#B13D33#B13D33

#B13D33 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.153 H 28.4°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B13D33
RGB	rgb(177, 61, 51)
HSL	hsl(5, 55%, 45%)
HSV	hsv(5, 71%, 69%)
CMYK	cmyk(0%, 65.5%, 71.2%, 30.6%)
CIE-LAB	lab(42.65, 46.55, 31.71)
CIE-LCH	lch(42.65, 56.33, 34.26°)
OKLab	oklab(52.35% 0.1346 0.0726)
OKLCH	oklch(52.35% 0.153 28.4)
XYZ	xyz(20.3999, 12.9265, 4.5522)
Luminance	0.1292 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13D33 #33A7B1

analogous

#B13368 #B13D33 #B17C33

triadic

#B13D33 #33B13D #3D33B1

tetradic

#B13D33 #68B133 #33A7B1 #7C33B1

square

#B13D33 #68B133 #33A7B1 #7C33B1

split-complementary

#B13D33 #33B17C #3368B1

monochromatic

#521C18 #812D25 #B13D33 #CE5D54 #DB8A83

Accessibility & contrast

On white

5.86

#B13D33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B13D33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13D33

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13D33	#FFFFFF	#000000	##FFFFFF
##B13D33	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5531

Deuteranopia (green-blind)

#7A6E2F

Tritanopia (blue-blind)

#C21F3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13d33;
/* rgb */ color: rgb(177, 61, 51);
/* oklch */ color: oklch(52.3% 0.153 28.4);

Tailwind

colors: {
  custom: {
    50: '#d0786b',
    500: '#b13d33',
    950: '#000000',
  },
}

SCSS

$custom: #b13d33;
$custom-light: #d0786b;
$custom-dark: #000000;

JSON

{
  "hex": "#b13d33",
  "rgb": {
    "r": 177,
    "g": 61,
    "b": 51
  },
  "hsl": {
    "h": 4.762,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52345,
    "c": 0.15294,
    "h": 28.4
  },
  "luminance": 0.12924
}

Semantic roles & 50–950 ramp

primary

#B13D33

secondary

#7BBFC5

accent

#D3DF49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13D33

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

Preview Lab → · Contrast checker → · Palette generator →