#B13C33#B13C33

#B13C33 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.154 H 28.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B13C33
RGB	rgb(177, 60, 51)
HSL	hsl(4, 55%, 45%)
HSV	hsv(4, 71%, 69%)
CMYK	cmyk(0%, 66.1%, 71.2%, 30.6%)
CIE-LAB	lab(42.49, 46.98, 31.52)
CIE-LCH	lch(42.49, 56.58, 33.86°)
OKLab	oklab(52.23% 0.1359 0.0722)
OKLCH	oklch(52.23% 0.154 28)
XYZ	xyz(20.3470, 12.8208, 4.5346)
Luminance	0.1282 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13C33 #33A8B1

analogous

#B13369 #B13C33 #B17B33

triadic

#B13C33 #33B13C #3C33B1

tetradic

#B13C33 #69B133 #33A8B1 #7B33B1

square

#B13C33 #69B133 #33A8B1 #7B33B1

split-complementary

#B13C33 #33B17B #3369B1

monochromatic

#521C18 #812C25 #B13C33 #CE5C54 #DB8983

Accessibility & contrast

On white

5.89

#B13C33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B13C33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13C33

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13C33	#FFFFFF	#000000	##FFFFFF
##B13C33	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5431

Deuteranopia (green-blind)

#796E2F

Tritanopia (blue-blind)

#C31D3B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13c33;
/* rgb */ color: rgb(177, 60, 51);
/* oklch */ color: oklch(52.2% 0.154 28.0);

Tailwind

colors: {
  custom: {
    50: '#d0786b',
    500: '#b13c33',
    950: '#000000',
  },
}

SCSS

$custom: #b13c33;
$custom-light: #d0786b;
$custom-dark: #000000;

JSON

{
  "hex": "#b13c33",
  "rgb": {
    "r": 177,
    "g": 60,
    "b": 51
  },
  "hsl": {
    "h": 4.286,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52225,
    "c": 0.15395,
    "h": 28
  },
  "luminance": 0.12818
}

Semantic roles & 50–950 ramp

primary

#B13C33

secondary

#7BBFC5

accent

#D4DF49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13C33

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

Preview Lab → · Contrast checker → · Palette generator →