#B13B2A#B13B2A

#B13B2A is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.157 H 31.0°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B13B2A
RGB	rgb(177, 59, 42)
HSL	hsl(8, 62%, 43%)
HSV	hsv(8, 76%, 69%)
CMYK	cmyk(0%, 66.7%, 76.3%, 30.6%)
CIE-LAB	lab(42.22, 47.00, 36.36)
CIE-LCH	lch(42.22, 59.43, 37.73°)
OKLab	oklab(51.99% 0.1342 0.0808)
OKLCH	oklch(51.99% 0.157 31)
XYZ	xyz(20.1156, 12.6451, 3.5716)
Luminance	0.1264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13B2A #2AA0B1

analogous

#B12A5C #B13B2A #B17F2A

triadic

#B13B2A #2AB13B #3B2AB1

tetradic

#B13B2A #5CB12A #2AA0B1 #7F2AB1

square

#B13B2A #5CB12A #2AA0B1 #7F2AB1

split-complementary

#B13B2A #2AB17F #2A5CB1

monochromatic

#4E1A13 #802B1E #B13B2A #D35745 #DF8477

Accessibility & contrast

On white

5.95

#B13B2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B13B2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13B2A

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13B2A	#FFFFFF	#000000	##FFFFFF
##B13B2A	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5327

Deuteranopia (green-blind)

#7A6D26

Tritanopia (blue-blind)

#C31938

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13b2a;
/* rgb */ color: rgb(177, 59, 42);
/* oklch */ color: oklch(52.0% 0.157 31.0);

Tailwind

colors: {
  custom: {
    50: '#d07765',
    500: '#b13b2a',
    950: '#000000',
  },
}

SCSS

$custom: #b13b2a;
$custom-light: #d07765;
$custom-dark: #000000;

JSON

{
  "hex": "#b13b2a",
  "rgb": {
    "r": 177,
    "g": 59,
    "b": 42
  },
  "hsl": {
    "h": 7.556,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.51988,
    "c": 0.15659,
    "h": 31
  },
  "luminance": 0.12642
}

Semantic roles & 50–950 ramp

primary

#B13B2A

secondary

#70BCC6

accent

#D0E543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B13B2A

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

Preview Lab → · Contrast checker → · Palette generator →