#B43821#B43821

#B43821 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.164 H 32.7°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B43821
RGB	rgb(180, 56, 33)
HSL	hsl(9, 69%, 42%)
HSV	hsv(9, 82%, 71%)
CMYK	cmyk(0%, 68.9%, 81.7%, 29.4%)
CIE-LAB	lab(42.22, 48.96, 41.36)
CIE-LCH	lch(42.22, 64.09, 40.19°)
OKLab	oklab(52.06% 0.1382 0.0887)
OKLCH	oklch(52.06% 0.164 32.7)
XYZ	xyz(20.5135, 12.6446, 2.7991)
Luminance	0.1264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43821 #219DB4

analogous

#B42154 #B43821 #B48221

triadic

#B43821 #21B438 #3821B4

tetradic

#B43821 #54B421 #219DB4 #8221B4

square

#B43821 #54B421 #219DB4 #8221B4

split-complementary

#B43821 #21B482 #2154B4

monochromatic

#4D180E #802818 #B43821 #DA5138 #E47E6B

Accessibility & contrast

On white

5.95

#B43821 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B43821 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43821

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43821	#FFFFFF	#000000	##FFFFFF
##B43821	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)

#5C521D

Deuteranopia (green-blind)

#7B6E1B

Tritanopia (blue-blind)

#C60B34

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43821;
/* rgb */ color: rgb(180, 56, 33);
/* oklch */ color: oklch(52.1% 0.164 32.7);

Tailwind

colors: {
  custom: {
    50: '#d3765e',
    500: '#b43821',
    950: '#000000',
  },
}

SCSS

$custom: #b43821;
$custom-light: #d3765e;
$custom-dark: #000000;

JSON

{
  "hex": "#b43821",
  "rgb": {
    "r": 180,
    "g": 56,
    "b": 33
  },
  "hsl": {
    "h": 9.388,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.52061,
    "c": 0.16421,
    "h": 32.7
  },
  "luminance": 0.12641
}

Semantic roles & 50–950 ramp

primary

#B43821

secondary

#67BACA

accent

#D0EC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43821

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

Preview Lab → · Contrast checker → · Palette generator →