#B53534#B53534

#B53534 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.165 H 25.3°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B53534
RGB	rgb(181, 53, 52)
HSL	hsl(0, 55%, 46%)
HSV	hsv(0, 71%, 71%)
CMYK	cmyk(0%, 70.7%, 71.3%, 29%)
CIE-LAB	lab(42.19, 51.23, 30.76)
CIE-LCH	lch(42.19, 59.76, 30.98°)
OKLab	oklab(52.14% 0.1491 0.0705)
OKLCH	oklch(52.14% 0.165 25.3)
XYZ	xyz(20.9513, 12.6210, 4.5810)
Luminance	0.1262 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53534 #34B4B5

analogous

#B53473 #B53534 #B57534

triadic

#B53534 #34B535 #3534B5

tetradic

#B53534 #73B534 #34B4B5 #7534B5

square

#B53534 #73B534 #34B4B5 #7534B5

split-complementary

#B53534 #34B575 #3473B5

monochromatic

#561919 #852726 #B53534 #CF5857 #DC8887

Accessibility & contrast

On white

5.96

#B53534 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B53534 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53534

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53534	#FFFFFF	#000000	##FFFFFF
##B53534	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595233

Deuteranopia (green-blind)

#796E30

Tritanopia (blue-blind)

#C70736

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53534;
/* rgb */ color: rgb(181, 53, 52);
/* oklch */ color: oklch(52.1% 0.165 25.3);

Tailwind

colors: {
  custom: {
    50: '#d3756b',
    500: '#b53534',
    950: '#000000',
  },
}

SCSS

$custom: #b53534;
$custom-light: #d3756b;
$custom-dark: #000000;

JSON

{
  "hex": "#b53534",
  "rgb": {
    "r": 181,
    "g": 53,
    "b": 52
  },
  "hsl": {
    "h": 0.465,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52135,
    "c": 0.16491,
    "h": 25.3
  },
  "luminance": 0.12618
}

Semantic roles & 50–950 ramp

primary

#B53534

secondary

#7FC6C6

accent

#DEDF49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53534

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

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