#AB3831#AB3831

#AB3831 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.152 H 27.3°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#AB3831
RGB	rgb(171, 56, 49)
HSL	hsl(3, 55%, 43%)
HSV	hsv(3, 71%, 67%)
CMYK	cmyk(0%, 67.3%, 71.3%, 32.9%)
CIE-LAB	lab(40.75, 46.52, 30.39)
CIE-LCH	lch(40.75, 55.57, 33.16°)
OKLab	oklab(50.71% 0.1348 0.0697)
OKLCH	oklch(50.71% 0.152 27.3)
XYZ	xyz(18.7651, 11.7107, 4.1774)
Luminance	0.1171 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AB3831 #31A4AB

analogous

#AB3167 #AB3831 #AB7531

triadic

#AB3831 #31AB38 #3831AB

tetradic

#AB3831 #67AB31 #31A4AB #7531AB

square

#AB3831 #67AB31 #31A4AB #7531AB

split-complementary

#AB3831 #31AB75 #3167AB

monochromatic

#4C1916 #7B2823 #AB3831 #CC544D #DA827D

Accessibility & contrast

On white

6.28

#AB3831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#AB3831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AB3831

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AB3831	#FFFFFF	#000000	##FFFFFF
##AB3831	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502F

Deuteranopia (green-blind)

#75692D

Tritanopia (blue-blind)

#BC1837

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ab3831;
/* rgb */ color: rgb(171, 56, 49);
/* oklch */ color: oklch(50.7% 0.152 27.3);

Tailwind

colors: {
  custom: {
    50: '#cb7569',
    500: '#ab3831',
    950: '#000000',
  },
}

SCSS

$custom: #ab3831;
$custom-light: #cb7569;
$custom-dark: #000000;

JSON

{
  "hex": "#ab3831",
  "rgb": {
    "r": 171,
    "g": 56,
    "b": 49
  },
  "hsl": {
    "h": 3.443,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.5071,
    "c": 0.15174,
    "h": 27.3
  },
  "luminance": 0.11708
}

Semantic roles & 50–950 ramp

primary

#AB3831

secondary

#75BEC2

accent

#D6DF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AB3831

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

Preview Lab → · Contrast checker → · Palette generator →