#BB3B27#BB3B27

#BB3B27 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.168 H 31.6°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#BB3B27
RGB	rgb(187, 59, 39)
HSL	hsl(8, 65%, 44%)
HSV	hsv(8, 79%, 73%)
CMYK	cmyk(0%, 68.4%, 79.1%, 26.7%)
CIE-LAB	lab(44.01, 50.32, 40.42)
CIE-LCH	lch(44.01, 64.54, 38.77°)
OKLab	oklab(53.65% 0.1428 0.088)
OKLCH	oklch(53.65% 0.168 31.6)
XYZ	xyz(22.4263, 13.8426, 3.4101)
Luminance	0.1384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3B27 #27A7BB

analogous

#BB275D #BB3B27 #BB8527

triadic

#BB3B27 #27BB3B #3B27BB

tetradic

#BB3B27 #5DBB27 #27A7BB #8527BB

square

#BB3B27 #5DBB27 #27A7BB #8527BB

split-complementary

#BB3B27 #27BB85 #275DBB

monochromatic

#561B12 #882B1C #BB3B27 #D95A47 #E38879

Accessibility & contrast

On white

5.57

#BB3B27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#BB3B27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3B27

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3B27	#FFFFFF	#000000	##FFFFFF
##BB3B27	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605624

Deuteranopia (green-blind)

#807222

Tritanopia (blue-blind)

#CE0F37

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3b27;
/* rgb */ color: rgb(187, 59, 39);
/* oklch */ color: oklch(53.7% 0.168 31.6);

Tailwind

colors: {
  custom: {
    50: '#d87863',
    500: '#bb3b27',
    950: '#000000',
  },
}

SCSS

$custom: #bb3b27;
$custom-light: #d87863;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3b27",
  "rgb": {
    "r": 187,
    "g": 59,
    "b": 39
  },
  "hsl": {
    "h": 8.108,
    "s": 65.487,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53652,
    "c": 0.16774,
    "h": 31.6
  },
  "luminance": 0.13839
}

Semantic roles & 50–950 ramp

primary

#BB3B27

secondary

#73BFCB

accent

#D2E83F

background

#FEF7F5

surface

#FDEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #BB3B27

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

Preview Lab → · Contrast checker → · Palette generator →