#B2312B#B2312B

#B2312B is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.167 H 27.5°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#B2312B
RGB	rgb(178, 49, 43)
HSL	hsl(3, 61%, 43%)
HSV	hsv(3, 76%, 70%)
CMYK	cmyk(0%, 72.5%, 75.8%, 30.2%)
CIE-LAB	lab(40.96, 51.37, 34.48)
CIE-LCH	lch(40.96, 61.87, 33.87°)
OKLab	oklab(51.08% 0.1479 0.0769)
OKLCH	oklch(51.08% 0.167 27.5)
XYZ	xyz(19.8967, 11.8391, 3.5225)
Luminance	0.1184 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B2312B #2BACB2

analogous

#B22B68 #B2312B #B2742B

triadic

#B2312B #2BB231 #312BB2

tetradic

#B2312B #68B22B #2BACB2 #742BB2

square

#B2312B #68B22B #2BACB2 #742BB2

split-complementary

#B2312B #2BB274 #2B68B2

monochromatic

#4F1613 #81231F #B2312B #D34E48 #DF7D79

Accessibility & contrast

On white

6.24

#B2312B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B2312B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B2312B

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B2312B	#FFFFFF	#000000	##FFFFFF
##B2312B	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F29

Deuteranopia (green-blind)

#776B26

Tritanopia (blue-blind)

#C40031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b2312b;
/* rgb */ color: rgb(178, 49, 43);
/* oklch */ color: oklch(51.1% 0.167 27.5);

Tailwind

colors: {
  custom: {
    50: '#d27265',
    500: '#b2312b',
    950: '#000000',
  },
}

SCSS

$custom: #b2312b;
$custom-light: #d27265;
$custom-dark: #000000;

JSON

{
  "hex": "#b2312b",
  "rgb": {
    "r": 178,
    "g": 49,
    "b": 43
  },
  "hsl": {
    "h": 2.667,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51079,
    "c": 0.16671,
    "h": 27.5
  },
  "luminance": 0.11836
}

Semantic roles & 50–950 ramp

primary

#B2312B

secondary

#72C3C7

accent

#DDE444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B2312B

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

Preview Lab → · Contrast checker → · Palette generator →