#A43628#A43628

#A43628 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.148 H 30.3°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#A43628
RGB	rgb(164, 54, 40)
HSL	hsl(7, 61%, 40%)
HSV	hsv(7, 76%, 64%)
CMYK	cmyk(0%, 67.1%, 75.6%, 35.7%)
CIE-LAB	lab(39.05, 44.52, 33.36)
CIE-LCH	lch(39.05, 55.63, 36.85°)
OKLab	oklab(49.16% 0.1275 0.0746)
OKLCH	oklch(49.16% 0.148 30.3)
XYZ	xyz(17.0139, 10.6865, 3.1739)
Luminance	0.1068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43628 #2896A4

analogous

#A42858 #A43628 #A47428

triadic

#A43628 #28A436 #3628A4

tetradic

#A43628 #58A428 #2896A4 #7428A4

square

#A43628 #58A428 #2896A4 #7428A4

split-complementary

#A43628 #28A474 #2858A4

monochromatic

#421610 #73261C #A43628 #CF4B3A #DB786B

Accessibility & contrast

On white

6.69

#A43628 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A43628 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43628

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43628	#FFFFFF	#000000	##FFFFFF
##A43628	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D26

Deuteranopia (green-blind)

#706524

Tritanopia (blue-blind)

#B51733

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a43628;
/* rgb */ color: rgb(164, 54, 40);
/* oklch */ color: oklch(49.2% 0.148 30.3);

Tailwind

colors: {
  custom: {
    50: '#c77363',
    500: '#a43628',
    950: '#000000',
  },
}

SCSS

$custom: #a43628;
$custom-light: #c77363;
$custom-dark: #000000;

JSON

{
  "hex": "#a43628",
  "rgb": {
    "r": 164,
    "g": 54,
    "b": 40
  },
  "hsl": {
    "h": 6.774,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.49156,
    "c": 0.14769,
    "h": 30.3
  },
  "luminance": 0.10684
}

Semantic roles & 50–950 ramp

primary

#A43628

secondary

#66B7C1

accent

#D2E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A43628

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

Preview Lab → · Contrast checker → · Palette generator →