#B12F2A#B12F2A

#B12F2A is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.168 H 27.2°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#B12F2A
RGB	rgb(177, 47, 42)
HSL	hsl(2, 62%, 43%)
HSV	hsv(2, 76%, 69%)
CMYK	cmyk(0%, 73.4%, 76.3%, 30.6%)
CIE-LAB	lab(40.49, 51.74, 34.49)
CIE-LCH	lch(40.49, 62.18, 33.69°)
OKLab	oklab(50.69% 0.149 0.0767)
OKLCH	oklch(50.69% 0.168 27.2)
XYZ	xyz(19.5682, 11.5503, 3.3891)
Luminance	0.1155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12F2A #2AACB1

analogous

#B12A69 #B12F2A #B1722A

triadic

#B12F2A #2AB12F #2F2AB1

tetradic

#B12F2A #69B12A #2AACB1 #722AB1

square

#B12F2A #69B12A #2AACB1 #722AB1

split-complementary

#B12F2A #2AB172 #2A69B1

monochromatic

#4E1513 #80221E #B12F2A #D34B45 #DF7B77

Accessibility & contrast

On white

6.35

#B12F2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#B12F2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12F2A

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12F2A	#FFFFFF	#000000	##FFFFFF
##B12F2A	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D28

Deuteranopia (green-blind)

#766A25

Tritanopia (blue-blind)

#C3002F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b12f2a;
/* rgb */ color: rgb(177, 47, 42);
/* oklch */ color: oklch(50.7% 0.168 27.2);

Tailwind

colors: {
  custom: {
    50: '#d17164',
    500: '#b12f2a',
    950: '#000000',
  },
}

SCSS

$custom: #b12f2a;
$custom-light: #d17164;
$custom-dark: #000000;

JSON

{
  "hex": "#b12f2a",
  "rgb": {
    "r": 177,
    "g": 47,
    "b": 42
  },
  "hsl": {
    "h": 2.222,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50692,
    "c": 0.16758,
    "h": 27.2
  },
  "luminance": 0.11547
}

Semantic roles & 50–950 ramp

primary

#B12F2A

secondary

#70C3C6

accent

#DFE543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B12F2A

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

Preview Lab → · Contrast checker → · Palette generator →