Palette generator →