#AB3131#AB3131

#AB3131 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.9% C 0.159 H 25.0°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#AB3131
RGB	rgb(171, 49, 49)
HSL	hsl(0, 55%, 43%)
HSV	hsv(0, 71%, 67%)
CMYK	cmyk(0%, 71.3%, 71.3%, 32.9%)
CIE-LAB	lab(39.71, 49.36, 29.17)
CIE-LCH	lch(39.71, 57.34, 30.59°)
OKLab	oklab(49.93% 0.1437 0.067)
OKLCH	oklch(49.93% 0.159 25)
XYZ	xyz(18.4493, 11.0790, 4.0721)
Luminance	0.1108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AB3131 #31ABAB

analogous

#AB316E #AB3131 #AB6E31

triadic

#AB3131 #31AB31 #3131AB

tetradic

#AB3131 #6EAB31 #31ABAB #6E31AB

square

#AB3131 #6EAB31 #31ABAB #6E31AB

split-complementary

#AB3131 #31AB6E #316EAB

monochromatic

#4C1616 #7B2323 #AB3131 #CC4D4D #DA7D7D

Accessibility & contrast

On white

6.53

#AB3131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#AB3131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AB3131

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AB3131	#FFFFFF	#000000	##FFFFFF
##AB3131	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D30

Deuteranopia (green-blind)

#72672D

Tritanopia (blue-blind)

#BC0432

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ab3131;
/* rgb */ color: rgb(171, 49, 49);
/* oklch */ color: oklch(49.9% 0.159 25.0);

Tailwind

colors: {
  custom: {
    50: '#cc7269',
    500: '#ab3131',
    950: '#000000',
  },
}

SCSS

$custom: #ab3131;
$custom-light: #cc7269;
$custom-dark: #000000;

JSON

{
  "hex": "#ab3131",
  "rgb": {
    "r": 171,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49932,
    "c": 0.15859,
    "h": 25
  },
  "luminance": 0.11076
}

Semantic roles & 50–950 ramp

primary

#AB3131

secondary

#75C2C2

accent

#DFDF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AB3131

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

Preview Lab → · Contrast checker → · Palette generator →