#BB4739#BB4739

#BB4739 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.3% C 0.153 H 29.6°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#BB4739
RGB	rgb(187, 71, 57)
HSL	hsl(6, 53%, 48%)
HSV	hsv(6, 70%, 73%)
CMYK	cmyk(0%, 62%, 69.5%, 26.7%)
CIE-LAB	lab(46.14, 45.93, 32.76)
CIE-LCH	lch(46.14, 56.42, 35.49°)
OKLab	oklab(55.32% 0.1327 0.0755)
OKLCH	oklch(55.32% 0.153 29.6)
XYZ	xyz(23.4877, 15.3699, 5.6000)
Luminance	0.1537 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4739 #39ADBB

analogous

#BB396C #BB4739 #BB8839

triadic

#BB4739 #39BB47 #4739BB

tetradic

#BB4739 #6CBB39 #39ADBB #8839BB

square

#BB4739 #6CBB39 #39ADBB #8839BB

split-complementary

#BB4739 #39BB88 #396CBB

monochromatic

#5D231C #8C352B #BB4739 #CF6E62 #DD9991

Accessibility & contrast

On white

5.16

#BB4739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#BB4739 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4739

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4739	#FFFFFF	#000000	##FFFFFF
##BB4739	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D37

Deuteranopia (green-blind)

#837736

Tritanopia (blue-blind)

#CD2D44

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #bb4739;
/* rgb */ color: rgb(187, 71, 57);
/* oklch */ color: oklch(55.3% 0.153 29.6);

Tailwind

colors: {
  custom: {
    50: '#d77f70',
    500: '#bb4739',
    950: '#000000',
  },
}

SCSS

$custom: #bb4739;
$custom-light: #d77f70;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4739",
  "rgb": {
    "r": 187,
    "g": 71,
    "b": 57
  },
  "hsl": {
    "h": 6.462,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5532,
    "c": 0.15269,
    "h": 29.6
  },
  "luminance": 0.15367
}

Semantic roles & 50–950 ramp

primary

#BB4739

secondary

#87C1C8

accent

#CDDD4B

background

#FEF8F6

surface

#FCEFEC

border

#D5CAC7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB4739

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

Preview Lab → · Contrast checker → · Palette generator →