#BB351F#BB351F

#BB351F is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.174 H 32.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#BB351F
RGB	rgb(187, 53, 31)
HSL	hsl(8, 72%, 43%)
HSV	hsv(8, 83%, 73%)
CMYK	cmyk(0%, 71.7%, 83.4%, 26.7%)
CIE-LAB	lab(43.08, 52.40, 43.64)
CIE-LCH	lch(43.08, 68.19, 39.78°)
OKLab	oklab(52.94% 0.1478 0.0923)
OKLCH	oklch(52.94% 0.174 32)
XYZ	xyz(22.0166, 13.2133, 2.6872)
Luminance	0.1321 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB351F #1FA5BB

analogous

#BB1F57 #BB351F #BB831F

triadic

#BB351F #1FBB35 #351FBB

tetradic

#BB351F #57BB1F #1FA5BB #831FBB

square

#BB351F #57BB1F #1FA5BB #831FBB

split-complementary

#BB351F #1FBB83 #1F57BB

monochromatic

#52170E #872616 #BB351F #DE5039 #E77F6E

Accessibility & contrast

On white

5.77

#BB351F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#BB351F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB351F

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB351F	#FFFFFF	#000000	##FFFFFF
##BB351F	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D531B

Deuteranopia (green-blind)

#7E7118

Tritanopia (blue-blind)

#CE0031

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb351f;
/* rgb */ color: rgb(187, 53, 31);
/* oklch */ color: oklch(52.9% 0.174 32.0);

Tailwind

colors: {
  custom: {
    50: '#d9755d',
    500: '#bb351f',
    950: '#000000',
  },
}

SCSS

$custom: #bb351f;
$custom-light: #d9755d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb351f",
  "rgb": {
    "r": 187,
    "g": 53,
    "b": 31
  },
  "hsl": {
    "h": 8.462,
    "s": 71.56,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52939,
    "c": 0.17429,
    "h": 32
  },
  "luminance": 0.1321
}

Semantic roles & 50–950 ramp

primary

#BB351F

secondary

#69BFCD

accent

#D5EE3A

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170904

muted

#857B79

Preview Lab

Preview with #BB351F

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

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