#BB1F1E#BB1F1E

#BB1F1E is a mid, vivid red. Relative luminance 0.116; OKLCH L 51.1% C 0.190 H 27.5°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#BB1F1E
RGB	rgb(187, 31, 30)
HSL	hsl(0, 72%, 43%)
HSV	hsv(0, 84%, 73%)
CMYK	cmyk(0%, 83.4%, 84%, 26.7%)
CIE-LAB	lab(40.64, 59.18, 41.91)
CIE-LCH	lch(40.64, 72.52, 35.31°)
OKLab	oklab(51.12% 0.1688 0.088)
OKLCH	oklch(51.12% 0.19 27.5)
XYZ	xyz(21.2205, 11.6420, 2.3579)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB1F1E #1EBABB

analogous

#BB1E6C #BB1F1E #BB6D1E

triadic

#BB1F1E #1EBB1F #1F1EBB

tetradic

#BB1F1E #6CBB1E #1EBABB #6D1EBB

square

#BB1F1E #6CBB1E #1EBABB #6D1EBB

split-complementary

#BB1F1E #1EBB6D #1E6CBB

monochromatic

#520E0D #861616 #BB1F1E #DF3837 #E76D6C

Accessibility & contrast

On white

6.31

#BB1F1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#BB1F1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB1F1E

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB1F1E	#FFFFFF	#000000	##FFFFFF
##BB1F1E	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1B

Deuteranopia (green-blind)

#796C15

Tritanopia (blue-blind)

#CE0022

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #bb1f1e;
/* rgb */ color: rgb(187, 31, 30);
/* oklch */ color: oklch(51.1% 0.190 27.5);

Tailwind

colors: {
  custom: {
    50: '#da6c5c',
    500: '#bb1f1e',
    950: '#000000',
  },
}

SCSS

$custom: #bb1f1e;
$custom-light: #da6c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb1f1e",
  "rgb": {
    "r": 187,
    "g": 31,
    "b": 30
  },
  "hsl": {
    "h": 0.382,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51117,
    "c": 0.19039,
    "h": 27.5
  },
  "luminance": 0.11639
}

Semantic roles & 50–950 ramp

primary

#BB1F1E

secondary

#67CDCD

accent

#EEEF39

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170804

muted

#857B79

Preview Lab

Preview with #BB1F1E

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

Preview Lab → · Contrast checker → · Palette generator →