#AB3637#AB3637

#AB3637 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.153 H 24.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#AB3637
RGB	rgb(171, 54, 55)
HSL	hsl(359, 52%, 44%)
HSV	hsv(359, 68%, 67%)
CMYK	cmyk(0%, 68.4%, 67.8%, 32.9%)
CIE-LAB	lab(40.53, 47.68, 26.54)
CIE-LCH	lch(40.53, 54.57, 29.10°)
OKLab	oklab(50.57% 0.1397 0.0622)
OKLCH	oklch(50.57% 0.153 24)
XYZ	xyz(18.8053, 11.5748, 4.8576)
Luminance	0.1157 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AB3637 #36ABAA

analogous

#AB3672 #AB3637 #AB7036

triadic

#AB3637 #37AB36 #3637AB

tetradic

#AB3637 #72AB36 #36ABAA #7036AB

square

#AB3637 #72AB36 #36ABAA #7036AB

split-complementary

#AB3637 #36AB70 #3672AB

monochromatic

#4E1919 #7C2728 #AB3637 #C95556 #D88384

Accessibility & contrast

On white

6.34

#AB3637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AB3637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AB3637

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AB3637	#FFFFFF	#000000	##FFFFFF
##AB3637	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)

#565036

Deuteranopia (green-blind)

#736934

Tritanopia (blue-blind)

#BC1638

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ab3637;
/* rgb */ color: rgb(171, 54, 55);
/* oklch */ color: oklch(50.6% 0.153 24.0);

Tailwind

colors: {
  custom: {
    50: '#cb746e',
    500: '#ab3637',
    950: '#000000',
  },
}

SCSS

$custom: #ab3637;
$custom-light: #cb746e;
$custom-dark: #000000;

JSON

{
  "hex": "#ab3637",
  "rgb": {
    "r": 171,
    "g": 54,
    "b": 55
  },
  "hsl": {
    "h": 359.487,
    "s": 52,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50573,
    "c": 0.15291,
    "h": 24
  },
  "luminance": 0.11572
}

Semantic roles & 50–950 ramp

primary

#AB3637

secondary

#7BC2C1

accent

#DBDA4C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AB3637

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

Preview Lab → · Contrast checker → · Palette generator →