#A0321F#A0321F

#A0321F is a mid, vivid red. Relative luminance 0.099; OKLCH L 47.9% C 0.149 H 32.2°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#A0321F
RGB	rgb(160, 50, 31)
HSL	hsl(9, 68%, 37%)
HSV	hsv(9, 81%, 63%)
CMYK	cmyk(0%, 68.8%, 80.6%, 37.3%)
CIE-LAB	lab(37.58, 44.46, 36.61)
CIE-LCH	lch(37.58, 57.59, 39.46°)
OKLab	oklab(47.89% 0.1259 0.0794)
OKLCH	oklch(47.89% 0.149 32.2)
XYZ	xyz(15.8869, 9.8561, 2.3619)
Luminance	0.0985 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0321F #1F8DA0

analogous

#A01F4D #A0321F #A0721F

triadic

#A0321F #1FA032 #321FA0

tetradic

#A0321F #4DA01F #1F8DA0 #721FA0

square

#A0321F #4DA01F #1F8DA0 #721FA0

split-complementary

#A0321F #1FA072 #1F4DA0

monochromatic

#39120B #6D2215 #A0321F #D34229 #DF6E5A

Accessibility & contrast

On white

7.07

#A0321F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#A0321F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0321F

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0321F	#FFFFFF	#000000	##FFFFFF
##A0321F	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491C

Deuteranopia (green-blind)

#6D611A

Tritanopia (blue-blind)

#B00D2F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a0321f;
/* rgb */ color: rgb(160, 50, 31);
/* oklch */ color: oklch(47.9% 0.149 32.2);

Tailwind

colors: {
  custom: {
    50: '#c4705c',
    500: '#a0321f',
    950: '#000000',
  },
}

SCSS

$custom: #a0321f;
$custom-light: #c4705c;
$custom-dark: #000000;

JSON

{
  "hex": "#a0321f",
  "rgb": {
    "r": 160,
    "g": 50,
    "b": 31
  },
  "hsl": {
    "h": 8.837,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4789,
    "c": 0.14887,
    "h": 32.2
  },
  "luminance": 0.09854
}

Semantic roles & 50–950 ramp

primary

#A0321F

secondary

#58B3C3

accent

#D1EA3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A0321F

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

Preview Lab → · Contrast checker → · Palette generator →