#B43C15#B43C15

#B43C15 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.163 H 36.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B43C15
RGB	rgb(180, 60, 21)
HSL	hsl(15, 79%, 39%)
HSV	hsv(15, 88%, 71%)
CMYK	cmyk(0%, 66.7%, 88.3%, 29.4%)
CIE-LAB	lab(42.75, 46.98, 47.38)
CIE-LCH	lch(42.75, 66.72, 45.24°)
OKLab	oklab(52.43% 0.1302 0.0977)
OKLCH	oklch(52.43% 0.163 36.9)
XYZ	xyz(20.5760, 12.9923, 2.1336)
Luminance	0.1299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43C15 #158DB4

analogous

#B4153E #B43C15 #B48C15

triadic

#B43C15 #15B43C #3C15B4

tetradic

#B43C15 #3EB415 #158DB4 #8C15B4

square

#B43C15 #3EB415 #158DB4 #8C15B4

split-complementary

#B43C15 #15B48C #153EB4

monochromatic

#461708 #7D2A0F #B43C15 #E55121 #EC7C58

Accessibility & contrast

On white

5.84

#B43C15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B43C15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43C15

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43C15	#FFFFFF	#000000	##FFFFFF
##B43C15	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F540D

Deuteranopia (green-blind)

#7D6F0C

Tritanopia (blue-blind)

#C71535

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43c15;
/* rgb */ color: rgb(180, 60, 21);
/* oklch */ color: oklch(52.4% 0.163 36.9);

Tailwind

colors: {
  custom: {
    50: '#d47858',
    500: '#b43c15',
    950: '#000000',
  },
}

SCSS

$custom: #b43c15;
$custom-light: #d47858;
$custom-dark: #000000;

JSON

{
  "hex": "#b43c15",
  "rgb": {
    "r": 180,
    "g": 60,
    "b": 21
  },
  "hsl": {
    "h": 14.717,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.52431,
    "c": 0.16274,
    "h": 36.9
  },
  "luminance": 0.12989
}

Semantic roles & 50–950 ramp

primary

#B43C15

secondary

#56B1CF

accent

#C6F632

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B43C15

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

Preview Lab → · Contrast checker → · Palette generator →