#A1381F#A1381F

#A1381F is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.144 H 34.6°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#A1381F
RGB	rgb(161, 56, 31)
HSL	hsl(12, 68%, 38%)
HSV	hsv(12, 81%, 63%)
CMYK	cmyk(0%, 65.2%, 80.7%, 36.9%)
CIE-LAB	lab(38.74, 42.20, 37.81)
CIE-LCH	lch(38.74, 56.67, 41.86°)
OKLab	oklab(48.79% 0.1188 0.082)
OKLCH	oklch(48.79% 0.144 34.6)
XYZ	xyz(16.3613, 10.5067, 2.4625)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1381F #1F88A1

analogous

#A11F47 #A1381F #A1791F

triadic

#A1381F #1FA138 #381FA1

tetradic

#A1381F #47A11F #1F88A1 #791FA1

square

#A1381F #47A11F #1F88A1 #791FA1

split-complementary

#A1381F #1FA179 #1F47A1

monochromatic

#3A140B #6E2615 #A1381F #D44A29 #DF745B

Accessibility & contrast

On white

6.77

#A1381F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A1381F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1381F

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1381F	#FFFFFF	#000000	##FFFFFF
##A1381F	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)

#564D1B

Deuteranopia (green-blind)

#70641B

Tritanopia (blue-blind)

#B11B33

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a1381f;
/* rgb */ color: rgb(161, 56, 31);
/* oklch */ color: oklch(48.8% 0.144 34.6);

Tailwind

colors: {
  custom: {
    50: '#c5745d',
    500: '#a1381f',
    950: '#000000',
  },
}

SCSS

$custom: #a1381f;
$custom-light: #c5745d;
$custom-dark: #000000;

JSON

{
  "hex": "#a1381f",
  "rgb": {
    "r": 161,
    "g": 56,
    "b": 31
  },
  "hsl": {
    "h": 11.538,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.48791,
    "c": 0.14435,
    "h": 34.6
  },
  "luminance": 0.10504
}

Semantic roles & 50–950 ramp

primary

#A1381F

secondary

#58AFC4

accent

#C9EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A1381F

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

Preview Lab → · Contrast checker → · Palette generator →