#AB3738#AB3738

#AB3738 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.152 H 23.9°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#AB3738
RGB	rgb(171, 55, 56)
HSL	hsl(359, 51%, 44%)
HSV	hsv(359, 68%, 67%)
CMYK	cmyk(0%, 67.8%, 67.3%, 32.9%)
CIE-LAB	lab(40.70, 47.32, 26.14)
CIE-LCH	lch(40.70, 54.06, 28.91°)
OKLab	oklab(50.7% 0.1388 0.0614)
OKLCH	oklch(50.7% 0.152 23.9)
XYZ	xyz(18.8765, 11.6785, 5.0008)
Luminance	0.1168 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AB3738 #37ABAA

analogous

#AB3772 #AB3738 #AB7037

triadic

#AB3738 #38AB37 #3738AB

tetradic

#AB3738 #72AB37 #37ABAA #7037AB

square

#AB3738 #72AB37 #37ABAA #7037AB

split-complementary

#AB3738 #37AB70 #3772AB

monochromatic

#4E191A #7D2829 #AB3738 #C95657 #D88585

Accessibility & contrast

On white

6.30

#AB3738 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#AB3738 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AB3738

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AB3738	#FFFFFF	#000000	##FFFFFF
##AB3738	1.00	6.30	3.34	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565037

Deuteranopia (green-blind)

#746935

Tritanopia (blue-blind)

#BC1939

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ab3738;
/* rgb */ color: rgb(171, 55, 56);
/* oklch */ color: oklch(50.7% 0.152 23.9);

Tailwind

colors: {
  custom: {
    50: '#cb756e',
    500: '#ab3738',
    950: '#000000',
  },
}

SCSS

$custom: #ab3738;
$custom-light: #cb756e;
$custom-dark: #000000;

JSON

{
  "hex": "#ab3738",
  "rgb": {
    "r": 171,
    "g": 55,
    "b": 56
  },
  "hsl": {
    "h": 359.483,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50704,
    "c": 0.15175,
    "h": 23.9
  },
  "luminance": 0.11676
}

Semantic roles & 50–950 ramp

primary

#AB3738

secondary

#7CC1C1

accent

#DBDA4D

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AB3738

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

Preview Lab → · Contrast checker → · Palette generator →