#A4321F#A4321F

#A4321F is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.6% C 0.153 H 32.0°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#A4321F
RGB	rgb(164, 50, 31)
HSL	hsl(9, 68%, 38%)
HSV	hsv(9, 81%, 64%)
CMYK	cmyk(0%, 69.5%, 81.1%, 35.7%)
CIE-LAB	lab(38.33, 45.86, 37.60)
CIE-LCH	lch(38.33, 59.30, 39.35°)
OKLab	oklab(48.59% 0.1298 0.0812)
OKLCH	oklch(48.59% 0.153 32)
XYZ	xyz(16.6997, 10.2752, 2.4000)
Luminance	0.1027 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4321F #1F91A4

analogous

#A41F4F #A4321F #A4741F

triadic

#A4321F #1FA432 #321FA4

tetradic

#A4321F #4FA41F #1F91A4 #741FA4

square

#A4321F #4FA41F #1F91A4 #741FA4

split-complementary

#A4321F #1FA474 #1F4FA4

monochromatic

#3D130C #712215 #A4321F #D7422A #E0705D

Accessibility & contrast

On white

6.87

#A4321F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#A4321F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4321F

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4321F	#FFFFFF	#000000	##FFFFFF
##A4321F	1.00	6.87	3.05	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1C

Deuteranopia (green-blind)

#70631A

Tritanopia (blue-blind)

#B5092F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a4321f;
/* rgb */ color: rgb(164, 50, 31);
/* oklch */ color: oklch(48.6% 0.153 32.0);

Tailwind

colors: {
  custom: {
    50: '#c7715c',
    500: '#a4321f',
    950: '#000000',
  },
}

SCSS

$custom: #a4321f;
$custom-light: #c7715c;
$custom-dark: #000000;

JSON

{
  "hex": "#a4321f",
  "rgb": {
    "r": 164,
    "g": 50,
    "b": 31
  },
  "hsl": {
    "h": 8.571,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.4859,
    "c": 0.15314,
    "h": 32
  },
  "luminance": 0.10273
}

Semantic roles & 50–950 ramp

primary

#A4321F

secondary

#5AB5C5

accent

#D2EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A4321F

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

Preview Lab → · Contrast checker → · Palette generator →