#B13E33#B13E33

#B13E33 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.152 H 28.7°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B13E33
RGB	rgb(177, 62, 51)
HSL	hsl(5, 55%, 45%)
HSV	hsv(5, 71%, 69%)
CMYK	cmyk(0%, 65%, 71.2%, 30.6%)
CIE-LAB	lab(42.81, 46.12, 31.90)
CIE-LCH	lch(42.81, 56.07, 34.67°)
OKLab	oklab(52.47% 0.1332 0.0731)
OKLCH	oklch(52.47% 0.152 28.7)
XYZ	xyz(20.4538, 13.0343, 4.5702)
Luminance	0.1303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13E33 #33A6B1

analogous

#B13367 #B13E33 #B17D33

triadic

#B13E33 #33B13E #3E33B1

tetradic

#B13E33 #67B133 #33A6B1 #7D33B1

square

#B13E33 #67B133 #33A6B1 #7D33B1

split-complementary

#B13E33 #33B17D #3367B1

monochromatic

#521D18 #812D25 #B13E33 #CE5E54 #DB8B83

Accessibility & contrast

On white

5.82

#B13E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B13E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13E33

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13E33	#FFFFFF	#000000	##FFFFFF
##B13E33	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5531

Deuteranopia (green-blind)

#7A6E2F

Tritanopia (blue-blind)

#C2213C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13e33;
/* rgb */ color: rgb(177, 62, 51);
/* oklch */ color: oklch(52.5% 0.152 28.7);

Tailwind

colors: {
  custom: {
    50: '#d0796b',
    500: '#b13e33',
    950: '#000000',
  },
}

SCSS

$custom: #b13e33;
$custom-light: #d0796b;
$custom-dark: #000000;

JSON

{
  "hex": "#b13e33",
  "rgb": {
    "r": 177,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 5.238,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52467,
    "c": 0.15193,
    "h": 28.7
  },
  "luminance": 0.13031
}

Semantic roles & 50–950 ramp

primary

#B13E33

secondary

#7BBEC5

accent

#D2DF49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13E33

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

Preview Lab → · Contrast checker → · Palette generator →