#B53A35#B53A35

#B53A35 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.160 H 26.5°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B53A35
RGB	rgb(181, 58, 53)
HSL	hsl(2, 55%, 46%)
HSV	hsv(2, 71%, 71%)
CMYK	cmyk(0%, 68%, 70.7%, 29%)
CIE-LAB	lab(42.93, 49.29, 31.04)
CIE-LCH	lch(42.93, 58.25, 32.20°)
OKLab	oklab(52.7% 0.1431 0.0713)
OKLCH	oklch(52.7% 0.16 26.5)
XYZ	xyz(21.2140, 13.1100, 4.7809)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A35 #35B0B5

analogous

#B53570 #B53A35 #B57A35

triadic

#B53A35 #35B53A #3A35B5

tetradic

#B53A35 #70B535 #35B0B5 #7A35B5

square

#B53A35 #70B535 #35B0B5 #7A35B5

split-complementary

#B53A35 #35B57A #3570B5

monochromatic

#561C19 #862B27 #B53A35 #CE5D59 #DC8B88

Accessibility & contrast

On white

5.80

#B53A35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B53A35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A35

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A35	#FFFFFF	#000000	##FFFFFF
##B53A35	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5433

Deuteranopia (green-blind)

#7B6F31

Tritanopia (blue-blind)

#C7173A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53a35;
/* rgb */ color: rgb(181, 58, 53);
/* oklch */ color: oklch(52.7% 0.160 26.5);

Tailwind

colors: {
  custom: {
    50: '#d3776c',
    500: '#b53a35',
    950: '#000000',
  },
}

SCSS

$custom: #b53a35;
$custom-light: #d3776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a35",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 53
  },
  "hsl": {
    "h": 2.344,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52695,
    "c": 0.15993,
    "h": 26.5
  },
  "luminance": 0.13107
}

Semantic roles & 50–950 ramp

primary

#B53A35

secondary

#80C3C6

accent

#D8DE4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53A35

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

Preview Lab → · Contrast checker → · Palette generator →