#AB3837#AB3837

#AB3837 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.8% C 0.151 H 24.7°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#AB3837
RGB	rgb(171, 56, 55)
HSL	hsl(1, 51%, 44%)
HSV	hsv(1, 68%, 67%)
CMYK	cmyk(0%, 67.3%, 67.8%, 32.9%)
CIE-LAB	lab(40.84, 46.84, 26.91)
CIE-LCH	lch(40.84, 54.02, 29.88°)
OKLab	oklab(50.8% 0.1371 0.063)
OKLCH	oklch(50.8% 0.151 24.7)
XYZ	xyz(18.9003, 11.7648, 4.8893)
Luminance	0.1176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AB3837 #37AAAB

analogous

#AB3770 #AB3837 #AB7237

triadic

#AB3837 #37AB38 #3837AB

tetradic

#AB3837 #70AB37 #37AAAB #7237AB

square

#AB3837 #70AB37 #37AAAB #7237AB

split-complementary

#AB3837 #37AB72 #3770AB

monochromatic

#4E1A19 #7D2928 #AB3837 #C95756 #D88585

Accessibility & contrast

On white

6.26

#AB3837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#AB3837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AB3837

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AB3837	#FFFFFF	#000000	##FFFFFF
##AB3837	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575136

Deuteranopia (green-blind)

#746934

Tritanopia (blue-blind)

#BC1A39

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ab3837;
/* rgb */ color: rgb(171, 56, 55);
/* oklch */ color: oklch(50.8% 0.151 24.7);

Tailwind

colors: {
  custom: {
    50: '#cb756e',
    500: '#ab3837',
    950: '#000000',
  },
}

SCSS

$custom: #ab3837;
$custom-light: #cb756e;
$custom-dark: #000000;

JSON

{
  "hex": "#ab3837",
  "rgb": {
    "r": 171,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.517,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50803,
    "c": 0.15084,
    "h": 24.7
  },
  "luminance": 0.11762
}

Semantic roles & 50–950 ramp

primary

#AB3837

secondary

#7CC1C1

accent

#DADB4D

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AB3837

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

Preview Lab → · Contrast checker → · Palette generator →