#BB3840#BB3840

#BB3840 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.167 H 21.5°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#BB3840
RGB	rgb(187, 56, 64)
HSL	hsl(356, 54%, 48%)
HSV	hsv(356, 70%, 73%)
CMYK	cmyk(0%, 70.1%, 65.8%, 26.7%)
CIE-LAB	lab(43.90, 52.66, 25.90)
CIE-LCH	lch(43.90, 58.68, 26.19°)
OKLab	oklab(53.67% 0.1553 0.0613)
OKLCH	oklch(53.67% 0.167 21.5)
XYZ	xyz(22.8355, 13.7666, 6.3043)
Luminance	0.1376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3840 #38BBB3

analogous

#BB3881 #BB3840 #BB7238

triadic

#BB3840 #40BB38 #3840BB

tetradic

#BB3840 #81BB38 #38BBB3 #7238BB

square

#BB3840 #81BB38 #38BBB3 #7238BB

split-complementary

#BB3840 #38BB72 #3881BB

monochromatic

#5D1C20 #8C2A30 #BB3840 #D06167 #DE9094

Accessibility & contrast

On white

5.60

#BB3840 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#BB3840 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3840

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3840	#FFFFFF	#000000	##FFFFFF
##BB3840	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563F

Deuteranopia (green-blind)

#7D723C

Tritanopia (blue-blind)

#CD113C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3840;
/* rgb */ color: rgb(187, 56, 64);
/* oklch */ color: oklch(53.7% 0.167 21.5);

Tailwind

colors: {
  custom: {
    50: '#d77774',
    500: '#bb3840',
    950: '#000000',
  },
}

SCSS

$custom: #bb3840;
$custom-light: #d77774;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3840",
  "rgb": {
    "r": 187,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 356.336,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53674,
    "c": 0.167,
    "h": 21.5
  },
  "luminance": 0.13763
}

Semantic roles & 50–950 ramp

primary

#BB3840

secondary

#86C8C4

accent

#DDD44B

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB3840

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

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