#A53B37#A53B37

#A53B37 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.2% C 0.141 H 25.7°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#A53B37
RGB	rgb(165, 59, 55)
HSL	hsl(2, 50%, 43%)
HSV	hsv(2, 67%, 65%)
CMYK	cmyk(0%, 64.2%, 66.7%, 35.3%)
CIE-LAB	lab(40.26, 43.44, 25.95)
CIE-LCH	lch(40.26, 50.60, 30.86°)
OKLab	oklab(50.16% 0.1271 0.0611)
OKLCH	oklch(50.16% 0.141 25.7)
XYZ	xyz(17.7724, 11.4055, 4.8793)
Luminance	0.1140 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53B37 #37A1A5

analogous

#A5376A #A53B37 #A57237

triadic

#A53B37 #37A53B #3B37A5

tetradic

#A53B37 #6AA537 #37A1A5 #7237A5

square

#A53B37 #6AA537 #37A1A5 #7237A5

split-complementary

#A53B37 #37A572 #376AA5

monochromatic

#491A18 #772B28 #A53B37 #C65853 #D58481

Accessibility & contrast

On white

6.40

#A53B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A53B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53B37

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53B37	#FFFFFF	#000000	##FFFFFF
##A53B37	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575136

Deuteranopia (green-blind)

#726734

Tritanopia (blue-blind)

#B5233B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a53b37;
/* rgb */ color: rgb(165, 59, 55);
/* oklch */ color: oklch(50.2% 0.141 25.7);

Tailwind

colors: {
  custom: {
    50: '#c6766e',
    500: '#a53b37',
    950: '#000000',
  },
}

SCSS

$custom: #a53b37;
$custom-light: #c6766e;
$custom-dark: #000000;

JSON

{
  "hex": "#a53b37",
  "rgb": {
    "r": 165,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 2.182,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50163,
    "c": 0.14097,
    "h": 25.7
  },
  "luminance": 0.11403
}

Semantic roles & 50–950 ramp

primary

#A53B37

secondary

#79BCBF

accent

#D4DA4E

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140907

muted

#837B7A

Preview Lab

Preview with #A53B37

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

Preview Lab → · Contrast checker → · Palette generator →