#B83F3F#B83F3F

#B83F3F is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.9% C 0.157 H 24.0°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#B83F3F
RGB	rgb(184, 63, 63)
HSL	hsl(0, 49%, 48%)
HSV	hsv(0, 66%, 72%)
CMYK	cmyk(0%, 65.8%, 65.8%, 27.8%)
CIE-LAB	lab(44.39, 48.76, 26.99)
CIE-LCH	lch(44.39, 55.73, 28.97°)
OKLab	oklab(53.94% 0.1431 0.0638)
OKLCH	oklch(53.94% 0.157 24)
XYZ	xyz(22.4441, 14.1074, 6.2428)
Luminance	0.1410 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83F3F #3FB8B8

analogous

#B83F7B #B83F3F #B87B3F

triadic

#B83F3F #3FB83F #3F3FB8

tetradic

#B83F3F #7BB83F #3FB8B8 #7B3FB8

square

#B83F3F #7BB83F #3FB8B8 #7B3FB8

split-complementary

#B83F3F #3FB87B #3F7BB8

monochromatic

#5D2020 #8A2F2F #B83F3F #CC6969 #DB9696

Accessibility & contrast

On white

5.50

#B83F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#B83F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83F3F

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83F3F	#FFFFFF	#000000	##FFFFFF
##B83F3F	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F593E

Deuteranopia (green-blind)

#7E733C

Tritanopia (blue-blind)

#CA2240

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b83f3f;
/* rgb */ color: rgb(184, 63, 63);
/* oklch */ color: oklch(53.9% 0.157 24.0);

Tailwind

colors: {
  custom: {
    50: '#d47a74',
    500: '#b83f3f',
    950: '#000000',
  },
}

SCSS

$custom: #b83f3f;
$custom-light: #d47a74;
$custom-dark: #000000;

JSON

{
  "hex": "#b83f3f",
  "rgb": {
    "r": 184,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 0,
    "s": 48.988,
    "l": 48.431
  },
  "oklch": {
    "l": 0.53935,
    "c": 0.1567,
    "h": 24
  },
  "luminance": 0.14104
}

Semantic roles & 50–950 ramp

primary

#B83F3F

secondary

#8CC7C7

accent

#D9D94F

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #B83F3F

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

Preview Lab → · Contrast checker → · Palette generator →