#BC3729#BC3729

#BC3729 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.172 H 29.8°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#BC3729
RGB	rgb(188, 55, 41)
HSL	hsl(6, 64%, 45%)
HSV	hsv(6, 78%, 74%)
CMYK	cmyk(0%, 70.7%, 78.2%, 26.3%)
CIE-LAB	lab(43.64, 52.29, 39.02)
CIE-LCH	lch(43.64, 65.24, 36.73°)
OKLab	oklab(53.41% 0.1493 0.0855)
OKLCH	oklch(53.41% 0.172 29.8)
XYZ	xyz(22.5081, 13.5873, 3.5348)
Luminance	0.1358 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3729 #29AEBC

analogous

#BC2965 #BC3729 #BC8029

triadic

#BC3729 #29BC37 #3729BC

tetradic

#BC3729 #65BC29 #29AEBC #8029BC

square

#BC3729 #65BC29 #29AEBC #8029BC

split-complementary

#BC3729 #29BC80 #2965BC

monochromatic

#581A13 #8A281E #BC3729 #D8584B #E3867D

Accessibility & contrast

On white

5.65

#BC3729 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#BC3729 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3729

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3729	#FFFFFF	#000000	##FFFFFF
##BC3729	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5526

Deuteranopia (green-blind)

#7F7223

Tritanopia (blue-blind)

#CF0035

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bc3729;
/* rgb */ color: rgb(188, 55, 41);
/* oklch */ color: oklch(53.4% 0.172 29.8);

Tailwind

colors: {
  custom: {
    50: '#d97664',
    500: '#bc3729',
    950: '#000000',
  },
}

SCSS

$custom: #bc3729;
$custom-light: #d97664;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3729",
  "rgb": {
    "r": 188,
    "g": 55,
    "b": 41
  },
  "hsl": {
    "h": 5.714,
    "s": 64.192,
    "l": 44.902
  },
  "oklch": {
    "l": 0.53414,
    "c": 0.17199,
    "h": 29.8
  },
  "luminance": 0.13584
}

Semantic roles & 50–950 ramp

primary

#BC3729

secondary

#76C3CB

accent

#D7E741

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #BC3729

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

Preview Lab → · Contrast checker → · Palette generator →