#B53F34#B53F34

#B53F34 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.155 H 28.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B53F34
RGB	rgb(181, 63, 52)
HSL	hsl(5, 55%, 46%)
HSV	hsv(5, 71%, 71%)
CMYK	cmyk(0%, 65.2%, 71.3%, 29%)
CIE-LAB	lab(43.70, 47.13, 32.52)
CIE-LCH	lch(43.70, 57.26, 34.61°)
OKLab	oklab(53.27% 0.1361 0.0744)
OKLCH	oklch(53.27% 0.155 28.7)
XYZ	xyz(21.4557, 13.6297, 4.7492)
Luminance	0.1363 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53F34 #34AAB5

analogous

#B53469 #B53F34 #B57F34

triadic

#B53F34 #34B53F #3F34B5

tetradic

#B53F34 #69B534 #34AAB5 #7F34B5

square

#B53F34 #69B534 #34AAB5 #7F34B5

split-complementary

#B53F34 #34B57F #3469B5

monochromatic

#561E19 #852E26 #B53F34 #CF6257 #DC8E87

Accessibility & contrast

On white

5.64

#B53F34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B53F34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53F34

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53F34	#FFFFFF	#000000	##FFFFFF
##B53F34	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5732

Deuteranopia (green-blind)

#7D7130

Tritanopia (blue-blind)

#C7213D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53f34;
/* rgb */ color: rgb(181, 63, 52);
/* oklch */ color: oklch(53.3% 0.155 28.7);

Tailwind

colors: {
  custom: {
    50: '#d37a6c',
    500: '#b53f34',
    950: '#000000',
  },
}

SCSS

$custom: #b53f34;
$custom-light: #d37a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#b53f34",
  "rgb": {
    "r": 181,
    "g": 63,
    "b": 52
  },
  "hsl": {
    "h": 5.116,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53267,
    "c": 0.15513,
    "h": 28.7
  },
  "luminance": 0.13627
}

Semantic roles & 50–950 ramp

primary

#B53F34

secondary

#7FC0C6

accent

#D2DF49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B53F34

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

Preview Lab → · Contrast checker → · Palette generator →