#B83729#B83729

#B83729 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.168 H 29.9°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B83729
RGB	rgb(184, 55, 41)
HSL	hsl(6, 64%, 44%)
HSV	hsv(6, 78%, 72%)
CMYK	cmyk(0%, 70.1%, 77.7%, 27.8%)
CIE-LAB	lab(42.89, 50.97, 38.01)
CIE-LCH	lch(42.89, 63.59, 36.71°)
OKLab	oklab(52.72% 0.1456 0.0836)
OKLCH	oklch(52.72% 0.168 29.9)
XYZ	xyz(21.5361, 13.0861, 3.4893)
Luminance	0.1308 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83729 #29AAB8

analogous

#B82963 #B83729 #B87F29

triadic

#B83729 #29B837 #3729B8

tetradic

#B83729 #63B829 #29AAB8 #7F29B8

square

#B83729 #63B829 #29AAB8 #7F29B8

split-complementary

#B83729 #29B87F #2963B8

monochromatic

#541913 #86281E #B83729 #D65648 #E1847A

Accessibility & contrast

On white

5.81

#B83729 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B83729 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83729

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83729	#FFFFFF	#000000	##FFFFFF
##B83729	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5326

Deuteranopia (green-blind)

#7D7024

Tritanopia (blue-blind)

#CB0435

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83729;
/* rgb */ color: rgb(184, 55, 41);
/* oklch */ color: oklch(52.7% 0.168 29.9);

Tailwind

colors: {
  custom: {
    50: '#d67664',
    500: '#b83729',
    950: '#000000',
  },
}

SCSS

$custom: #b83729;
$custom-light: #d67664;
$custom-dark: #000000;

JSON

{
  "hex": "#b83729",
  "rgb": {
    "r": 184,
    "g": 55,
    "b": 41
  },
  "hsl": {
    "h": 5.874,
    "s": 63.556,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52723,
    "c": 0.16787,
    "h": 29.9
  },
  "luminance": 0.13083
}

Semantic roles & 50–950 ramp

primary

#B83729

secondary

#73C1C9

accent

#D6E741

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B83729

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

Preview Lab → · Contrast checker → · Palette generator →