#B43B29#B43B29

#B43B29 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.160 H 31.3°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B43B29
RGB	rgb(180, 59, 41)
HSL	hsl(8, 63%, 43%)
HSV	hsv(8, 77%, 71%)
CMYK	cmyk(0%, 67.2%, 77.2%, 29.4%)
CIE-LAB	lab(42.75, 48.00, 37.64)
CIE-LCH	lch(42.75, 61.00, 38.10°)
OKLab	oklab(52.48% 0.1368 0.0831)
OKLCH	oklch(52.48% 0.16 31.3)
XYZ	xyz(20.7889, 12.9944, 3.5109)
Luminance	0.1299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B29 #29A2B4

analogous

#B4295C #B43B29 #B48029

triadic

#B43B29 #29B43B #3B29B4

tetradic

#B43B29 #5CB429 #29A2B4 #8029B4

square

#B43B29 #5CB429 #29A2B4 #8029B4

split-complementary

#B43B29 #29B480 #295CB4

monochromatic

#501A12 #822B1E #B43B29 #D55845 #E08577

Accessibility & contrast

On white

5.84

#B43B29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B43B29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B29

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B29	#FFFFFF	#000000	##FFFFFF
##B43B29	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)

#5E5426

Deuteranopia (green-blind)

#7C6F24

Tritanopia (blue-blind)

#C61638

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43b29;
/* rgb */ color: rgb(180, 59, 41);
/* oklch */ color: oklch(52.5% 0.160 31.3);

Tailwind

colors: {
  custom: {
    50: '#d37864',
    500: '#b43b29',
    950: '#000000',
  },
}

SCSS

$custom: #b43b29;
$custom-light: #d37864;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b29",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 41
  },
  "hsl": {
    "h": 7.77,
    "s": 62.896,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52484,
    "c": 0.16,
    "h": 31.3
  },
  "luminance": 0.12991
}

Semantic roles & 50–950 ramp

primary

#B43B29

secondary

#71BDC8

accent

#D1E642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B43B29

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

Preview Lab → · Contrast checker → · Palette generator →