#BC3F1B#BC3F1B

#BC3F1B is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.2% C 0.167 H 36.0°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#BC3F1B
RGB	rgb(188, 63, 27)
HSL	hsl(13, 75%, 42%)
HSV	hsv(13, 86%, 74%)
CMYK	cmyk(0%, 66.5%, 85.6%, 26.3%)
CIE-LAB	lab(44.70, 48.65, 47.02)
CIE-LCH	lch(44.70, 67.66, 44.02°)
OKLab	oklab(54.18% 0.1355 0.0983)
OKLCH	oklch(54.18% 0.167 36)
XYZ	xyz(22.7170, 14.3289, 2.6063)
Luminance	0.1433 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3F1B #1B98BC

analogous

#BC1B48 #BC3F1B #BC901B

triadic

#BC3F1B #1BBC3F #3F1BBC

tetradic

#BC3F1B #48BC1B #1B98BC #901BBC

square

#BC3F1B #48BC1B #1B98BC #901BBC

split-complementary

#BC3F1B #1BBC90 #1B48BC

monochromatic

#511B0C #862D13 #BC3F1B #E25A33 #E98568

Accessibility & contrast

On white

5.43

#BC3F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#BC3F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3F1B

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3F1B	#FFFFFF	#000000	##FFFFFF
##BC3F1B	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645814

Deuteranopia (green-blind)

#827414

Tritanopia (blue-blind)

#CF1738

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bc3f1b;
/* rgb */ color: rgb(188, 63, 27);
/* oklch */ color: oklch(54.2% 0.167 36.0);

Tailwind

colors: {
  custom: {
    50: '#d97a5c',
    500: '#bc3f1b',
    950: '#000000',
  },
}

SCSS

$custom: #bc3f1b;
$custom-light: #d97a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3f1b",
  "rgb": {
    "r": 188,
    "g": 63,
    "b": 27
  },
  "hsl": {
    "h": 13.416,
    "s": 74.884,
    "l": 42.157
  },
  "oklch": {
    "l": 0.54177,
    "c": 0.16739,
    "h": 36
  },
  "luminance": 0.14326
}

Semantic roles & 50–950 ramp

primary

#BC3F1B

secondary

#64B7CF

accent

#C8F236

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #BC3F1B

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

Preview Lab → · Contrast checker → · Palette generator →