#A4321C#A4321C

#A4321C is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.6% C 0.154 H 32.9°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#A4321C
RGB	rgb(164, 50, 28)
HSL	hsl(10, 71%, 38%)
HSV	hsv(10, 83%, 64%)
CMYK	cmyk(0%, 69.5%, 82.9%, 35.7%)
CIE-LAB	lab(38.31, 45.76, 39.14)
CIE-LCH	lch(38.31, 60.22, 40.55°)
OKLab	oklab(48.56% 0.129 0.0836)
OKLCH	oklch(48.56% 0.154 32.9)
XYZ	xyz(16.6620, 10.2601, 2.2014)
Luminance	0.1026 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4321C #1C8EA4

analogous

#A41C4A #A4321C #A4761C

triadic

#A4321C #1CA432 #321CA4

tetradic

#A4321C #4AA41C #1C8EA4 #761CA4

square

#A4321C #4AA41C #1C8EA4 #761CA4

split-complementary

#A4321C #1CA476 #1C4AA4

monochromatic

#3B120A #702213 #A4321C #D84225 #E26E58

Accessibility & contrast

On white

6.88

#A4321C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#A4321C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4321C

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4321C	#FFFFFF	#000000	##FFFFFF
##A4321C	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A18

Deuteranopia (green-blind)

#706316

Tritanopia (blue-blind)

#B5082E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a4321c;
/* rgb */ color: rgb(164, 50, 28);
/* oklch */ color: oklch(48.6% 0.154 32.9);

Tailwind

colors: {
  custom: {
    50: '#c8715a',
    500: '#a4321c',
    950: '#000000',
  },
}

SCSS

$custom: #a4321c;
$custom-light: #c8715a;
$custom-dark: #000000;

JSON

{
  "hex": "#a4321c",
  "rgb": {
    "r": 164,
    "g": 50,
    "b": 28
  },
  "hsl": {
    "h": 9.706,
    "s": 70.833,
    "l": 37.647
  },
  "oklch": {
    "l": 0.48561,
    "c": 0.15368,
    "h": 32.9
  },
  "luminance": 0.10258
}

Semantic roles & 50–950 ramp

primary

#A4321C

secondary

#56B4C6

accent

#D1EE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A4321C

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

Preview Lab → · Contrast checker → · Palette generator →