#B13C3A#B13C3A

#B13C3A is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.153 H 25.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B13C3A
RGB	rgb(177, 60, 58)
HSL	hsl(1, 51%, 46%)
HSV	hsv(1, 67%, 69%)
CMYK	cmyk(0%, 66.1%, 67.2%, 30.6%)
CIE-LAB	lab(42.59, 47.36, 27.50)
CIE-LCH	lch(42.59, 54.77, 30.14°)
OKLab	oklab(52.33% 0.1386 0.0645)
OKLCH	oklch(52.33% 0.153 25)
XYZ	xyz(20.5131, 12.8872, 5.4095)
Luminance	0.1288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13C3A #3AAFB1

analogous

#B13A73 #B13C3A #B1773A

triadic

#B13C3A #3AB13C #3C3AB1

tetradic

#B13C3A #73B13A #3AAFB1 #773AB1

square

#B13C3A #73B13A #3AAFB1 #773AB1

split-complementary

#B13C3A #3AB177 #3A73B1

monochromatic

#551D1C #832C2B #B13C3A #CA605E #D98D8C

Accessibility & contrast

On white

5.87

#B13C3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B13C3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13C3A

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13C3A	#FFFFFF	#000000	##FFFFFF
##B13C3A	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5539

Deuteranopia (green-blind)

#796E37

Tritanopia (blue-blind)

#C21F3D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13c3a;
/* rgb */ color: rgb(177, 60, 58);
/* oklch */ color: oklch(52.3% 0.153 25.0);

Tailwind

colors: {
  custom: {
    50: '#cf7870',
    500: '#b13c3a',
    950: '#000000',
  },
}

SCSS

$custom: #b13c3a;
$custom-light: #cf7870;
$custom-dark: #000000;

JSON

{
  "hex": "#b13c3a",
  "rgb": {
    "r": 177,
    "g": 60,
    "b": 58
  },
  "hsl": {
    "h": 1.008,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52333,
    "c": 0.15284,
    "h": 25
  },
  "luminance": 0.12884
}

Semantic roles & 50–950 ramp

primary

#B13C3A

secondary

#83C3C4

accent

#D8DA4E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13C3A

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

Preview Lab → · Contrast checker → · Palette generator →