#A43838#A43838

#A43838 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.143 H 23.9°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#A43838
RGB	rgb(164, 56, 56)
HSL	hsl(0, 49%, 43%)
HSV	hsv(0, 66%, 64%)
CMYK	cmyk(0%, 65.9%, 65.9%, 35.7%)
CIE-LAB	lab(39.60, 44.49, 24.49)
CIE-LCH	lch(39.60, 50.78, 28.83°)
OKLab	oklab(49.64% 0.1307 0.058)
OKLCH	oklch(49.64% 0.143 23.9)
XYZ	xyz(17.4396, 11.0088, 4.9472)
Luminance	0.1101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43838 #38A4A4

analogous

#A4386E #A43838 #A46E38

triadic

#A43838 #38A438 #3838A4

tetradic

#A43838 #6EA438 #38A4A4 #6E38A4

square

#A43838 #6EA438 #38A4A4 #6E38A4

split-complementary

#A43838 #38A46E #386EA4

monochromatic

#491919 #762828 #A43838 #C55454 #D48282

Accessibility & contrast

On white

6.56

#A43838 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A43838 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43838

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43838	#FFFFFF	#000000	##FFFFFF
##A43838	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F37

Deuteranopia (green-blind)

#706635

Tritanopia (blue-blind)

#B41F39

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a43838;
/* rgb */ color: rgb(164, 56, 56);
/* oklch */ color: oklch(49.6% 0.143 23.9);

Tailwind

colors: {
  custom: {
    50: '#c6746e',
    500: '#a43838',
    950: '#000000',
  },
}

SCSS

$custom: #a43838;
$custom-light: #c6746e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43838",
  "rgb": {
    "r": 164,
    "g": 56,
    "b": 56
  },
  "hsl": {
    "h": 0,
    "s": 49.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4964,
    "c": 0.14296,
    "h": 23.9
  },
  "luminance": 0.11006
}

Semantic roles & 50–950 ramp

primary

#A43838

secondary

#7ABEBE

accent

#D9D94F

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140907

muted

#837B7A

Preview Lab

Preview with #A43838

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

Preview Lab → · Contrast checker → · Palette generator →