#B83940#B83940

#B83940 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.163 H 21.6°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B83940
RGB	rgb(184, 57, 64)
HSL	hsl(357, 53%, 47%)
HSV	hsv(357, 69%, 72%)
CMYK	cmyk(0%, 69%, 65.2%, 27.8%)
CIE-LAB	lab(43.49, 51.30, 25.27)
CIE-LCH	lch(43.49, 57.18, 26.23°)
OKLab	oklab(53.27% 0.1514 0.06)
OKLCH	oklch(53.27% 0.163 21.6)
XYZ	xyz(22.1580, 13.4899, 6.2865)
Luminance	0.1349 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83940 #39B8B1

analogous

#B83980 #B83940 #B87239

triadic

#B83940 #40B839 #3940B8

tetradic

#B83940 #80B839 #39B8B1 #7239B8

square

#B83940 #80B839 #39B8B1 #7239B8

split-complementary

#B83940 #39B872 #3980B8

monochromatic

#5B1C1F #892B30 #B83940 #CE6066 #DC8F93

Accessibility & contrast

On white

5.68

#B83940 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B83940 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83940

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83940	#FFFFFF	#000000	##FFFFFF
##B83940	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B563F

Deuteranopia (green-blind)

#7B713C

Tritanopia (blue-blind)

#CA163D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b83940;
/* rgb */ color: rgb(184, 57, 64);
/* oklch */ color: oklch(53.3% 0.163 21.6);

Tailwind

colors: {
  custom: {
    50: '#d47774',
    500: '#b83940',
    950: '#000000',
  },
}

SCSS

$custom: #b83940;
$custom-light: #d47774;
$custom-dark: #000000;

JSON

{
  "hex": "#b83940",
  "rgb": {
    "r": 184,
    "g": 57,
    "b": 64
  },
  "hsl": {
    "h": 356.693,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53271,
    "c": 0.16283,
    "h": 21.6
  },
  "luminance": 0.13487
}

Semantic roles & 50–950 ramp

primary

#B83940

secondary

#86C7C3

accent

#DCD44C

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B83940

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

Preview Lab → · Contrast checker → · Palette generator →