#BB4531#BB4531

#BB4531 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.0% C 0.156 H 31.9°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#BB4531
RGB	rgb(187, 69, 49)
HSL	hsl(9, 58%, 46%)
HSV	hsv(9, 74%, 73%)
CMYK	cmyk(0%, 63.1%, 73.8%, 26.7%)
CIE-LAB	lab(45.70, 46.45, 36.77)
CIE-LCH	lch(45.70, 59.24, 38.37°)
OKLab	oklab(54.96% 0.1327 0.0827)
OKLCH	oklch(54.96% 0.156 31.9)
XYZ	xyz(23.1785, 15.0461, 4.5888)
Luminance	0.1504 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4531 #31A7BB

analogous

#BB3162 #BB4531 #BB8A31

triadic

#BB4531 #31BB45 #4531BB

tetradic

#BB4531 #62BB31 #31A7BB #8A31BB

square

#BB4531 #62BB31 #31A7BB #8A31BB

split-complementary

#BB4531 #31BB8A #3162BB

monochromatic

#5A2118 #8B3324 #BB4531 #D36856 #E09487

Accessibility & contrast

On white

5.24

#BB4531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#BB4531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4531

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4531	#FFFFFF	#000000	##FFFFFF
##BB4531	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C2E

Deuteranopia (green-blind)

#83762D

Tritanopia (blue-blind)

#CE2841

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #bb4531;
/* rgb */ color: rgb(187, 69, 49);
/* oklch */ color: oklch(55.0% 0.156 31.9);

Tailwind

colors: {
  custom: {
    50: '#d77e6a',
    500: '#bb4531',
    950: '#000000',
  },
}

SCSS

$custom: #bb4531;
$custom-light: #d77e6a;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4531",
  "rgb": {
    "r": 187,
    "g": 69,
    "b": 49
  },
  "hsl": {
    "h": 8.696,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54957,
    "c": 0.15637,
    "h": 31.9
  },
  "luminance": 0.15043
}

Semantic roles & 50–950 ramp

primary

#BB4531

secondary

#7FBEC9

accent

#CBE246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #BB4531

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

Preview Lab → · Contrast checker → · Palette generator →