#A1381D#A1381D

#A1381D is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.145 H 35.2°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A1381D
RGB	rgb(161, 56, 29)
HSL	hsl(12, 69%, 37%)
HSV	hsv(12, 82%, 63%)
CMYK	cmyk(0%, 65.2%, 82%, 36.9%)
CIE-LAB	lab(38.72, 42.14, 38.83)
CIE-LCH	lch(38.72, 57.30, 42.66°)
OKLab	oklab(48.77% 0.1183 0.0835)
OKLCH	oklch(48.77% 0.145 35.2)
XYZ	xyz(16.3357, 10.4965, 2.3280)
Luminance	0.1049 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1381D #1D86A1

analogous

#A11D44 #A1381D #A17A1D

triadic

#A1381D #1DA138 #381DA1

tetradic

#A1381D #44A11D #1D86A1 #7A1DA1

square

#A1381D #44A11D #1D86A1 #7A1DA1

split-complementary

#A1381D #1DA17A #1D44A1

monochromatic

#39140A #6D2614 #A1381D #D54A26 #E17458

Accessibility & contrast

On white

6.78

#A1381D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A1381D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1381D

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1381D	#FFFFFF	#000000	##FFFFFF
##A1381D	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)

#564C19

Deuteranopia (green-blind)

#706418

Tritanopia (blue-blind)

#B11B33

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a1381d;
/* rgb */ color: rgb(161, 56, 29);
/* oklch */ color: oklch(48.8% 0.145 35.2);

Tailwind

colors: {
  custom: {
    50: '#c5745b',
    500: '#a1381d',
    950: '#000000',
  },
}

SCSS

$custom: #a1381d;
$custom-light: #c5745b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1381d",
  "rgb": {
    "r": 161,
    "g": 56,
    "b": 29
  },
  "hsl": {
    "h": 12.273,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.48772,
    "c": 0.14478,
    "h": 35.2
  },
  "luminance": 0.10494
}

Semantic roles & 50–950 ramp

primary

#A1381D

secondary

#55AEC4

accent

#C8EC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A1381D

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

Preview Lab → · Contrast checker → · Palette generator →