#A1331F#A1331F

#A1331F is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.2% C 0.149 H 32.6°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#A1331F
RGB	rgb(161, 51, 31)
HSL	hsl(9, 68%, 38%)
HSV	hsv(9, 81%, 63%)
CMYK	cmyk(0%, 68.3%, 80.7%, 36.9%)
CIE-LAB	lab(37.92, 44.39, 37.01)
CIE-LCH	lch(37.92, 57.80, 39.82°)
OKLab	oklab(48.18% 0.1256 0.0802)
OKLCH	oklch(48.18% 0.149 32.6)
XYZ	xyz(16.1309, 10.0461, 2.3858)
Luminance	0.1004 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1331F #1F8DA1

analogous

#A11F4C #A1331F #A1741F

triadic

#A1331F #1FA133 #331FA1

tetradic

#A1331F #4CA11F #1F8DA1 #741FA1

square

#A1331F #4CA11F #1F8DA1 #741FA1

split-complementary

#A1331F #1FA174 #1F4CA1

monochromatic

#3A120B #6E2315 #A1331F #D44329 #DF6F5B

Accessibility & contrast

On white

6.98

#A1331F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A1331F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1331F

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1331F	#FFFFFF	#000000	##FFFFFF
##A1331F	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1C

Deuteranopia (green-blind)

#6E621A

Tritanopia (blue-blind)

#B20F2F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a1331f;
/* rgb */ color: rgb(161, 51, 31);
/* oklch */ color: oklch(48.2% 0.149 32.6);

Tailwind

colors: {
  custom: {
    50: '#c5715c',
    500: '#a1331f',
    950: '#000000',
  },
}

SCSS

$custom: #a1331f;
$custom-light: #c5715c;
$custom-dark: #000000;

JSON

{
  "hex": "#a1331f",
  "rgb": {
    "r": 161,
    "g": 51,
    "b": 31
  },
  "hsl": {
    "h": 9.231,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.48181,
    "c": 0.14903,
    "h": 32.6
  },
  "luminance": 0.10044
}

Semantic roles & 50–950 ramp

primary

#A1331F

secondary

#58B3C4

accent

#D0EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A1331F

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

Preview Lab → · Contrast checker → · Palette generator →