#B43928#B43928

#B43928 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.162 H 30.9°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B43928
RGB	rgb(180, 57, 40)
HSL	hsl(7, 64%, 43%)
HSV	hsv(7, 78%, 71%)
CMYK	cmyk(0%, 68.3%, 77.8%, 29.4%)
CIE-LAB	lab(42.44, 48.79, 37.86)
CIE-LCH	lch(42.44, 61.76, 37.81°)
OKLab	oklab(52.24% 0.139 0.0833)
OKLCH	oklch(52.24% 0.162 30.9)
XYZ	xyz(20.6709, 12.7858, 3.3865)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43928 #28A3B4

analogous

#B4285D #B43928 #B47F28

triadic

#B43928 #28B439 #3928B4

tetradic

#B43928 #5DB428 #28A3B4 #7F28B4

square

#B43928 #5DB428 #28A3B4 #7F28B4

split-complementary

#B43928 #28B47F #285DB4

monochromatic

#501912 #82291D #B43928 #D55544 #E18376

Accessibility & contrast

On white

5.90

#B43928 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B43928 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43928

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43928	#FFFFFF	#000000	##FFFFFF
##B43928	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5325

Deuteranopia (green-blind)

#7B6E23

Tritanopia (blue-blind)

#C61136

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43928;
/* rgb */ color: rgb(180, 57, 40);
/* oklch */ color: oklch(52.2% 0.162 30.9);

Tailwind

colors: {
  custom: {
    50: '#d37663',
    500: '#b43928',
    950: '#000000',
  },
}

SCSS

$custom: #b43928;
$custom-light: #d37663;
$custom-dark: #000000;

JSON

{
  "hex": "#b43928",
  "rgb": {
    "r": 180,
    "g": 57,
    "b": 40
  },
  "hsl": {
    "h": 7.286,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52244,
    "c": 0.16203,
    "h": 30.9
  },
  "luminance": 0.12783
}

Semantic roles & 50–950 ramp

primary

#B43928

secondary

#70BDC8

accent

#D3E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43928

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

Preview Lab → · Contrast checker → · Palette generator →