#A43128#A43128

#A43128 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.6% C 0.152 H 28.5°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#A43128
RGB	rgb(164, 49, 40)
HSL	hsl(4, 61%, 40%)
HSV	hsv(4, 76%, 64%)
CMYK	cmyk(0%, 70.1%, 75.6%, 35.7%)
CIE-LAB	lab(38.28, 46.61, 32.51)
CIE-LCH	lch(38.28, 56.83, 34.90°)
OKLab	oklab(48.58% 0.134 0.0728)
OKLCH	oklch(48.58% 0.152 28.5)
XYZ	xyz(16.7930, 10.2448, 3.1003)
Luminance	0.1024 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43128 #289BA4

analogous

#A4285D #A43128 #A46F28

triadic

#A43128 #28A431 #3128A4

tetradic

#A43128 #5DA428 #289BA4 #6F28A4

square

#A43128 #5DA428 #289BA4 #6F28A4

split-complementary

#A43128 #28A46F #285DA4

monochromatic

#421410 #73221C #A43128 #CF453A #DB746B

Accessibility & contrast

On white

6.89

#A43128 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#A43128 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43128

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43128	#FFFFFF	#000000	##FFFFFF
##A43128	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A26

Deuteranopia (green-blind)

#6F6324

Tritanopia (blue-blind)

#B50930

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a43128;
/* rgb */ color: rgb(164, 49, 40);
/* oklch */ color: oklch(48.6% 0.152 28.5);

Tailwind

colors: {
  custom: {
    50: '#c77062',
    500: '#a43128',
    950: '#000000',
  },
}

SCSS

$custom: #a43128;
$custom-light: #c77062;
$custom-dark: #000000;

JSON

{
  "hex": "#a43128",
  "rgb": {
    "r": 164,
    "g": 49,
    "b": 40
  },
  "hsl": {
    "h": 4.355,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.4858,
    "c": 0.15249,
    "h": 28.5
  },
  "luminance": 0.10242
}

Semantic roles & 50–950 ramp

primary

#A43128

secondary

#66BBC1

accent

#D8E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A43128

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

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