#AB3828#AB3828

#AB3828 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.153 H 30.9°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#AB3828
RGB	rgb(171, 56, 40)
HSL	hsl(7, 62%, 41%)
HSV	hsv(7, 77%, 67%)
CMYK	cmyk(0%, 67.3%, 76.6%, 32.9%)
CIE-LAB	lab(40.64, 46.11, 35.46)
CIE-LCH	lch(40.64, 58.17, 37.56°)
OKLab	oklab(50.59% 0.1316 0.0787)
OKLCH	oklch(50.59% 0.153 30.9)
XYZ	xyz(18.5938, 11.6422, 3.2752)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AB3828 #289BAB

analogous

#AB285A #AB3828 #AB7A28

triadic

#AB3828 #28AB38 #3828AB

tetradic

#AB3828 #5AAB28 #289BAB #7A28AB

square

#AB3828 #5AAB28 #289BAB #7A28AB

split-complementary

#AB3828 #28AB7A #285AAB

monochromatic

#481811 #79281C #AB3828 #D2503E #DE7D70

Accessibility & contrast

On white

6.31

#AB3828 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#AB3828 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AB3828

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AB3828	#FFFFFF	#000000	##FFFFFF
##AB3828	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595025

Deuteranopia (green-blind)

#756924

Tritanopia (blue-blind)

#BC1635

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ab3828;
/* rgb */ color: rgb(171, 56, 40);
/* oklch */ color: oklch(50.6% 0.153 30.9);

Tailwind

colors: {
  custom: {
    50: '#cc7563',
    500: '#ab3828',
    950: '#000000',
  },
}

SCSS

$custom: #ab3828;
$custom-light: #cc7563;
$custom-dark: #000000;

JSON

{
  "hex": "#ab3828",
  "rgb": {
    "r": 171,
    "g": 56,
    "b": 40
  },
  "hsl": {
    "h": 7.328,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50591,
    "c": 0.15337,
    "h": 30.9
  },
  "luminance": 0.11639
}

Semantic roles & 50–950 ramp

primary

#AB3828

secondary

#6AB9C4

accent

#D1E543

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AB3828

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

Preview Lab → · Contrast checker → · Palette generator →