#B53B22#B53B22

#B53B22 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.162 H 33.4°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B53B22
RGB	rgb(181, 59, 34)
HSL	hsl(10, 68%, 42%)
HSV	hsv(10, 81%, 71%)
CMYK	cmyk(0%, 67.4%, 81.2%, 29%)
CIE-LAB	lab(42.87, 48.10, 41.53)
CIE-LCH	lch(42.87, 63.55, 40.81°)
OKLab	oklab(52.58% 0.1356 0.0893)
OKLCH	oklch(52.58% 0.162 33.4)
XYZ	xyz(20.9112, 13.0703, 2.9348)
Luminance	0.1307 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53B22 #229CB5

analogous

#B52253 #B53B22 #B58522

triadic

#B53B22 #22B53B #3B22B5

tetradic

#B53B22 #53B522 #229CB5 #8522B5

square

#B53B22 #53B522 #229CB5 #8522B5

split-complementary

#B53B22 #22B585 #2253B5

monochromatic

#4E190F #812A18 #B53B22 #DA553A #E4826E

Accessibility & contrast

On white

5.81

#B53B22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B53B22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53B22

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53B22	#FFFFFF	#000000	##FFFFFF
##B53B22	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E541E

Deuteranopia (green-blind)

#7D6F1C

Tritanopia (blue-blind)

#C71436

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53b22;
/* rgb */ color: rgb(181, 59, 34);
/* oklch */ color: oklch(52.6% 0.162 33.4);

Tailwind

colors: {
  custom: {
    50: '#d4785f',
    500: '#b53b22',
    950: '#000000',
  },
}

SCSS

$custom: #b53b22;
$custom-light: #d4785f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53b22",
  "rgb": {
    "r": 181,
    "g": 59,
    "b": 34
  },
  "hsl": {
    "h": 10.204,
    "s": 68.372,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52582,
    "c": 0.16238,
    "h": 33.4
  },
  "luminance": 0.13067
}

Semantic roles & 50–950 ramp

primary

#B53B22

secondary

#69B9CA

accent

#CEEB3D

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B53B22

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

Preview Lab → · Contrast checker → · Palette generator →