#B83744#B83744

#B83744 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.1% C 0.165 H 19.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B83744
RGB	rgb(184, 55, 68)
HSL	hsl(354, 54%, 47%)
HSV	hsv(354, 70%, 72%)
CMYK	cmyk(0%, 70.1%, 63%, 27.8%)
CIE-LAB	lab(43.28, 52.33, 22.56)
CIE-LCH	lch(43.28, 56.98, 23.32°)
OKLab	oklab(53.13% 0.1554 0.0543)
OKLCH	oklch(53.13% 0.165 19.2)
XYZ	xyz(22.1790, 13.3432, 6.8754)
Luminance	0.1334 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83744 #37B8AB

analogous

#B83785 #B83744 #B86A37

triadic

#B83744 #44B837 #3744B8

tetradic

#B83744 #85B837 #37B8AB #6A37B8

square

#B83744 #85B837 #37B8AB #6A37B8

split-complementary

#B83744 #37B86A #3785B8

monochromatic

#5A1B21 #892933 #B83744 #CF5D69 #DD8D95

Accessibility & contrast

On white

5.73

#B83744 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B83744 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83744

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83744	#FFFFFF	#000000	##FFFFFF
##B83744	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5544

Deuteranopia (green-blind)

#7A7040

Tritanopia (blue-blind)

#CA133D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b83744;
/* rgb */ color: rgb(184, 55, 68);
/* oklch */ color: oklch(53.1% 0.165 19.2);

Tailwind

colors: {
  custom: {
    50: '#d47677',
    500: '#b83744',
    950: '#000000',
  },
}

SCSS

$custom: #b83744;
$custom-light: #d47677;
$custom-dark: #000000;

JSON

{
  "hex": "#b83744",
  "rgb": {
    "r": 184,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 353.953,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53132,
    "c": 0.16464,
    "h": 19.2
  },
  "luminance": 0.1334
}

Semantic roles & 50–950 ramp

primary

#B83744

secondary

#84C7C0

accent

#DDCF4A

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B83744

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

Preview Lab → · Contrast checker → · Palette generator →