#B43F35#B43F35

#B43F35 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.154 H 28.3°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B43F35
RGB	rgb(180, 63, 53)
HSL	hsl(5, 55%, 46%)
HSV	hsv(5, 71%, 71%)
CMYK	cmyk(0%, 65%, 70.6%, 29.4%)
CIE-LAB	lab(43.53, 46.83, 31.71)
CIE-LCH	lch(43.53, 56.55, 34.10°)
OKLab	oklab(53.12% 0.1355 0.0729)
OKLCH	oklch(53.12% 0.154 28.3)
XYZ	xyz(21.2447, 13.5184, 4.8581)
Luminance	0.1351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F35 #35AAB4

analogous

#B4356B #B43F35 #B47E35

triadic

#B43F35 #35B43F #3F35B4

tetradic

#B43F35 #6BB435 #35AAB4 #7E35B4

square

#B43F35 #6BB435 #35AAB4 #7E35B4

split-complementary

#B43F35 #35B47E #356BB4

monochromatic

#551E19 #852E27 #B43F35 #CE6258 #DC8E88

Accessibility & contrast

On white

5.67

#B43F35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B43F35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F35

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F35	#FFFFFF	#000000	##FFFFFF
##B43F35	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)

#5F5733

Deuteranopia (green-blind)

#7C7031

Tritanopia (blue-blind)

#C6223D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b43f35;
/* rgb */ color: rgb(180, 63, 53);
/* oklch */ color: oklch(53.1% 0.154 28.3);

Tailwind

colors: {
  custom: {
    50: '#d27a6c',
    500: '#b43f35',
    950: '#000000',
  },
}

SCSS

$custom: #b43f35;
$custom-light: #d27a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f35",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 4.724,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53116,
    "c": 0.15385,
    "h": 28.3
  },
  "luminance": 0.13515
}

Semantic roles & 50–950 ramp

primary

#B43F35

secondary

#7FC0C6

accent

#D2DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B43F35

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

Preview Lab → · Contrast checker → · Palette generator →