#B43F29#B43F29

#B43F29 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.156 H 32.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B43F29
RGB	rgb(180, 63, 41)
HSL	hsl(9, 63%, 43%)
HSV	hsv(9, 77%, 71%)
CMYK	cmyk(0%, 65%, 77.2%, 29.4%)
CIE-LAB	lab(43.39, 46.29, 38.31)
CIE-LCH	lch(43.39, 60.09, 39.62°)
OKLab	oklab(52.96% 0.1314 0.0845)
OKLCH	oklch(52.96% 0.156 32.8)
XYZ	xyz(21.0025, 13.4214, 3.5821)
Luminance	0.1342 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F29 #299EB4

analogous

#B42959 #B43F29 #B48429

triadic

#B43F29 #29B43F #3F29B4

tetradic

#B43F29 #59B429 #299EB4 #8429B4

square

#B43F29 #59B429 #299EB4 #8429B4

split-complementary

#B43F29 #29B484 #2959B4

monochromatic

#501C12 #822E1E #B43F29 #D55C45 #E08877

Accessibility & contrast

On white

5.70

#B43F29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B43F29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F29

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F29	#FFFFFF	#000000	##FFFFFF
##B43F29	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605626

Deuteranopia (green-blind)

#7D7025

Tritanopia (blue-blind)

#C61F3B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43f29;
/* rgb */ color: rgb(180, 63, 41);
/* oklch */ color: oklch(53.0% 0.156 32.8);

Tailwind

colors: {
  custom: {
    50: '#d37a64',
    500: '#b43f29',
    950: '#000000',
  },
}

SCSS

$custom: #b43f29;
$custom-light: #d37a64;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f29",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 41
  },
  "hsl": {
    "h": 9.496,
    "s": 62.896,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52963,
    "c": 0.15624,
    "h": 32.8
  },
  "luminance": 0.13418
}

Semantic roles & 50–950 ramp

primary

#B43F29

secondary

#71BAC8

accent

#CCE642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B43F29

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

Preview Lab → · Contrast checker → · Palette generator →