#BC3537#BC3537

#BC3537 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.4% C 0.172 H 24.4°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#BC3537
RGB	rgb(188, 53, 55)
HSL	hsl(359, 56%, 47%)
HSV	hsv(359, 72%, 74%)
CMYK	cmyk(0%, 71.8%, 70.7%, 26.3%)
CIE-LAB	lab(43.53, 53.63, 30.89)
CIE-LCH	lch(43.53, 61.89, 29.94°)
OKLab	oklab(53.39% 0.1564 0.071)
OKLCH	oklch(53.39% 0.172 24.4)
XYZ	xyz(22.7042, 13.5168, 5.0272)
Luminance	0.1351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3537 #35BCBA

analogous

#BC357B #BC3537 #BC7635

triadic

#BC3537 #37BC35 #3537BC

tetradic

#BC3537 #7BBC35 #35BCBA #7635BC

square

#BC3537 #7BBC35 #35BCBA #7635BC

split-complementary

#BC3537 #35BC76 #357BBC

monochromatic

#5D1A1B #8C2829 #BC3537 #D15D5F #DF8D8E

Accessibility & contrast

On white

5.67

#BC3537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#BC3537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3537

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3537	#FFFFFF	#000000	##FFFFFF
##BC3537	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5436

Deuteranopia (green-blind)

#7D7133

Tritanopia (blue-blind)

#CF0037

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bc3537;
/* rgb */ color: rgb(188, 53, 55);
/* oklch */ color: oklch(53.4% 0.172 24.4);

Tailwind

colors: {
  custom: {
    50: '#d8766e',
    500: '#bc3537',
    950: '#000000',
  },
}

SCSS

$custom: #bc3537;
$custom-light: #d8766e;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3537",
  "rgb": {
    "r": 188,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 359.111,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53391,
    "c": 0.17178,
    "h": 24.4
  },
  "luminance": 0.13513
}

Semantic roles & 50–950 ramp

primary

#BC3537

secondary

#84C9C8

accent

#DFDD48

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BC3537

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

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