#B83727#B83727

#B83727 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.168 H 30.5°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B83727
RGB	rgb(184, 55, 39)
HSL	hsl(7, 65%, 44%)
HSV	hsv(7, 79%, 72%)
CMYK	cmyk(0%, 70.1%, 78.8%, 27.8%)
CIE-LAB	lab(42.87, 50.90, 39.08)
CIE-LCH	lch(42.87, 64.18, 37.52°)
OKLab	oklab(52.7% 0.145 0.0853)
OKLCH	oklch(52.7% 0.168 30.5)
XYZ	xyz(21.5020, 13.0725, 3.3101)
Luminance	0.1307 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83727 #27A8B8

analogous

#B8275F #B83727 #B87F27

triadic

#B83727 #27B837 #3727B8

tetradic

#B83727 #5FB827 #27A8B8 #7F27B8

square

#B83727 #5FB827 #27A8B8 #7F27B8

split-complementary

#B83727 #27B87F #275FB8

monochromatic

#531912 #86281C #B83727 #D85545 #E28377

Accessibility & contrast

On white

5.81

#B83727 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B83727 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83727

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83727	#FFFFFF	#000000	##FFFFFF
##B83727	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5324

Deuteranopia (green-blind)

#7D7022

Tritanopia (blue-blind)

#CB0334

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83727;
/* rgb */ color: rgb(184, 55, 39);
/* oklch */ color: oklch(52.7% 0.168 30.5);

Tailwind

colors: {
  custom: {
    50: '#d67662',
    500: '#b83727',
    950: '#000000',
  },
}

SCSS

$custom: #b83727;
$custom-light: #d67662;
$custom-dark: #000000;

JSON

{
  "hex": "#b83727",
  "rgb": {
    "r": 184,
    "g": 55,
    "b": 39
  },
  "hsl": {
    "h": 6.621,
    "s": 65.022,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52701,
    "c": 0.1682,
    "h": 30.5
  },
  "luminance": 0.13069
}

Semantic roles & 50–950 ramp

primary

#B83727

secondary

#71C0CA

accent

#D5E840

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B83727

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

Preview Lab → · Contrast checker → · Palette generator →