#B53C2F#B53C2F

#B53C2F is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.159 H 29.5°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B53C2F
RGB	rgb(181, 60, 47)
HSL	hsl(6, 59%, 45%)
HSV	hsv(6, 74%, 71%)
CMYK	cmyk(0%, 66.9%, 74%, 29%)
CIE-LAB	lab(43.16, 48.18, 34.78)
CIE-LCH	lch(43.16, 59.42, 35.83°)
OKLab	oklab(52.84% 0.1384 0.0783)
OKLCH	oklch(52.84% 0.159 29.5)
XYZ	xyz(21.1873, 13.2638, 4.1333)
Luminance	0.1326 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53C2F #2FA8B5

analogous

#B52F65 #B53C2F #B57F2F

triadic

#B53C2F #2FB53C #3C2FB5

tetradic

#B53C2F #65B52F #2FA8B5 #7F2FB5

square

#B53C2F #65B52F #2FA8B5 #7F2FB5

split-complementary

#B53C2F #2FB57F #2F65B5

monochromatic

#541C16 #842C22 #B53C2F #D15C50 #DE8980

Accessibility & contrast

On white

5.75

#B53C2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B53C2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53C2F

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53C2F	#FFFFFF	#000000	##FFFFFF
##B53C2F	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552D

Deuteranopia (green-blind)

#7C702B

Tritanopia (blue-blind)

#C71A3A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53c2f;
/* rgb */ color: rgb(181, 60, 47);
/* oklch */ color: oklch(52.8% 0.159 29.5);

Tailwind

colors: {
  custom: {
    50: '#d37868',
    500: '#b53c2f',
    950: '#000000',
  },
}

SCSS

$custom: #b53c2f;
$custom-light: #d37868;
$custom-dark: #000000;

JSON

{
  "hex": "#b53c2f",
  "rgb": {
    "r": 181,
    "g": 60,
    "b": 47
  },
  "hsl": {
    "h": 5.821,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52842,
    "c": 0.159,
    "h": 29.5
  },
  "luminance": 0.13261
}

Semantic roles & 50–950 ramp

primary

#B53C2F

secondary

#79BFC7

accent

#D3E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53C2F

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

Preview Lab → · Contrast checker → · Palette generator →