#B83A2B#B83A2B

#B83A2B is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.165 H 30.2°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B83A2B
RGB	rgb(184, 58, 43)
HSL	hsl(6, 62%, 45%)
HSV	hsv(6, 77%, 72%)
CMYK	cmyk(0%, 68.5%, 76.6%, 27.8%)
CIE-LAB	lab(43.35, 49.86, 37.39)
CIE-LCH	lch(43.35, 62.32, 36.87°)
OKLab	oklab(53.07% 0.1425 0.0828)
OKLCH	oklch(53.07% 0.165 30.2)
XYZ	xyz(21.7187, 13.3941, 3.7267)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83A2B #2BA9B8

analogous

#B82B63 #B83A2B #B8812B

triadic

#B83A2B #2BB83A #3A2BB8

tetradic

#B83A2B #63B82B #2BA9B8 #812BB8

square

#B83A2B #63B82B #2BA9B8 #812BB8

split-complementary

#B83A2B #2BB881 #2B63B8

monochromatic

#551B14 #862A1F #B83A2B #D55A4B #E1877D

Accessibility & contrast

On white

5.71

#B83A2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B83A2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83A2B

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83A2B	#FFFFFF	#000000	##FFFFFF
##B83A2B	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5528

Deuteranopia (green-blind)

#7E7126

Tritanopia (blue-blind)

#CB1037

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b83a2b;
/* rgb */ color: rgb(184, 58, 43);
/* oklch */ color: oklch(53.1% 0.165 30.2);

Tailwind

colors: {
  custom: {
    50: '#d67765',
    500: '#b83a2b',
    950: '#000000',
  },
}

SCSS

$custom: #b83a2b;
$custom-light: #d67765;
$custom-dark: #000000;

JSON

{
  "hex": "#b83a2b",
  "rgb": {
    "r": 184,
    "g": 58,
    "b": 43
  },
  "hsl": {
    "h": 6.383,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53073,
    "c": 0.16479,
    "h": 30.2
  },
  "luminance": 0.13391
}

Semantic roles & 50–950 ramp

primary

#B83A2B

secondary

#76C0C9

accent

#D4E543

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83A2B

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

Preview Lab → · Contrast checker → · Palette generator →