#AB3729#AB3729

#AB3729 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.5% C 0.154 H 30.1°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#AB3729
RGB	rgb(171, 55, 41)
HSL	hsl(6, 61%, 42%)
HSV	hsv(6, 76%, 67%)
CMYK	cmyk(0%, 67.8%, 76%, 32.9%)
CIE-LAB	lab(40.50, 46.57, 34.74)
CIE-LCH	lch(40.50, 58.10, 36.72°)
OKLab	oklab(50.49% 0.1333 0.0774)
OKLCH	oklch(50.49% 0.154 30.1)
XYZ	xyz(18.5631, 11.5531, 3.3499)
Luminance	0.1155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AB3729 #299DAB

analogous

#AB295C #AB3729 #AB7829

triadic

#AB3729 #29AB37 #3729AB

tetradic

#AB3729 #5CAB29 #299DAB #7829AB

square

#AB3729 #5CAB29 #299DAB #7829AB

split-complementary

#AB3729 #29AB78 #295CAB

monochromatic

#481711 #7A271D #AB3729 #D15040 #DD7D71

Accessibility & contrast

On white

6.34

#AB3729 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AB3729 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AB3729

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AB3729	#FFFFFF	#000000	##FFFFFF
##AB3729	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F27

Deuteranopia (green-blind)

#756925

Tritanopia (blue-blind)

#BC1435

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ab3729;
/* rgb */ color: rgb(171, 55, 41);
/* oklch */ color: oklch(50.5% 0.154 30.1);

Tailwind

colors: {
  custom: {
    50: '#cc7464',
    500: '#ab3729',
    950: '#000000',
  },
}

SCSS

$custom: #ab3729;
$custom-light: #cc7464;
$custom-dark: #000000;

JSON

{
  "hex": "#ab3729",
  "rgb": {
    "r": 171,
    "g": 55,
    "b": 41
  },
  "hsl": {
    "h": 6.462,
    "s": 61.321,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50486,
    "c": 0.15413,
    "h": 30.1
  },
  "luminance": 0.1155
}

Semantic roles & 50–950 ramp

primary

#AB3729

secondary

#6CBBC4

accent

#D3E443

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AB3729

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

Preview Lab → · Contrast checker → · Palette generator →