#B13833#B13833

#B13833 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.158 H 26.6°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B13833
RGB	rgb(177, 56, 51)
HSL	hsl(2, 55%, 45%)
HSV	hsv(2, 71%, 69%)
CMYK	cmyk(0%, 68.4%, 71.2%, 30.6%)
CIE-LAB	lab(41.87, 48.67, 30.80)
CIE-LCH	lch(41.87, 57.59, 32.33°)
OKLab	oklab(51.76% 0.1412 0.0706)
OKLCH	oklch(51.76% 0.158 26.6)
XYZ	xyz(20.1454, 12.4174, 4.4673)
Luminance	0.1241 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13833 #33ACB1

analogous

#B1336D #B13833 #B17733

triadic

#B13833 #33B138 #3833B1

tetradic

#B13833 #6DB133 #33ACB1 #7733B1

square

#B13833 #6DB133 #33ACB1 #7733B1

split-complementary

#B13833 #33B177 #336DB1

monochromatic

#521A18 #812925 #B13833 #CE5854 #DB8783

Accessibility & contrast

On white

6.03

#B13833 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B13833 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13833

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13833	#FFFFFF	#000000	##FFFFFF
##B13833	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5231

Deuteranopia (green-blind)

#786C2F

Tritanopia (blue-blind)

#C31438

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13833;
/* rgb */ color: rgb(177, 56, 51);
/* oklch */ color: oklch(51.8% 0.158 26.6);

Tailwind

colors: {
  custom: {
    50: '#d0766b',
    500: '#b13833',
    950: '#000000',
  },
}

SCSS

$custom: #b13833;
$custom-light: #d0766b;
$custom-dark: #000000;

JSON

{
  "hex": "#b13833",
  "rgb": {
    "r": 177,
    "g": 56,
    "b": 51
  },
  "hsl": {
    "h": 2.381,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5176,
    "c": 0.15791,
    "h": 26.6
  },
  "luminance": 0.12414
}

Semantic roles & 50–950 ramp

primary

#B13833

secondary

#7BC2C5

accent

#D9DF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13833

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

Preview Lab → · Contrast checker → · Palette generator →