#BB301E#BB301E

#BB301E is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.179 H 30.9°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#BB301E
RGB	rgb(187, 48, 30)
HSL	hsl(7, 72%, 43%)
HSV	hsv(7, 84%, 73%)
CMYK	cmyk(0%, 74.3%, 84%, 26.7%)
CIE-LAB	lab(42.42, 54.18, 43.53)
CIE-LCH	lch(42.42, 69.50, 38.78°)
OKLab	oklab(52.44% 0.1532 0.0917)
OKLCH	oklch(52.44% 0.179 30.9)
XYZ	xyz(21.7875, 12.7759, 2.5468)
Luminance	0.1277 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB301E #1EA9BB

analogous

#BB1E5A #BB301E #BB7E1E

triadic

#BB301E #1EBB30 #301EBB

tetradic

#BB301E #5ABB1E #1EA9BB #7E1EBB

square

#BB301E #5ABB1E #1EA9BB #7E1EBB

split-complementary

#BB301E #1EBB7E #1E5ABB

monochromatic

#52150D #862216 #BB301E #DF4A37 #E77A6C

Accessibility & contrast

On white

5.91

#BB301E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#BB301E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB301E

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB301E	#FFFFFF	#000000	##FFFFFF
##BB301E	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511A

Deuteranopia (green-blind)

#7D6F16

Tritanopia (blue-blind)

#CE002D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #bb301e;
/* rgb */ color: rgb(187, 48, 30);
/* oklch */ color: oklch(52.4% 0.179 30.9);

Tailwind

colors: {
  custom: {
    50: '#d9735c',
    500: '#bb301e',
    950: '#000000',
  },
}

SCSS

$custom: #bb301e;
$custom-light: #d9735c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb301e",
  "rgb": {
    "r": 187,
    "g": 48,
    "b": 30
  },
  "hsl": {
    "h": 6.879,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52443,
    "c": 0.17852,
    "h": 30.9
  },
  "luminance": 0.12772
}

Semantic roles & 50–950 ramp

primary

#BB301E

secondary

#67C2CD

accent

#DAEF39

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170904

muted

#857B79

Preview Lab

Preview with #BB301E

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

Preview Lab → · Contrast checker → · Palette generator →