#B53E2A#B53E2A

#B53E2A is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.158 H 32.0°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B53E2A
RGB	rgb(181, 62, 42)
HSL	hsl(9, 62%, 44%)
HSV	hsv(9, 77%, 71%)
CMYK	cmyk(0%, 65.7%, 76.8%, 29%)
CIE-LAB	lab(43.42, 47.11, 37.85)
CIE-LCH	lch(43.42, 60.43, 38.78°)
OKLab	oklab(53.02% 0.1341 0.0837)
OKLCH	oklch(53.02% 0.158 32)
XYZ	xyz(21.1989, 13.4393, 3.6678)
Luminance	0.1344 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E2A #2AA1B5

analogous

#B52A5B #B53E2A #B5832A

triadic

#B53E2A #2AB53E #3E2AB5

tetradic

#B53E2A #5BB52A #2AA1B5 #832AB5

square

#B53E2A #5BB52A #2AA1B5 #832AB5

split-complementary

#B53E2A #2AB583 #2A5BB5

monochromatic

#521C13 #832D1E #B53E2A #D45C48 #E08879

Accessibility & contrast

On white

5.70

#B53E2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B53E2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E2A

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E2A	#FFFFFF	#000000	##FFFFFF
##B53E2A	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605627

Deuteranopia (green-blind)

#7D7026

Tritanopia (blue-blind)

#C71D3A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53e2a;
/* rgb */ color: rgb(181, 62, 42);
/* oklch */ color: oklch(53.0% 0.158 32.0);

Tailwind

colors: {
  custom: {
    50: '#d37965',
    500: '#b53e2a',
    950: '#000000',
  },
}

SCSS

$custom: #b53e2a;
$custom-light: #d37965;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e2a",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 42
  },
  "hsl": {
    "h": 8.633,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53019,
    "c": 0.15805,
    "h": 32
  },
  "luminance": 0.13436
}

Semantic roles & 50–950 ramp

primary

#B53E2A

secondary

#73BCC8

accent

#CEE542

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B53E2A

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

Preview Lab → · Contrast checker → · Palette generator →