#B53428#B53428

#B53428 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.168 H 29.3°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B53428
RGB	rgb(181, 52, 40)
HSL	hsl(5, 64%, 43%)
HSV	hsv(5, 78%, 71%)
CMYK	cmyk(0%, 71.3%, 77.9%, 29%)
CIE-LAB	lab(41.90, 51.10, 37.35)
CIE-LCH	lch(41.90, 63.30, 36.16°)
OKLab	oklab(51.88% 0.1461 0.0821)
OKLCH	oklch(51.88% 0.168 29.3)
XYZ	xyz(20.6694, 12.4361, 3.3191)
Luminance	0.1243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53428 #28A9B5

analogous

#B52863 #B53428 #B57A28

triadic

#B53428 #28B534 #3428B5

tetradic

#B53428 #63B528 #28A9B5 #7A28B5

square

#B53428 #63B528 #28A9B5 #7A28B5

split-complementary

#B53428 #28B57A #2863B5

monochromatic

#511712 #83261D #B53428 #D65144 #E18077

Accessibility & contrast

On white

6.02

#B53428 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B53428 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53428

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53428	#FFFFFF	#000000	##FFFFFF
##B53428	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)

#5A5125

Deuteranopia (green-blind)

#7A6D23

Tritanopia (blue-blind)

#C70032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53428;
/* rgb */ color: rgb(181, 52, 40);
/* oklch */ color: oklch(51.9% 0.168 29.3);

Tailwind

colors: {
  custom: {
    50: '#d47463',
    500: '#b53428',
    950: '#000000',
  },
}

SCSS

$custom: #b53428;
$custom-light: #d47463;
$custom-dark: #000000;

JSON

{
  "hex": "#b53428",
  "rgb": {
    "r": 181,
    "g": 52,
    "b": 40
  },
  "hsl": {
    "h": 5.106,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51875,
    "c": 0.1676,
    "h": 29.3
  },
  "luminance": 0.12433
}

Semantic roles & 50–950 ramp

primary

#B53428

secondary

#70C1C8

accent

#D9E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B53428

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

Preview Lab → · Contrast checker → · Palette generator →