#B7443B#B7443B

#B7443B is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.3% C 0.151 H 27.6°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#B7443B
RGB	rgb(183, 68, 59)
HSL	hsl(4, 51%, 47%)
HSV	hsv(4, 68%, 72%)
CMYK	cmyk(0%, 62.8%, 67.8%, 28.2%)
CIE-LAB	lab(44.97, 45.98, 30.04)
CIE-LCH	lch(44.97, 54.93, 33.16°)
OKLab	oklab(54.32% 0.1337 0.07)
OKLCH	oklch(54.32% 0.151 27.6)
XYZ	xyz(22.3872, 14.5204, 5.7607)
Luminance	0.1452 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7443B #3BAEB7

analogous

#B73B70 #B7443B #B7823B

triadic

#B7443B #3BB744 #443BB7

tetradic

#B7443B #70B73B #3BAEB7 #823BB7

square

#B7443B #70B73B #3BAEB7 #823BB7

split-complementary

#B7443B #3BB782 #3B70B7

monochromatic

#5A221D #89332C #B7443B #CD6A63 #DC9691

Accessibility & contrast

On white

5.38

#B7443B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#B7443B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7443B

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7443B	#FFFFFF	#000000	##FFFFFF
##B7443B	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B39

Deuteranopia (green-blind)

#7F7438

Tritanopia (blue-blind)

#C92A43

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b7443b;
/* rgb */ color: rgb(183, 68, 59);
/* oklch */ color: oklch(54.3% 0.151 27.6);

Tailwind

colors: {
  custom: {
    50: '#d37d71',
    500: '#b7443b',
    950: '#000000',
  },
}

SCSS

$custom: #b7443b;
$custom-light: #d37d71;
$custom-dark: #000000;

JSON

{
  "hex": "#b7443b",
  "rgb": {
    "r": 183,
    "g": 68,
    "b": 59
  },
  "hsl": {
    "h": 4.355,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54321,
    "c": 0.15095,
    "h": 27.6
  },
  "luminance": 0.14517
}

Semantic roles & 50–950 ramp

primary

#B7443B

secondary

#87C2C6

accent

#D0DB4D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B7443B

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

Preview Lab → · Contrast checker → · Palette generator →