#B83138#B83138

#B83138 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.171 H 22.8°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B83138
RGB	rgb(184, 49, 56)
HSL	hsl(357, 58%, 46%)
HSV	hsv(357, 73%, 72%)
CMYK	cmyk(0%, 73.4%, 69.6%, 27.8%)
CIE-LAB	lab(42.27, 53.87, 28.60)
CIE-LCH	lch(42.27, 60.99, 27.97°)
OKLab	oklab(52.32% 0.1579 0.0663)
OKLCH	oklch(52.32% 0.171 22.8)
XYZ	xyz(21.5817, 12.6757, 5.0509)
Luminance	0.1267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83138 #31B8B1

analogous

#B8317B #B83138 #B86D31

triadic

#B83138 #38B831 #3138B8

tetradic

#B83138 #7BB831 #31B8B1 #6D31B8

square

#B83138 #7BB831 #31B8B1 #6D31B8

split-complementary

#B83138 #31B86D #317BB8

monochromatic

#57171B #882429 #B83138 #D2555B #DE858A

Accessibility & contrast

On white

5.94

#B83138 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B83138 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83138

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83138	#FFFFFF	#000000	##FFFFFF
##B83138	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585137

Deuteranopia (green-blind)

#7A6E34

Tritanopia (blue-blind)

#CA0035

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b83138;
/* rgb */ color: rgb(184, 49, 56);
/* oklch */ color: oklch(52.3% 0.171 22.8);

Tailwind

colors: {
  custom: {
    50: '#d5736e',
    500: '#b83138',
    950: '#000000',
  },
}

SCSS

$custom: #b83138;
$custom-light: #d5736e;
$custom-dark: #000000;

JSON

{
  "hex": "#b83138",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 356.889,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52319,
    "c": 0.17126,
    "h": 22.8
  },
  "luminance": 0.12672
}

Semantic roles & 50–950 ramp

primary

#B83138

secondary

#7DC8C4

accent

#E1D947

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83138

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

Preview Lab → · Contrast checker → · Palette generator →