#BC4037#BC4037

#BC4037 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.6% C 0.161 H 27.8°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#BC4037
RGB	rgb(188, 64, 55)
HSL	hsl(4, 55%, 48%)
HSV	hsv(4, 71%, 74%)
CMYK	cmyk(0%, 66%, 70.7%, 26.3%)
CIE-LAB	lab(45.13, 49.26, 32.78)
CIE-LCH	lch(45.13, 59.17, 33.64°)
OKLab	oklab(54.59% 0.1426 0.0752)
OKLCH	oklch(54.59% 0.161 27.8)
XYZ	xyz(23.2645, 14.6373, 5.2139)
Luminance	0.1463 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC4037 #37B3BC

analogous

#BC3771 #BC4037 #BC8237

triadic

#BC4037 #37BC40 #4037BC

tetradic

#BC4037 #71BC37 #37B3BC #8237BC

square

#BC4037 #71BC37 #37B3BC #8237BC

split-complementary

#BC4037 #37BC82 #3771BC

monochromatic

#5D201B #8D3029 #BC4037 #D06760 #DE948F

Accessibility & contrast

On white

5.35

#BC4037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#BC4037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC4037

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC4037	#FFFFFF	#000000	##FFFFFF
##BC4037	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A35

Deuteranopia (green-blind)

#817533

Tritanopia (blue-blind)

#CF1F3F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #bc4037;
/* rgb */ color: rgb(188, 64, 55);
/* oklch */ color: oklch(54.6% 0.161 27.8);

Tailwind

colors: {
  custom: {
    50: '#d87b6e',
    500: '#bc4037',
    950: '#000000',
  },
}

SCSS

$custom: #bc4037;
$custom-light: #d87b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#bc4037",
  "rgb": {
    "r": 188,
    "g": 64,
    "b": 55
  },
  "hsl": {
    "h": 4.06,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5459,
    "c": 0.16121,
    "h": 27.8
  },
  "luminance": 0.14634
}

Semantic roles & 50–950 ramp

primary

#BC4037

secondary

#86C4C9

accent

#D4DE4A

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BC4037

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

Preview Lab → · Contrast checker → · Palette generator →