#B53C3D#B53C3D

#B53C3D is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.157 H 23.8°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B53C3D
RGB	rgb(181, 60, 61)
HSL	hsl(360, 50%, 47%)
HSV	hsv(360, 67%, 71%)
CMYK	cmyk(0%, 66.9%, 66.3%, 29%)
CIE-LAB	lab(43.35, 48.90, 26.79)
CIE-LCH	lch(43.35, 55.76, 28.72°)
OKLab	oklab(53.05% 0.1435 0.0632)
OKLCH	oklch(53.05% 0.157 23.8)
XYZ	xyz(21.5164, 13.3954, 5.8666)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53C3D #3CB5B4

analogous

#B53C7A #B53C3D #B5773C

triadic

#B53C3D #3DB53C #3C3DB5

tetradic

#B53C3D #7AB53C #3CB5B4 #773CB5

square

#B53C3D #7AB53C #3CB5B4 #773CB5

split-complementary

#B53C3D #3CB577 #3C7AB5

monochromatic

#591E1E #872D2E #B53C3D #CB6364 #DB9192

Accessibility & contrast

On white

5.71

#B53C3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B53C3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53C3D

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53C3D	#FFFFFF	#000000	##FFFFFF
##B53C3D	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D563C

Deuteranopia (green-blind)

#7B703A

Tritanopia (blue-blind)

#C71E3E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53c3d;
/* rgb */ color: rgb(181, 60, 61);
/* oklch */ color: oklch(53.1% 0.157 23.8);

Tailwind

colors: {
  custom: {
    50: '#d27972',
    500: '#b53c3d',
    950: '#000000',
  },
}

SCSS

$custom: #b53c3d;
$custom-light: #d27972;
$custom-dark: #000000;

JSON

{
  "hex": "#b53c3d",
  "rgb": {
    "r": 181,
    "g": 60,
    "b": 61
  },
  "hsl": {
    "h": 359.504,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53051,
    "c": 0.15683,
    "h": 23.8
  },
  "luminance": 0.13392
}

Semantic roles & 50–950 ramp

primary

#B53C3D

secondary

#87C6C5

accent

#DAD94E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53C3D

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

Preview Lab → · Contrast checker → · Palette generator →