#B53D2F#B53D2F

#B53D2F is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.158 H 29.9°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B53D2F
RGB	rgb(181, 61, 47)
HSL	hsl(6, 59%, 45%)
HSV	hsv(6, 74%, 71%)
CMYK	cmyk(0%, 66.3%, 74%, 29%)
CIE-LAB	lab(43.31, 47.75, 34.96)
CIE-LCH	lch(43.31, 59.18, 36.21°)
OKLab	oklab(52.96% 0.1371 0.0787)
OKLCH	oklch(52.96% 0.158 29.9)
XYZ	xyz(21.2402, 13.3696, 4.1509)
Luminance	0.1337 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53D2F #2FA7B5

analogous

#B52F64 #B53D2F #B5802F

triadic

#B53D2F #2FB53D #3D2FB5

tetradic

#B53D2F #64B52F #2FA7B5 #802FB5

square

#B53D2F #64B52F #2FA7B5 #802FB5

split-complementary

#B53D2F #2FB580 #2F64B5

monochromatic

#541C16 #842D22 #B53D2F #D15D50 #DE8A80

Accessibility & contrast

On white

5.72

#B53D2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B53D2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D2F

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53D2F	#FFFFFF	#000000	##FFFFFF
##B53D2F	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)

#5F562D

Deuteranopia (green-blind)

#7D702B

Tritanopia (blue-blind)

#C71C3B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53d2f;
/* rgb */ color: rgb(181, 61, 47);
/* oklch */ color: oklch(53.0% 0.158 29.9);

Tailwind

colors: {
  custom: {
    50: '#d37968',
    500: '#b53d2f',
    950: '#000000',
  },
}

SCSS

$custom: #b53d2f;
$custom-light: #d37968;
$custom-dark: #000000;

JSON

{
  "hex": "#b53d2f",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 47
  },
  "hsl": {
    "h": 6.269,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5296,
    "c": 0.15803,
    "h": 29.9
  },
  "luminance": 0.13366
}

Semantic roles & 50–950 ramp

primary

#B53D2F

secondary

#79BFC7

accent

#D2E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53D2F

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

Preview Lab → · Contrast checker → · Palette generator →