#B43B2F#B43B2F

#B43B2F is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.159 H 29.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B43B2F
RGB	rgb(180, 59, 47)
HSL	hsl(5, 59%, 45%)
HSV	hsv(5, 74%, 71%)
CMYK	cmyk(0%, 67.2%, 73.9%, 29.4%)
CIE-LAB	lab(42.82, 48.25, 34.36)
CIE-LCH	lch(42.82, 59.23, 35.45°)
OKLab	oklab(52.56% 0.1388 0.0774)
OKLCH	oklch(52.56% 0.159 29.2)
XYZ	xyz(20.9017, 13.0395, 4.1050)
Luminance	0.1304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B2F #2FA8B4

analogous

#B42F65 #B43B2F #B47E2F

triadic

#B43B2F #2FB43B #3B2FB4

tetradic

#B43B2F #65B42F #2FA8B4 #7E2FB4

square

#B43B2F #65B42F #2FA8B4 #7E2FB4

split-complementary

#B43B2F #2FB47E #2F65B4

monochromatic

#531B16 #832B22 #B43B2F #D15B4F #DE8880

Accessibility & contrast

On white

5.82

#B43B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B43B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B2F

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B2F	#FFFFFF	#000000	##FFFFFF
##B43B2F	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542D

Deuteranopia (green-blind)

#7B6F2B

Tritanopia (blue-blind)

#C61839

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43b2f;
/* rgb */ color: rgb(180, 59, 47);
/* oklch */ color: oklch(52.6% 0.159 29.2);

Tailwind

colors: {
  custom: {
    50: '#d27868',
    500: '#b43b2f',
    950: '#000000',
  },
}

SCSS

$custom: #b43b2f;
$custom-light: #d27868;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b2f",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 47
  },
  "hsl": {
    "h": 5.414,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52557,
    "c": 0.15889,
    "h": 29.2
  },
  "luminance": 0.13036
}

Semantic roles & 50–950 ramp

primary

#B43B2F

secondary

#78C0C7

accent

#D4E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43B2F

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

Preview Lab → · Contrast checker → · Palette generator →