#B43820#B43820

#B43820 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.164 H 33.0°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B43820
RGB	rgb(180, 56, 32)
HSL	hsl(10, 70%, 42%)
HSV	hsv(10, 82%, 71%)
CMYK	cmyk(0%, 68.9%, 82.2%, 29.4%)
CIE-LAB	lab(42.21, 48.93, 41.86)
CIE-LCH	lch(42.21, 64.39, 40.55°)
OKLab	oklab(52.05% 0.1379 0.0894)
OKLCH	oklch(52.05% 0.164 33)
XYZ	xyz(20.4997, 12.6390, 2.7264)
Luminance	0.1264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43820 #209CB4

analogous

#B42052 #B43820 #B48220

triadic

#B43820 #20B438 #3820B4

tetradic

#B43820 #52B420 #209CB4 #8220B4

square

#B43820 #52B420 #209CB4 #8220B4

split-complementary

#B43820 #20B482 #2052B4

monochromatic

#4C180E #802817 #B43820 #DB5136 #E47E6A

Accessibility & contrast

On white

5.95

#B43820 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B43820 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43820

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43820	#FFFFFF	#000000	##FFFFFF
##B43820	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C521C

Deuteranopia (green-blind)

#7B6E1A

Tritanopia (blue-blind)

#C60A34

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43820;
/* rgb */ color: rgb(180, 56, 32);
/* oklch */ color: oklch(52.1% 0.164 33.0);

Tailwind

colors: {
  custom: {
    50: '#d3765e',
    500: '#b43820',
    950: '#000000',
  },
}

SCSS

$custom: #b43820;
$custom-light: #d3765e;
$custom-dark: #000000;

JSON

{
  "hex": "#b43820",
  "rgb": {
    "r": 180,
    "g": 56,
    "b": 32
  },
  "hsl": {
    "h": 9.73,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52052,
    "c": 0.16438,
    "h": 33
  },
  "luminance": 0.12636
}

Semantic roles & 50–950 ramp

primary

#B43820

secondary

#66BACA

accent

#D0ED3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43820

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

Preview Lab → · Contrast checker → · Palette generator →