#B53D2E#B53D2E

#B53D2E is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.158 H 30.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B53D2E
RGB	rgb(181, 61, 46)
HSL	hsl(7, 59%, 45%)
HSV	hsv(7, 75%, 71%)
CMYK	cmyk(0%, 66.3%, 74.6%, 29%)
CIE-LAB	lab(43.30, 47.71, 35.51)
CIE-LCH	lch(43.30, 59.47, 36.66°)
OKLab	oklab(52.95% 0.1367 0.0796)
OKLCH	oklch(52.95% 0.158 30.2)
XYZ	xyz(21.2203, 13.3616, 4.0459)
Luminance	0.1336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53D2E #2EA6B5

analogous

#B52E62 #B53D2E #B5812E

triadic

#B53D2E #2EB53D #3D2EB5

tetradic

#B53D2E #62B52E #2EA6B5 #812EB5

square

#B53D2E #62B52E #2EA6B5 #812EB5

split-complementary

#B53D2E #2EB581 #2E62B5

monochromatic

#531C15 #842D22 #B53D2E #D25D4E #DE8A7F

Accessibility & contrast

On white

5.72

#B53D2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B53D2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D2E

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53D2E	#FFFFFF	#000000	##FFFFFF
##B53D2E	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562C

Deuteranopia (green-blind)

#7D702A

Tritanopia (blue-blind)

#C71B3A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53d2e;
/* rgb */ color: rgb(181, 61, 46);
/* oklch */ color: oklch(52.9% 0.158 30.2);

Tailwind

colors: {
  custom: {
    50: '#d37967',
    500: '#b53d2e',
    950: '#000000',
  },
}

SCSS

$custom: #b53d2e;
$custom-light: #d37967;
$custom-dark: #000000;

JSON

{
  "hex": "#b53d2e",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 46
  },
  "hsl": {
    "h": 6.667,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52947,
    "c": 0.15822,
    "h": 30.2
  },
  "luminance": 0.13359
}

Semantic roles & 50–950 ramp

primary

#B53D2E

secondary

#78BEC7

accent

#D1E345

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53D2E

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

Preview Lab → · Contrast checker → · Palette generator →