#A1331D#A1331D

#A1331D is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.2% C 0.149 H 33.2°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#A1331D
RGB	rgb(161, 51, 29)
HSL	hsl(10, 69%, 37%)
HSV	hsv(10, 82%, 63%)
CMYK	cmyk(0%, 68.3%, 82%, 36.9%)
CIE-LAB	lab(37.91, 44.33, 38.05)
CIE-LCH	lch(37.91, 58.42, 40.64°)
OKLab	oklab(48.16% 0.125 0.0818)
OKLCH	oklch(48.16% 0.149 33.2)
XYZ	xyz(16.1054, 10.0358, 2.2512)
Luminance	0.1003 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1331D #1D8BA1

analogous

#A11D49 #A1331D #A1751D

triadic

#A1331D #1DA133 #331DA1

tetradic

#A1331D #49A11D #1D8BA1 #751DA1

square

#A1331D #49A11D #1D8BA1 #751DA1

split-complementary

#A1331D #1DA175 #1D49A1

monochromatic

#39120A #6D2314 #A1331D #D54326 #E16E58

Accessibility & contrast

On white

6.98

#A1331D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A1331D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1331D

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1331D	#FFFFFF	#000000	##FFFFFF
##A1331D	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)

#534A19

Deuteranopia (green-blind)

#6E6218

Tritanopia (blue-blind)

#B20F2F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a1331d;
/* rgb */ color: rgb(161, 51, 29);
/* oklch */ color: oklch(48.2% 0.149 33.2);

Tailwind

colors: {
  custom: {
    50: '#c5715b',
    500: '#a1331d',
    950: '#000000',
  },
}

SCSS

$custom: #a1331d;
$custom-light: #c5715b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1331d",
  "rgb": {
    "r": 161,
    "g": 51,
    "b": 29
  },
  "hsl": {
    "h": 10,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.48161,
    "c": 0.14941,
    "h": 33.2
  },
  "luminance": 0.10033
}

Semantic roles & 50–950 ramp

primary

#A1331D

secondary

#55B2C4

accent

#CFEC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A1331D

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

Preview Lab → · Contrast checker → · Palette generator →