#B43F2F#B43F2F

#B43F2F is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.0% C 0.155 H 30.6°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B43F2F
RGB	rgb(180, 63, 47)
HSL	hsl(7, 59%, 45%)
HSV	hsv(7, 74%, 71%)
CMYK	cmyk(0%, 65%, 73.9%, 29.4%)
CIE-LAB	lab(43.46, 46.54, 35.07)
CIE-LCH	lch(43.46, 58.27, 37.00°)
OKLab	oklab(53.03% 0.1334 0.079)
OKLCH	oklch(53.03% 0.155 30.6)
XYZ	xyz(21.1153, 13.4666, 4.1762)
Luminance	0.1346 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F2F #2FA4B4

analogous

#B42F62 #B43F2F #B4822F

triadic

#B43F2F #2FB43F #3F2FB4

tetradic

#B43F2F #62B42F #2FA4B4 #822FB4

square

#B43F2F #62B42F #2FA4B4 #822FB4

split-complementary

#B43F2F #2FB482 #2F62B4

monochromatic

#531D16 #832E22 #B43F2F #D15F4F #DE8B80

Accessibility & contrast

On white

5.69

#B43F2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B43F2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F2F

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F2F	#FFFFFF	#000000	##FFFFFF
##B43F2F	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60562D

Deuteranopia (green-blind)

#7D702B

Tritanopia (blue-blind)

#C6203C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b43f2f;
/* rgb */ color: rgb(180, 63, 47);
/* oklch */ color: oklch(53.0% 0.155 30.6);

Tailwind

colors: {
  custom: {
    50: '#d27a68',
    500: '#b43f2f',
    950: '#000000',
  },
}

SCSS

$custom: #b43f2f;
$custom-light: #d27a68;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f2f",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 47
  },
  "hsl": {
    "h": 7.218,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53034,
    "c": 0.155,
    "h": 30.6
  },
  "luminance": 0.13464
}

Semantic roles & 50–950 ramp

primary

#B43F2F

secondary

#78BDC7

accent

#CFE246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B43F2F

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

Preview Lab → · Contrast checker → · Palette generator →