#B43621#B43621

#B43621 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.166 H 32.0°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B43621
RGB	rgb(180, 54, 33)
HSL	hsl(9, 69%, 42%)
HSV	hsv(9, 82%, 71%)
CMYK	cmyk(0%, 70%, 81.7%, 29.4%)
CIE-LAB	lab(41.93, 49.76, 41.08)
CIE-LCH	lch(41.93, 64.52, 39.54°)
OKLab	oklab(51.84% 0.1407 0.0881)
OKLCH	oklch(51.84% 0.166 32)
XYZ	xyz(20.4185, 12.4546, 2.7674)
Luminance	0.1245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43621 #219FB4

analogous

#B42156 #B43621 #B47F21

triadic

#B43621 #21B436 #3621B4

tetradic

#B43621 #56B421 #219FB4 #7F21B4

square

#B43621 #56B421 #219FB4 #7F21B4

split-complementary

#B43621 #21B47F #2156B4

monochromatic

#4D170E #802618 #B43621 #DA4F38 #E47D6B

Accessibility & contrast

On white

6.02

#B43621 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B43621 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43621

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43621	#FFFFFF	#000000	##FFFFFF
##B43621	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511D

Deuteranopia (green-blind)

#7A6D1B

Tritanopia (blue-blind)

#C60332

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43621;
/* rgb */ color: rgb(180, 54, 33);
/* oklch */ color: oklch(51.8% 0.166 32.0);

Tailwind

colors: {
  custom: {
    50: '#d3755e',
    500: '#b43621',
    950: '#000000',
  },
}

SCSS

$custom: #b43621;
$custom-light: #d3755e;
$custom-dark: #000000;

JSON

{
  "hex": "#b43621",
  "rgb": {
    "r": 180,
    "g": 54,
    "b": 33
  },
  "hsl": {
    "h": 8.571,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51841,
    "c": 0.16597,
    "h": 32
  },
  "luminance": 0.12451
}

Semantic roles & 50–950 ramp

primary

#B43621

secondary

#67BCCA

accent

#D3EC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43621

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

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