#BC371D#BC371D

#BC371D is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.174 H 33.0°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#BC371D
RGB	rgb(188, 55, 29)
HSL	hsl(10, 73%, 43%)
HSV	hsv(10, 85%, 74%)
CMYK	cmyk(0%, 70.7%, 84.6%, 26.3%)
CIE-LAB	lab(43.53, 51.92, 45.08)
CIE-LCH	lch(43.53, 68.76, 40.97°)
OKLab	oklab(53.3% 0.1459 0.0947)
OKLCH	oklch(53.3% 0.174 33)
XYZ	xyz(22.3297, 13.5159, 2.5952)
Luminance	0.1351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC371D #1DA2BC

analogous

#BC1D53 #BC371D #BC861D

triadic

#BC371D #1DBC37 #371DBC

tetradic

#BC371D #53BC1D #1DA2BC #861DBC

square

#BC371D #53BC1D #1DA2BC #861DBC

split-complementary

#BC371D #1DBC86 #1D53BC

monochromatic

#52180D #872715 #BC371D #E05236 #E8806B

Accessibility & contrast

On white

5.67

#BC371D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#BC371D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC371D

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC371D	#FFFFFF	#000000	##FFFFFF
##BC371D	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)

#5F5418

Deuteranopia (green-blind)

#807215

Tritanopia (blue-blind)

#CF0033

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bc371d;
/* rgb */ color: rgb(188, 55, 29);
/* oklch */ color: oklch(53.3% 0.174 33.0);

Tailwind

colors: {
  custom: {
    50: '#da765c',
    500: '#bc371d',
    950: '#000000',
  },
}

SCSS

$custom: #bc371d;
$custom-light: #da765c;
$custom-dark: #000000;

JSON

{
  "hex": "#bc371d",
  "rgb": {
    "r": 188,
    "g": 55,
    "b": 29
  },
  "hsl": {
    "h": 9.811,
    "s": 73.272,
    "l": 42.549
  },
  "oklch": {
    "l": 0.53303,
    "c": 0.17393,
    "h": 33
  },
  "luminance": 0.13512
}

Semantic roles & 50–950 ramp

primary

#BC371D

secondary

#67BDCE

accent

#D2F038

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170904

muted

#857B79

Preview Lab

Preview with #BC371D

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

Preview Lab → · Contrast checker → · Palette generator →