#BC3734#BC3734

#BC3734 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.6% C 0.170 H 26.1°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#BC3734
RGB	rgb(188, 55, 52)
HSL	hsl(1, 57%, 47%)
HSV	hsv(1, 72%, 74%)
CMYK	cmyk(0%, 70.7%, 72.3%, 26.3%)
CIE-LAB	lab(43.76, 52.74, 32.93)
CIE-LCH	lch(43.76, 62.18, 31.98°)
OKLab	oklab(53.55% 0.153 0.0749)
OKLCH	oklch(53.55% 0.17 26.1)
XYZ	xyz(22.7276, 13.6751, 4.6910)
Luminance	0.1367 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3734 #34B9BC

analogous

#BC3475 #BC3734 #BC7B34

triadic

#BC3734 #34BC37 #3734BC

tetradic

#BC3734 #75BC34 #34B9BC #7B34BC

square

#BC3734 #75BC34 #34B9BC #7B34BC

split-complementary

#BC3734 #34BC7B #3475BC

monochromatic

#5C1B19 #8C2927 #BC3734 #D25E5B #DF8D8B

Accessibility & contrast

On white

5.62

#BC3734 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#BC3734 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3734

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3734	#FFFFFF	#000000	##FFFFFF
##BC3734	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5532

Deuteranopia (green-blind)

#7E722F

Tritanopia (blue-blind)

#CF0438

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bc3734;
/* rgb */ color: rgb(188, 55, 52);
/* oklch */ color: oklch(53.6% 0.170 26.1);

Tailwind

colors: {
  custom: {
    50: '#d8776c',
    500: '#bc3734',
    950: '#000000',
  },
}

SCSS

$custom: #bc3734;
$custom-light: #d8776c;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3734",
  "rgb": {
    "r": 188,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.324,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53551,
    "c": 0.17031,
    "h": 26.1
  },
  "luminance": 0.13672
}

Semantic roles & 50–950 ramp

primary

#BC3734

secondary

#83C8C9

accent

#DDE048

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BC3734

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

Preview Lab → · Contrast checker → · Palette generator →