#B53D29#B53D29

#B53D29 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.159 H 31.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B53D29
RGB	rgb(181, 61, 41)
HSL	hsl(9, 63%, 44%)
HSV	hsv(9, 77%, 71%)
CMYK	cmyk(0%, 66.3%, 77.3%, 29%)
CIE-LAB	lab(43.25, 47.50, 38.22)
CIE-LCH	lch(43.25, 60.97, 38.82°)
OKLab	oklab(52.89% 0.1351 0.0842)
OKLCH	oklch(52.89% 0.159 31.9)
XYZ	xyz(21.1274, 13.3244, 3.5568)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53D29 #29A1B5

analogous

#B5295B #B53D29 #B58329

triadic

#B53D29 #29B53D #3D29B5

tetradic

#B53D29 #5BB529 #29A1B5 #8329B5

square

#B53D29 #5BB529 #29A1B5 #8329B5

split-complementary

#B53D29 #29B583 #295BB5

monochromatic

#511B12 #832C1E #B53D29 #D55B46 #E08778

Accessibility & contrast

On white

5.73

#B53D29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B53D29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D29

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53D29	#FFFFFF	#000000	##FFFFFF
##B53D29	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5526

Deuteranopia (green-blind)

#7D7024

Tritanopia (blue-blind)

#C71A39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53d29;
/* rgb */ color: rgb(181, 61, 41);
/* oklch */ color: oklch(52.9% 0.159 31.9);

Tailwind

colors: {
  custom: {
    50: '#d37964',
    500: '#b53d29',
    950: '#000000',
  },
}

SCSS

$custom: #b53d29;
$custom-light: #d37964;
$custom-dark: #000000;

JSON

{
  "hex": "#b53d29",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 41
  },
  "hsl": {
    "h": 8.571,
    "s": 63.063,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52888,
    "c": 0.15919,
    "h": 31.9
  },
  "luminance": 0.13321
}

Semantic roles & 50–950 ramp

primary

#B53D29

secondary

#72BCC8

accent

#CFE642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B53D29

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

Preview Lab → · Contrast checker → · Palette generator →