#B8312F#B8312F

#B8312F is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.172 H 26.2°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B8312F
RGB	rgb(184, 49, 47)
HSL	hsl(1, 59%, 45%)
HSV	hsv(1, 74%, 72%)
CMYK	cmyk(0%, 73.4%, 74.5%, 27.8%)
CIE-LAB	lab(42.15, 53.45, 33.80)
CIE-LCH	lch(42.15, 63.24, 32.31°)
OKLab	oklab(52.19% 0.1546 0.076)
OKLCH	oklch(52.19% 0.172 26.2)
XYZ	xyz(21.3810, 12.5955, 3.9941)
Luminance	0.1259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B8312F #2FB6B8

analogous

#B82F71 #B8312F #B8752F

triadic

#B8312F #2FB831 #312FB8

tetradic

#B8312F #71B82F #2FB6B8 #752FB8

square

#B8312F #71B82F #2FB6B8 #752FB8

split-complementary

#B8312F #2FB875 #2F71B8

monochromatic

#571716 #872423 #B8312F #D35352 #DF8482

Accessibility & contrast

On white

5.97

#B8312F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B8312F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B8312F

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B8312F	#FFFFFF	#000000	##FFFFFF
##B8312F	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512D

Deuteranopia (green-blind)

#7A6E2A

Tritanopia (blue-blind)

#CB0032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b8312f;
/* rgb */ color: rgb(184, 49, 47);
/* oklch */ color: oklch(52.2% 0.172 26.2);

Tailwind

colors: {
  custom: {
    50: '#d67368',
    500: '#b8312f',
    950: '#000000',
  },
}

SCSS

$custom: #b8312f;
$custom-light: #d67368;
$custom-dark: #000000;

JSON

{
  "hex": "#b8312f",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 47
  },
  "hsl": {
    "h": 0.876,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52188,
    "c": 0.17228,
    "h": 26.2
  },
  "luminance": 0.12592
}

Semantic roles & 50–950 ramp

primary

#B8312F

secondary

#7BC7C8

accent

#E0E245

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B8312F

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

Preview Lab → · Contrast checker → · Palette generator →