#B83528#B83528

#B83528 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.170 H 29.6°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B83528
RGB	rgb(184, 53, 40)
HSL	hsl(5, 64%, 44%)
HSV	hsv(5, 78%, 72%)
CMYK	cmyk(0%, 71.2%, 78.3%, 27.8%)
CIE-LAB	lab(42.60, 51.71, 38.26)
CIE-LCH	lch(42.60, 64.32, 36.50°)
OKLab	oklab(52.5% 0.1477 0.0838)
OKLCH	oklch(52.5% 0.17 29.6)
XYZ	xyz(21.4258, 12.8930, 3.3675)
Luminance	0.1289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83528 #28ABB8

analogous

#B82863 #B83528 #B87D28

triadic

#B83528 #28B835 #3528B8

tetradic

#B83528 #63B828 #28ABB8 #7D28B8

square

#B83528 #63B828 #28ABB8 #7D28B8

split-complementary

#B83528 #28B87D #2863B8

monochromatic

#531812 #86271D #B83528 #D75346 #E28279

Accessibility & contrast

On white

5.87

#B83528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B83528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83528

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83528	#FFFFFF	#000000	##FFFFFF
##B83528	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)

#5C5225

Deuteranopia (green-blind)

#7C6F23

Tritanopia (blue-blind)

#CB0033

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83528;
/* rgb */ color: rgb(184, 53, 40);
/* oklch */ color: oklch(52.5% 0.170 29.6);

Tailwind

colors: {
  custom: {
    50: '#d67563',
    500: '#b83528',
    950: '#000000',
  },
}

SCSS

$custom: #b83528;
$custom-light: #d67563;
$custom-dark: #000000;

JSON

{
  "hex": "#b83528",
  "rgb": {
    "r": 184,
    "g": 53,
    "b": 40
  },
  "hsl": {
    "h": 5.417,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52502,
    "c": 0.16981,
    "h": 29.6
  },
  "luminance": 0.1289
}

Semantic roles & 50–950 ramp

primary

#B83528

secondary

#72C2CA

accent

#D8E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B83528

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

Preview Lab → · Contrast checker → · Palette generator →