#B53D3E#B53D3E

#B53D3E is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.156 H 23.6°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B53D3E
RGB	rgb(181, 61, 62)
HSL	hsl(360, 50%, 47%)
HSV	hsv(360, 66%, 71%)
CMYK	cmyk(0%, 66.3%, 65.7%, 29%)
CIE-LAB	lab(43.52, 48.53, 26.41)
CIE-LCH	lch(43.52, 55.25, 28.55°)
OKLab	oklab(53.19% 0.1426 0.0624)
OKLCH	oklch(53.19% 0.156 23.6)
XYZ	xyz(21.5965, 13.5121, 6.0274)
Luminance	0.1351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53D3E #3DB5B4

analogous

#B53D7A #B53D3E #B5783D

triadic

#B53D3E #3EB53D #3D3EB5

tetradic

#B53D3E #7AB53D #3DB5B4 #783DB5

square

#B53D3E #7AB53D #3DB5B4 #783DB5

split-complementary

#B53D3E #3DB578 #3D7AB5

monochromatic

#591E1F #872E2E #B53D3E #CB6465 #DA9293

Accessibility & contrast

On white

5.67

#B53D3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B53D3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D3E

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53D3E	#FFFFFF	#000000	##FFFFFF
##B53D3E	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D573D

Deuteranopia (green-blind)

#7B703B

Tritanopia (blue-blind)

#C7203F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53d3e;
/* rgb */ color: rgb(181, 61, 62);
/* oklch */ color: oklch(53.2% 0.156 23.6);

Tailwind

colors: {
  custom: {
    50: '#d27973',
    500: '#b53d3e',
    950: '#000000',
  },
}

SCSS

$custom: #b53d3e;
$custom-light: #d27973;
$custom-dark: #000000;

JSON

{
  "hex": "#b53d3e",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 62
  },
  "hsl": {
    "h": 359.5,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53185,
    "c": 0.15565,
    "h": 23.6
  },
  "luminance": 0.13509
}

Semantic roles & 50–950 ramp

primary

#B53D3E

secondary

#88C5C5

accent

#D9D84F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53D3E

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

Preview Lab → · Contrast checker → · Palette generator →