#B83529#B83529

#B83529 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.170 H 29.3°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B83529
RGB	rgb(184, 53, 41)
HSL	hsl(5, 64%, 44%)
HSV	hsv(5, 78%, 72%)
CMYK	cmyk(0%, 71.2%, 77.7%, 27.8%)
CIE-LAB	lab(42.61, 51.74, 37.72)
CIE-LCH	lch(42.61, 64.03, 36.09°)
OKLab	oklab(52.51% 0.148 0.0829)
OKLCH	oklch(52.51% 0.17 29.3)
XYZ	xyz(21.4430, 12.8999, 3.4582)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83529 #29ACB8

analogous

#B82965 #B83529 #B87D29

triadic

#B83529 #29B835 #3529B8

tetradic

#B83529 #65B829 #29ACB8 #7D29B8

square

#B83529 #65B829 #29ACB8 #7D29B8

split-complementary

#B83529 #29B87D #2965B8

monochromatic

#541813 #86271E #B83529 #D65448 #E1837A

Accessibility & contrast

On white

5.87

#B83529 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B83529 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83529

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83529	#FFFFFF	#000000	##FFFFFF
##B83529	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5226

Deuteranopia (green-blind)

#7C6F24

Tritanopia (blue-blind)

#CB0033

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83529;
/* rgb */ color: rgb(184, 53, 41);
/* oklch */ color: oklch(52.5% 0.170 29.3);

Tailwind

colors: {
  custom: {
    50: '#d67564',
    500: '#b83529',
    950: '#000000',
  },
}

SCSS

$custom: #b83529;
$custom-light: #d67564;
$custom-dark: #000000;

JSON

{
  "hex": "#b83529",
  "rgb": {
    "r": 184,
    "g": 53,
    "b": 41
  },
  "hsl": {
    "h": 5.035,
    "s": 63.556,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52513,
    "c": 0.16965,
    "h": 29.3
  },
  "luminance": 0.12897
}

Semantic roles & 50–950 ramp

primary

#B83529

secondary

#73C2C9

accent

#D9E741

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B83529

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

Preview Lab → · Contrast checker → · Palette generator →