#B53628#B53628

#B53628 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.166 H 29.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B53628
RGB	rgb(181, 54, 40)
HSL	hsl(6, 64%, 43%)
HSV	hsv(6, 78%, 71%)
CMYK	cmyk(0%, 70.2%, 77.9%, 29%)
CIE-LAB	lab(42.18, 50.33, 37.65)
CIE-LCH	lch(42.18, 62.85, 36.80°)
OKLab	oklab(52.09% 0.1437 0.0827)
OKLCH	oklch(52.09% 0.166 29.9)
XYZ	xyz(20.7606, 12.6184, 3.3495)
Luminance	0.1262 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53628 #28A7B5

analogous

#B52861 #B53628 #B57C28

triadic

#B53628 #28B536 #3628B5

tetradic

#B53628 #61B528 #28A7B5 #7C28B5

square

#B53628 #61B528 #28A7B5 #7C28B5

split-complementary

#B53628 #28B57C #2861B5

monochromatic

#511812 #83271D #B53628 #D65344 #E18177

Accessibility & contrast

On white

5.96

#B53628 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B53628 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53628

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53628	#FFFFFF	#000000	##FFFFFF
##B53628	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5225

Deuteranopia (green-blind)

#7B6E23

Tritanopia (blue-blind)

#C70434

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53628;
/* rgb */ color: rgb(181, 54, 40);
/* oklch */ color: oklch(52.1% 0.166 29.9);

Tailwind

colors: {
  custom: {
    50: '#d47563',
    500: '#b53628',
    950: '#000000',
  },
}

SCSS

$custom: #b53628;
$custom-light: #d47563;
$custom-dark: #000000;

JSON

{
  "hex": "#b53628",
  "rgb": {
    "r": 181,
    "g": 54,
    "b": 40
  },
  "hsl": {
    "h": 5.957,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52086,
    "c": 0.16582,
    "h": 29.9
  },
  "luminance": 0.12615
}

Semantic roles & 50–950 ramp

primary

#B53628

secondary

#70C0C8

accent

#D6E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B53628

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

Preview Lab → · Contrast checker → · Palette generator →