#A43028#A43028

#A43028 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.153 H 28.2°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#A43028
RGB	rgb(164, 48, 40)
HSL	hsl(4, 61%, 40%)
HSV	hsv(4, 76%, 64%)
CMYK	cmyk(0%, 70.7%, 75.6%, 35.7%)
CIE-LAB	lab(38.13, 47.01, 32.35)
CIE-LCH	lch(38.13, 57.06, 34.53°)
OKLab	oklab(48.47% 0.1353 0.0724)
OKLCH	oklch(48.47% 0.153 28.2)
XYZ	xyz(16.7517, 10.1621, 3.0865)
Luminance	0.1016 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43028 #289CA4

analogous

#A4285E #A43028 #A46E28

triadic

#A43028 #28A430 #3028A4

tetradic

#A43028 #5EA428 #289CA4 #6E28A4

square

#A43028 #5EA428 #289CA4 #6E28A4

split-complementary

#A43028 #28A46E #285EA4

monochromatic

#421310 #73221C #A43028 #CF443A #DB736B

Accessibility & contrast

On white

6.93

#A43028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#A43028 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43028

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43028	#FFFFFF	#000000	##FFFFFF
##A43028	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514A26

Deuteranopia (green-blind)

#6E6324

Tritanopia (blue-blind)

#B5052F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a43028;
/* rgb */ color: rgb(164, 48, 40);
/* oklch */ color: oklch(48.5% 0.153 28.2);

Tailwind

colors: {
  custom: {
    50: '#c77062',
    500: '#a43028',
    950: '#000000',
  },
}

SCSS

$custom: #a43028;
$custom-light: #c77062;
$custom-dark: #000000;

JSON

{
  "hex": "#a43028",
  "rgb": {
    "r": 164,
    "g": 48,
    "b": 40
  },
  "hsl": {
    "h": 3.871,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.4847,
    "c": 0.15342,
    "h": 28.2
  },
  "luminance": 0.1016
}

Semantic roles & 50–950 ramp

primary

#A43028

secondary

#66BCC1

accent

#DAE444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A43028

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

Preview Lab → · Contrast checker → · Palette generator →