#B2312A#B2312A

#B2312A is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.167 H 27.8°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#B2312A
RGB	rgb(178, 49, 42)
HSL	hsl(3, 62%, 43%)
HSV	hsv(3, 76%, 70%)
CMYK	cmyk(0%, 72.5%, 76.4%, 30.2%)
CIE-LAB	lab(40.95, 51.33, 35.04)
CIE-LCH	lch(40.95, 62.15, 34.32°)
OKLab	oklab(51.07% 0.1476 0.0778)
OKLCH	oklch(51.07% 0.167 27.8)
XYZ	xyz(19.8786, 11.8318, 3.4271)
Luminance	0.1183 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B2312A #2AABB2

analogous

#B22A67 #B2312A #B2752A

triadic

#B2312A #2AB231 #312AB2

tetradic

#B2312A #67B22A #2AABB2 #752AB2

square

#B2312A #67B22A #2AABB2 #752AB2

split-complementary

#B2312A #2AB275 #2A67B2

monochromatic

#4F1613 #80231E #B2312A #D34D46 #DF7D77

Accessibility & contrast

On white

6.24

#B2312A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B2312A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B2312A

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B2312A	#FFFFFF	#000000	##FFFFFF
##B2312A	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)

#574F28

Deuteranopia (green-blind)

#776B25

Tritanopia (blue-blind)

#C40031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b2312a;
/* rgb */ color: rgb(178, 49, 42);
/* oklch */ color: oklch(51.1% 0.167 27.8);

Tailwind

colors: {
  custom: {
    50: '#d27264',
    500: '#b2312a',
    950: '#000000',
  },
}

SCSS

$custom: #b2312a;
$custom-light: #d27264;
$custom-dark: #000000;

JSON

{
  "hex": "#b2312a",
  "rgb": {
    "r": 178,
    "g": 49,
    "b": 42
  },
  "hsl": {
    "h": 3.088,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.51067,
    "c": 0.16685,
    "h": 27.8
  },
  "luminance": 0.11829
}

Semantic roles & 50–950 ramp

primary

#B2312A

secondary

#71C2C7

accent

#DDE543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B2312A

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

Preview Lab → · Contrast checker → · Palette generator →