#B53D34#B53D34

#B53D34 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.157 H 27.9°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B53D34
RGB	rgb(181, 61, 52)
HSL	hsl(4, 55%, 46%)
HSV	hsv(4, 71%, 71%)
CMYK	cmyk(0%, 66.3%, 71.3%, 29%)
CIE-LAB	lab(43.38, 47.99, 32.15)
CIE-LCH	lch(43.38, 57.76, 33.82°)
OKLab	oklab(53.03% 0.1388 0.0736)
OKLCH	oklch(53.03% 0.157 27.9)
XYZ	xyz(21.3469, 13.4122, 4.7129)
Luminance	0.1341 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53D34 #34ACB5

analogous

#B5346B #B53D34 #B57D34

triadic

#B53D34 #34B53D #3D34B5

tetradic

#B53D34 #6BB534 #34ACB5 #7D34B5

square

#B53D34 #6BB534 #34ACB5 #7D34B5

split-complementary

#B53D34 #34B57D #346BB5

monochromatic

#561D19 #852D26 #B53D34 #CF6057 #DC8D87

Accessibility & contrast

On white

5.70

#B53D34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B53D34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D34

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53D34	#FFFFFF	#000000	##FFFFFF
##B53D34	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5632

Deuteranopia (green-blind)

#7C7030

Tritanopia (blue-blind)

#C71D3C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53d34;
/* rgb */ color: rgb(181, 61, 52);
/* oklch */ color: oklch(53.0% 0.157 27.9);

Tailwind

colors: {
  custom: {
    50: '#d3796c',
    500: '#b53d34',
    950: '#000000',
  },
}

SCSS

$custom: #b53d34;
$custom-light: #d3796c;
$custom-dark: #000000;

JSON

{
  "hex": "#b53d34",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 52
  },
  "hsl": {
    "h": 4.186,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53027,
    "c": 0.15713,
    "h": 27.9
  },
  "luminance": 0.13409
}

Semantic roles & 50–950 ramp

primary

#B53D34

secondary

#7FC1C6

accent

#D4DF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53D34

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

Preview Lab → · Contrast checker → · Palette generator →