#A1321B#A1321B

#A1321B is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.0% C 0.151 H 33.4°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#A1321B
RGB	rgb(161, 50, 27)
HSL	hsl(10, 71%, 37%)
HSV	hsv(10, 83%, 63%)
CMYK	cmyk(0%, 68.9%, 83.2%, 36.9%)
CIE-LAB	lab(37.73, 44.68, 38.92)
CIE-LCH	lch(37.73, 59.26, 41.05°)
OKLab	oklab(48.03% 0.1258 0.083)
OKLCH	oklch(48.03% 0.151 33.4)
XYZ	xyz(16.0382, 9.9398, 2.1108)
Luminance	0.0994 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1321B #1B8AA1

analogous

#A11B47 #A1321B #A1751B

triadic

#A1321B #1BA132 #321BA1

tetradic

#A1321B #47A11B #1B8AA1 #751BA1

square

#A1321B #47A11B #1B8AA1 #751BA1

split-complementary

#A1321B #1BA175 #1B47A1

monochromatic

#381109 #6D2212 #A1321B #D54224 #E26C54

Accessibility & contrast

On white

7.03

#A1321B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#A1321B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1321B

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1321B	#FFFFFF	#000000	##FFFFFF
##A1321B	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534917

Deuteranopia (green-blind)

#6E6216

Tritanopia (blue-blind)

#B20B2E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a1321b;
/* rgb */ color: rgb(161, 50, 27);
/* oklch */ color: oklch(48.0% 0.151 33.4);

Tailwind

colors: {
  custom: {
    50: '#c5705a',
    500: '#a1321b',
    950: '#000000',
  },
}

SCSS

$custom: #a1321b;
$custom-light: #c5705a;
$custom-dark: #000000;

JSON

{
  "hex": "#a1321b",
  "rgb": {
    "r": 161,
    "g": 50,
    "b": 27
  },
  "hsl": {
    "h": 10.299,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.48026,
    "c": 0.15069,
    "h": 33.4
  },
  "luminance": 0.09937
}

Semantic roles & 50–950 ramp

primary

#A1321B

secondary

#52B2C5

accent

#CFEE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A1321B

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

Preview Lab → · Contrast checker → · Palette generator →