#B54136#B54136

#B54136 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.5% C 0.153 H 28.6°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#B54136
RGB	rgb(181, 65, 54)
HSL	hsl(5, 54%, 46%)
HSV	hsv(5, 70%, 71%)
CMYK	cmyk(0%, 64.1%, 70.2%, 29%)
CIE-LAB	lab(44.05, 46.35, 31.78)
CIE-LCH	lch(44.05, 56.20, 34.44°)
OKLab	oklab(53.54% 0.1341 0.0731)
OKLCH	oklch(53.54% 0.153 28.6)
XYZ	xyz(21.6145, 13.8737, 5.0291)
Luminance	0.1387 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54136 #36AAB5

analogous

#B5366A #B54136 #B58036

triadic

#B54136 #36B541 #4136B5

tetradic

#B54136 #6AB536 #36AAB5 #8036B5

square

#B54136 #6AB536 #36AAB5 #8036B5

split-complementary

#B54136 #36B580 #366AB5

monochromatic

#571F1A #863028 #B54136 #CE645A #DC9189

Accessibility & contrast

On white

5.56

#B54136 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B54136 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54136

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54136	#FFFFFF	#000000	##FFFFFF
##B54136	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615834

Deuteranopia (green-blind)

#7D7233

Tritanopia (blue-blind)

#C7253F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b54136;
/* rgb */ color: rgb(181, 65, 54);
/* oklch */ color: oklch(53.5% 0.153 28.6);

Tailwind

colors: {
  custom: {
    50: '#d27b6d',
    500: '#b54136',
    950: '#000000',
  },
}

SCSS

$custom: #b54136;
$custom-light: #d27b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b54136",
  "rgb": {
    "r": 181,
    "g": 65,
    "b": 54
  },
  "hsl": {
    "h": 5.197,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53542,
    "c": 0.15274,
    "h": 28.6
  },
  "luminance": 0.13871
}

Semantic roles & 50–950 ramp

primary

#B54136

secondary

#81C0C6

accent

#D1DD4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B54136

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

Preview Lab → · Contrast checker → · Palette generator →