#BB4136#BB4136

#BB4136 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.5% C 0.159 H 28.5°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#BB4136
RGB	rgb(187, 65, 54)
HSL	hsl(5, 55%, 47%)
HSV	hsv(5, 71%, 73%)
CMYK	cmyk(0%, 65.2%, 71.1%, 26.7%)
CIE-LAB	lab(45.10, 48.44, 33.27)
CIE-LCH	lch(45.10, 58.77, 34.48°)
OKLab	oklab(54.53% 0.14 0.0761)
OKLCH	oklch(54.53% 0.159 28.5)
XYZ	xyz(23.0521, 14.6150, 5.0964)
Luminance	0.1461 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4136 #36B0BB

analogous

#BB366E #BB4136 #BB8336

triadic

#BB4136 #36BB41 #4136BB

tetradic

#BB4136 #6EBB36 #36B0BB #8336BB

square

#BB4136 #6EBB36 #36B0BB #8336BB

split-complementary

#BB4136 #36BB83 #366EBB

monochromatic

#5C201B #8C3028 #BB4136 #D0675E #DE948D

Accessibility & contrast

On white

5.35

#BB4136 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#BB4136 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4136

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4136	#FFFFFF	#000000	##FFFFFF
##BB4136	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A34

Deuteranopia (green-blind)

#817532

Tritanopia (blue-blind)

#CD223F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #bb4136;
/* rgb */ color: rgb(187, 65, 54);
/* oklch */ color: oklch(54.5% 0.159 28.5);

Tailwind

colors: {
  custom: {
    50: '#d77c6d',
    500: '#bb4136',
    950: '#000000',
  },
}

SCSS

$custom: #bb4136;
$custom-light: #d77c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4136",
  "rgb": {
    "r": 187,
    "g": 65,
    "b": 54
  },
  "hsl": {
    "h": 4.962,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54529,
    "c": 0.15931,
    "h": 28.5
  },
  "luminance": 0.14612
}

Semantic roles & 50–950 ramp

primary

#BB4136

secondary

#84C3C9

accent

#D2DF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB4136

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

Preview Lab → · Contrast checker → · Palette generator →