#A43528#A43528

#A43528 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.0% C 0.149 H 30.0°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#A43528
RGB	rgb(164, 53, 40)
HSL	hsl(6, 61%, 40%)
HSV	hsv(6, 76%, 64%)
CMYK	cmyk(0%, 67.7%, 75.6%, 35.7%)
CIE-LAB	lab(38.89, 44.95, 33.18)
CIE-LCH	lch(38.89, 55.87, 36.44°)
OKLab	oklab(49.04% 0.1288 0.0742)
OKLCH	oklch(49.04% 0.149 30)
XYZ	xyz(16.9678, 10.5944, 3.1585)
Luminance	0.1059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43528 #2897A4

analogous

#A42859 #A43528 #A47328

triadic

#A43528 #28A435 #3528A4

tetradic

#A43528 #59A428 #2897A4 #7328A4

square

#A43528 #59A428 #2897A4 #7328A4

split-complementary

#A43528 #28A473 #2859A4

monochromatic

#421510 #73251C #A43528 #CF4A3A #DB776B

Accessibility & contrast

On white

6.73

#A43528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A43528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43528

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43528	#FFFFFF	#000000	##FFFFFF
##A43528	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C26

Deuteranopia (green-blind)

#706524

Tritanopia (blue-blind)

#B51433

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a43528;
/* rgb */ color: rgb(164, 53, 40);
/* oklch */ color: oklch(49.0% 0.149 30.0);

Tailwind

colors: {
  custom: {
    50: '#c77363',
    500: '#a43528',
    950: '#000000',
  },
}

SCSS

$custom: #a43528;
$custom-light: #c77363;
$custom-dark: #000000;

JSON

{
  "hex": "#a43528",
  "rgb": {
    "r": 164,
    "g": 53,
    "b": 40
  },
  "hsl": {
    "h": 6.29,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.49037,
    "c": 0.14865,
    "h": 30
  },
  "luminance": 0.10592
}

Semantic roles & 50–950 ramp

primary

#A43528

secondary

#66B8C1

accent

#D3E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A43528

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

Preview Lab → · Contrast checker → · Palette generator →