#BB4138#BB4138

#BB4138 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.6% C 0.159 H 27.7°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#BB4138
RGB	rgb(187, 65, 56)
HSL	hsl(4, 54%, 48%)
HSV	hsv(4, 70%, 73%)
CMYK	cmyk(0%, 65.2%, 70.1%, 26.7%)
CIE-LAB	lab(45.13, 48.54, 32.15)
CIE-LCH	lch(45.13, 58.22, 33.51°)
OKLab	oklab(54.56% 0.1407 0.074)
OKLCH	oklch(54.56% 0.159 27.7)
XYZ	xyz(23.1001, 14.6342, 5.3489)
Luminance	0.1463 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4138 #38B2BB

analogous

#BB3871 #BB4138 #BB8238

triadic

#BB4138 #38BB41 #4138BB

tetradic

#BB4138 #71BB38 #38B2BB #8238BB

square

#BB4138 #71BB38 #38B2BB #8238BB

split-complementary

#BB4138 #38BB82 #3871BB

monochromatic

#5D201C #8C312A #BB4138 #D06861 #DE9590

Accessibility & contrast

On white

5.35

#BB4138 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#BB4138 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4138

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4138	#FFFFFF	#000000	##FFFFFF
##BB4138	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A36

Deuteranopia (green-blind)

#817534

Tritanopia (blue-blind)

#CD2240

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #bb4138;
/* rgb */ color: rgb(187, 65, 56);
/* oklch */ color: oklch(54.6% 0.159 27.7);

Tailwind

colors: {
  custom: {
    50: '#d77c6f',
    500: '#bb4138',
    950: '#000000',
  },
}

SCSS

$custom: #bb4138;
$custom-light: #d77c6f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4138",
  "rgb": {
    "r": 187,
    "g": 65,
    "b": 56
  },
  "hsl": {
    "h": 4.122,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54558,
    "c": 0.15896,
    "h": 27.7
  },
  "luminance": 0.14631
}

Semantic roles & 50–950 ramp

primary

#BB4138

secondary

#86C4C8

accent

#D3DD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB4138

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

Preview Lab → · Contrast checker → · Palette generator →