#B83628#B83628

#B83628 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.169 H 29.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B83628
RGB	rgb(184, 54, 40)
HSL	hsl(6, 64%, 44%)
HSV	hsv(6, 78%, 72%)
CMYK	cmyk(0%, 70.7%, 78.3%, 27.8%)
CIE-LAB	lab(42.74, 51.33, 38.40)
CIE-LCH	lch(42.74, 64.10, 36.80°)
OKLab	oklab(52.61% 0.1465 0.0841)
OKLCH	oklch(52.61% 0.169 29.9)
XYZ	xyz(21.4718, 12.9851, 3.3829)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83628 #28AAB8

analogous

#B82862 #B83628 #B87E28

triadic

#B83628 #28B836 #3628B8

tetradic

#B83628 #62B828 #28AAB8 #7E28B8

square

#B83628 #62B828 #28AAB8 #7E28B8

split-complementary

#B83628 #28B87E #2862B8

monochromatic

#531812 #86271D #B83628 #D75446 #E28379

Accessibility & contrast

On white

5.84

#B83628 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B83628 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83628

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83628	#FFFFFF	#000000	##FFFFFF
##B83628	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5325

Deuteranopia (green-blind)

#7C6F23

Tritanopia (blue-blind)

#CB0034

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83628;
/* rgb */ color: rgb(184, 54, 40);
/* oklch */ color: oklch(52.6% 0.169 29.9);

Tailwind

colors: {
  custom: {
    50: '#d67563',
    500: '#b83628',
    950: '#000000',
  },
}

SCSS

$custom: #b83628;
$custom-light: #d67563;
$custom-dark: #000000;

JSON

{
  "hex": "#b83628",
  "rgb": {
    "r": 184,
    "g": 54,
    "b": 40
  },
  "hsl": {
    "h": 5.833,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52606,
    "c": 0.16892,
    "h": 29.9
  },
  "luminance": 0.12982
}

Semantic roles & 50–950 ramp

primary

#B83628

secondary

#72C1CA

accent

#D7E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B83628

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

Preview Lab → · Contrast checker → · Palette generator →