#B43321#B43321

#B43321 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.5% C 0.169 H 31.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B43321
RGB	rgb(180, 51, 33)
HSL	hsl(7, 69%, 42%)
HSV	hsv(7, 82%, 71%)
CMYK	cmyk(0%, 71.7%, 81.7%, 29.4%)
CIE-LAB	lab(41.51, 50.92, 40.67)
CIE-LCH	lch(41.51, 65.16, 38.61°)
OKLab	oklab(51.53% 0.1443 0.0872)
OKLCH	oklch(51.53% 0.169 31.1)
XYZ	xyz(20.2831, 12.1839, 2.7223)
Luminance	0.1218 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43321 #21A2B4

analogous

#B42159 #B43321 #B47D21

triadic

#B43321 #21B433 #3321B4

tetradic

#B43321 #59B421 #21A2B4 #7D21B4

square

#B43321 #59B421 #21A2B4 #7D21B4

split-complementary

#B43321 #21B47D #2159B4

monochromatic

#4D160E #802418 #B43321 #DA4C38 #E47A6B

Accessibility & contrast

On white

6.11

#B43321 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B43321 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43321

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43321	#FFFFFF	#000000	##FFFFFF
##B43321	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A501E

Deuteranopia (green-blind)

#796C1B

Tritanopia (blue-blind)

#C60030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43321;
/* rgb */ color: rgb(180, 51, 33);
/* oklch */ color: oklch(51.5% 0.169 31.1);

Tailwind

colors: {
  custom: {
    50: '#d4735e',
    500: '#b43321',
    950: '#000000',
  },
}

SCSS

$custom: #b43321;
$custom-light: #d4735e;
$custom-dark: #000000;

JSON

{
  "hex": "#b43321",
  "rgb": {
    "r": 180,
    "g": 51,
    "b": 33
  },
  "hsl": {
    "h": 7.347,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51525,
    "c": 0.16858,
    "h": 31.1
  },
  "luminance": 0.12181
}

Semantic roles & 50–950 ramp

primary

#B43321

secondary

#67BECA

accent

#D6EC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43321

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

Preview Lab → · Contrast checker → · Palette generator →