#B13A2C#B13A2C

#B13A2C is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.157 H 30.0°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B13A2C
RGB	rgb(177, 58, 44)
HSL	hsl(6, 60%, 43%)
HSV	hsv(6, 75%, 69%)
CMYK	cmyk(0%, 67.2%, 75.1%, 30.6%)
CIE-LAB	lab(42.09, 47.51, 35.10)
CIE-LCH	lch(42.09, 59.07, 36.45°)
OKLab	oklab(51.9% 0.1362 0.0785)
OKLCH	oklch(51.9% 0.157 30)
XYZ	xyz(20.1014, 12.5580, 3.7479)
Luminance	0.1255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13A2C #2CA3B1

analogous

#B12C60 #B13A2C #B17C2C

triadic

#B13A2C #2CB13A #3A2CB1

tetradic

#B13A2C #60B12C #2CA3B1 #7C2CB1

square

#B13A2C #60B12C #2CA3B1 #7C2CB1

split-complementary

#B13A2C #2CB17C #2C60B1

monochromatic

#4F1A14 #802A20 #B13A2C #D25749 #DE847A

Accessibility & contrast

On white

5.98

#B13A2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B13A2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13A2C

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13A2C	#FFFFFF	#000000	##FFFFFF
##B13A2C	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C532A

Deuteranopia (green-blind)

#796D28

Tritanopia (blue-blind)

#C31738

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13a2c;
/* rgb */ color: rgb(177, 58, 44);
/* oklch */ color: oklch(51.9% 0.157 30.0);

Tailwind

colors: {
  custom: {
    50: '#d07766',
    500: '#b13a2c',
    950: '#000000',
  },
}

SCSS

$custom: #b13a2c;
$custom-light: #d07766;
$custom-dark: #000000;

JSON

{
  "hex": "#b13a2c",
  "rgb": {
    "r": 177,
    "g": 58,
    "b": 44
  },
  "hsl": {
    "h": 6.316,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51895,
    "c": 0.15716,
    "h": 30
  },
  "luminance": 0.12555
}

Semantic roles & 50–950 ramp

primary

#B13A2C

secondary

#73BDC6

accent

#D3E344

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13A2C

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

Preview Lab → · Contrast checker → · Palette generator →