#A43231#A43231

#A43231 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.8% C 0.150 H 25.1°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#A43231
RGB	rgb(164, 50, 49)
HSL	hsl(1, 54%, 42%)
HSV	hsv(1, 70%, 64%)
CMYK	cmyk(0%, 69.5%, 70.1%, 35.7%)
CIE-LAB	lab(38.55, 46.63, 27.47)
CIE-LCH	lch(38.55, 54.12, 30.50°)
OKLab	oklab(48.82% 0.136 0.0636)
OKLCH	oklch(48.82% 0.15 25.1)
XYZ	xyz(17.0066, 10.3979, 4.0166)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43231 #31A3A4

analogous

#A4316A #A43231 #A46C31

triadic

#A43231 #31A432 #3231A4

tetradic

#A43231 #6AA431 #31A3A4 #6C31A4

square

#A43231 #6AA431 #31A3A4 #6C31A4

split-complementary

#A43231 #31A46C #316AA4

monochromatic

#461515 #752423 #A43231 #C94B49 #D77979

Accessibility & contrast

On white

6.82

#A43231 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A43231 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43231

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43231	#FFFFFF	#000000	##FFFFFF
##A43231	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524B30

Deuteranopia (green-blind)

#6E642D

Tritanopia (blue-blind)

#B41033

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a43231;
/* rgb */ color: rgb(164, 50, 49);
/* oklch */ color: oklch(48.8% 0.150 25.1);

Tailwind

colors: {
  custom: {
    50: '#c67169',
    500: '#a43231',
    950: '#000000',
  },
}

SCSS

$custom: #a43231;
$custom-light: #c67169;
$custom-dark: #000000;

JSON

{
  "hex": "#a43231",
  "rgb": {
    "r": 164,
    "g": 50,
    "b": 49
  },
  "hsl": {
    "h": 0.522,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4882,
    "c": 0.15014,
    "h": 25.1
  },
  "luminance": 0.10395
}

Semantic roles & 50–950 ramp

primary

#A43231

secondary

#72BFBF

accent

#DCDD4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A43231

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

Preview Lab → · Contrast checker → · Palette generator →