#B13433#B13433

#B13433 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.162 H 25.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B13433
RGB	rgb(177, 52, 51)
HSL	hsl(0, 55%, 45%)
HSV	hsv(0, 71%, 69%)
CMYK	cmyk(0%, 70.6%, 71.2%, 30.6%)
CIE-LAB	lab(41.29, 50.26, 30.11)
CIE-LCH	lch(41.29, 58.59, 30.93°)
OKLab	oklab(51.32% 0.1463 0.0691)
OKLCH	oklch(51.32% 0.162 25.3)
XYZ	xyz(19.9592, 12.0451, 4.4053)
Luminance	0.1204 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13433 #33B0B1

analogous

#B13371 #B13433 #B17333

triadic

#B13433 #33B134 #3433B1

tetradic

#B13433 #71B133 #33B0B1 #7333B1

square

#B13433 #71B133 #33B0B1 #7333B1

split-complementary

#B13433 #33B173 #3371B1

monochromatic

#521818 #812625 #B13433 #CE5554 #DB8483

Accessibility & contrast

On white

6.16

#B13433 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B13433 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13433

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13433	#FFFFFF	#000000	##FFFFFF
##B13433	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575032

Deuteranopia (green-blind)

#776B2F

Tritanopia (blue-blind)

#C30835

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b13433;
/* rgb */ color: rgb(177, 52, 51);
/* oklch */ color: oklch(51.3% 0.162 25.3);

Tailwind

colors: {
  custom: {
    50: '#d0746b',
    500: '#b13433',
    950: '#000000',
  },
}

SCSS

$custom: #b13433;
$custom-light: #d0746b;
$custom-dark: #000000;

JSON

{
  "hex": "#b13433",
  "rgb": {
    "r": 177,
    "g": 52,
    "b": 51
  },
  "hsl": {
    "h": 0.476,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51323,
    "c": 0.16179,
    "h": 25.3
  },
  "luminance": 0.12042
}

Semantic roles & 50–950 ramp

primary

#B13433

secondary

#7BC4C5

accent

#DDDF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13433

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

Preview Lab → · Contrast checker → · Palette generator →