#B43725#B43725

#B43725 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.164 H 31.2°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B43725
RGB	rgb(180, 55, 37)
HSL	hsl(8, 66%, 43%)
HSV	hsv(8, 79%, 71%)
CMYK	cmyk(0%, 69.4%, 79.4%, 29.4%)
CIE-LAB	lab(42.11, 49.49, 39.15)
CIE-LCH	lch(42.11, 63.10, 38.34°)
OKLab	oklab(51.99% 0.1406 0.0852)
OKLCH	oklch(51.99% 0.164 31.2)
XYZ	xyz(20.5249, 12.5723, 3.0959)
Luminance	0.1257 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43725 #25A2B4

analogous

#B4255B #B43725 #B47E25

triadic

#B43725 #25B437 #3725B4

tetradic

#B43725 #5BB425 #25A2B4 #7E25B4

square

#B43725 #5BB425 #25A2B4 #7E25B4

split-complementary

#B43725 #25B47E #255BB4

monochromatic

#4E1810 #81271B #B43725 #D7523F #E28071

Accessibility & contrast

On white

5.98

#B43725 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B43725 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43725

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43725	#FFFFFF	#000000	##FFFFFF
##B43725	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5222

Deuteranopia (green-blind)

#7A6D20

Tritanopia (blue-blind)

#C60834

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43725;
/* rgb */ color: rgb(180, 55, 37);
/* oklch */ color: oklch(52.0% 0.164 31.2);

Tailwind

colors: {
  custom: {
    50: '#d37561',
    500: '#b43725',
    950: '#000000',
  },
}

SCSS

$custom: #b43725;
$custom-light: #d37561;
$custom-dark: #000000;

JSON

{
  "hex": "#b43725",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 37
  },
  "hsl": {
    "h": 7.552,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51989,
    "c": 0.16439,
    "h": 31.2
  },
  "luminance": 0.12569
}

Semantic roles & 50–950 ramp

primary

#B43725

secondary

#6CBDC9

accent

#D3E93F

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43725

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

Preview Lab → · Contrast checker → · Palette generator →