#B53E2F#B53E2F

#B53E2F is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.157 H 30.2°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B53E2F
RGB	rgb(181, 62, 47)
HSL	hsl(7, 59%, 45%)
HSV	hsv(7, 74%, 71%)
CMYK	cmyk(0%, 65.7%, 74%, 29%)
CIE-LAB	lab(43.47, 47.32, 35.13)
CIE-LCH	lch(43.47, 58.94, 36.59°)
OKLab	oklab(53.08% 0.1357 0.0791)
OKLCH	oklch(53.08% 0.157 30.2)
XYZ	xyz(21.2941, 13.4773, 4.1689)
Luminance	0.1347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E2F #2FA6B5

analogous

#B52F63 #B53E2F #B5812F

triadic

#B53E2F #2FB53E #3E2FB5

tetradic

#B53E2F #63B52F #2FA6B5 #812FB5

square

#B53E2F #63B52F #2FA6B5 #812FB5

split-complementary

#B53E2F #2FB581 #2F63B5

monochromatic

#541D16 #842D22 #B53E2F #D15E50 #DE8B80

Accessibility & contrast

On white

5.68

#B53E2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B53E2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E2F

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E2F	#FFFFFF	#000000	##FFFFFF
##B53E2F	1.00	5.68	3.69	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562D

Deuteranopia (green-blind)

#7D702B

Tritanopia (blue-blind)

#C71E3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53e2f;
/* rgb */ color: rgb(181, 62, 47);
/* oklch */ color: oklch(53.1% 0.157 30.2);

Tailwind

colors: {
  custom: {
    50: '#d37968',
    500: '#b53e2f',
    950: '#000000',
  },
}

SCSS

$custom: #b53e2f;
$custom-light: #d37968;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e2f",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 47
  },
  "hsl": {
    "h": 6.716,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53079,
    "c": 0.15706,
    "h": 30.2
  },
  "luminance": 0.13474
}

Semantic roles & 50–950 ramp

primary

#B53E2F

secondary

#79BEC7

accent

#D0E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53E2F

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

Preview Lab → · Contrast checker → · Palette generator →