#B53A2F#B53A2F

#B53A2F is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.161 H 28.8°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B53A2F
RGB	rgb(181, 58, 47)
HSL	hsl(5, 59%, 45%)
HSV	hsv(5, 74%, 71%)
CMYK	cmyk(0%, 68%, 74%, 29%)
CIE-LAB	lab(42.85, 49.01, 34.44)
CIE-LCH	lch(42.85, 59.90, 35.09°)
OKLab	oklab(52.61% 0.141 0.0775)
OKLCH	oklch(52.61% 0.161 28.8)
XYZ	xyz(21.0845, 13.0582, 4.0990)
Luminance	0.1305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A2F #2FAAB5

analogous

#B52F67 #B53A2F #B57D2F

triadic

#B53A2F #2FB53A #3A2FB5

tetradic

#B53A2F #67B52F #2FAAB5 #7D2FB5

square

#B53A2F #67B52F #2FAAB5 #7D2FB5

split-complementary

#B53A2F #2FB57D #2F67B5

monochromatic

#541B16 #842A22 #B53A2F #D15A50 #DE8880

Accessibility & contrast

On white

5.82

#B53A2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B53A2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A2F

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A2F	#FFFFFF	#000000	##FFFFFF
##B53A2F	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542D

Deuteranopia (green-blind)

#7B6F2B

Tritanopia (blue-blind)

#C71538

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53a2f;
/* rgb */ color: rgb(181, 58, 47);
/* oklch */ color: oklch(52.6% 0.161 28.8);

Tailwind

colors: {
  custom: {
    50: '#d37768',
    500: '#b53a2f',
    950: '#000000',
  },
}

SCSS

$custom: #b53a2f;
$custom-light: #d37768;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a2f",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 47
  },
  "hsl": {
    "h": 4.925,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52612,
    "c": 0.16091,
    "h": 28.8
  },
  "luminance": 0.13055
}

Semantic roles & 50–950 ramp

primary

#B53A2F

secondary

#79C1C7

accent

#D5E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53A2F

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

Preview Lab → · Contrast checker → · Palette generator →