#B53C30#B53C30

#B53C30 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.159 H 29.1°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B53C30
RGB	rgb(181, 60, 48)
HSL	hsl(5, 58%, 45%)
HSV	hsv(5, 73%, 71%)
CMYK	cmyk(0%, 66.9%, 73.5%, 29%)
CIE-LAB	lab(43.17, 48.22, 34.22)
CIE-LCH	lch(43.17, 59.13, 35.36°)
OKLab	oklab(52.86% 0.1387 0.0773)
OKLCH	oklch(52.86% 0.159 29.1)
XYZ	xyz(21.2077, 13.2720, 4.2408)
Luminance	0.1327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53C30 #30A9B5

analogous

#B53066 #B53C30 #B57F30

triadic

#B53C30 #30B53C #3C30B5

tetradic

#B53C30 #66B530 #30A9B5 #7F30B5

square

#B53C30 #66B530 #30A9B5 #7F30B5

split-complementary

#B53C30 #30B57F #3066B5

monochromatic

#541C16 #852C23 #B53C30 #D15D51 #DE8A82

Accessibility & contrast

On white

5.75

#B53C30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B53C30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53C30

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53C30	#FFFFFF	#000000	##FFFFFF
##B53C30	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552E

Deuteranopia (green-blind)

#7C702C

Tritanopia (blue-blind)

#C71A3A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53c30;
/* rgb */ color: rgb(181, 60, 48);
/* oklch */ color: oklch(52.9% 0.159 29.1);

Tailwind

colors: {
  custom: {
    50: '#d37869',
    500: '#b53c30',
    950: '#000000',
  },
}

SCSS

$custom: #b53c30;
$custom-light: #d37869;
$custom-dark: #000000;

JSON

{
  "hex": "#b53c30",
  "rgb": {
    "r": 181,
    "g": 60,
    "b": 48
  },
  "hsl": {
    "h": 5.414,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52855,
    "c": 0.15881,
    "h": 29.1
  },
  "luminance": 0.13269
}

Semantic roles & 50–950 ramp

primary

#B53C30

secondary

#7AC0C7

accent

#D3E146

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53C30

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

Preview Lab → · Contrast checker → · Palette generator →