#A43133#A43133

#A43133 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.7% C 0.151 H 23.8°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#A43133
RGB	rgb(164, 49, 51)
HSL	hsl(359, 54%, 42%)
HSV	hsv(359, 70%, 64%)
CMYK	cmyk(0%, 70.1%, 68.9%, 35.7%)
CIE-LAB	lab(38.43, 47.15, 26.11)
CIE-LCH	lch(38.43, 53.89, 28.98°)
OKLab	oklab(48.74% 0.1381 0.0609)
OKLCH	oklch(48.74% 0.151 23.8)
XYZ	xyz(17.0075, 10.3306, 4.2298)
Luminance	0.1033 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43133 #31A4A2

analogous

#A4316C #A43133 #A46931

triadic

#A43133 #33A431 #3133A4

tetradic

#A43133 #6CA431 #31A4A2 #6931A4

square

#A43133 #6CA431 #31A4A2 #6931A4

split-complementary

#A43133 #31A469 #316CA4

monochromatic

#461516 #752324 #A43133 #C9494C #D7797A

Accessibility & contrast

On white

6.85

#A43133 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#A43133 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43133

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43133	#FFFFFF	#000000	##FFFFFF
##A43133	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514B32

Deuteranopia (green-blind)

#6E6430

Tritanopia (blue-blind)

#B40E33

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a43133;
/* rgb */ color: rgb(164, 49, 51);
/* oklch */ color: oklch(48.7% 0.151 23.8);

Tailwind

colors: {
  custom: {
    50: '#c6716a',
    500: '#a43133',
    950: '#000000',
  },
}

SCSS

$custom: #a43133;
$custom-light: #c6716a;
$custom-dark: #000000;

JSON

{
  "hex": "#a43133",
  "rgb": {
    "r": 164,
    "g": 49,
    "b": 51
  },
  "hsl": {
    "h": 358.957,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48741,
    "c": 0.1509,
    "h": 23.8
  },
  "luminance": 0.10328
}

Semantic roles & 50–950 ramp

primary

#A43133

secondary

#72BFBE

accent

#DDDB4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A43133

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

Preview Lab → · Contrast checker → · Palette generator →