#B12A3F#B12A3F

#B12A3F is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.170 H 17.6°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#B12A3F
RGB	rgb(177, 42, 63)
HSL	hsl(351, 62%, 43%)
HSV	hsv(351, 76%, 69%)
CMYK	cmyk(0%, 76.3%, 64.4%, 30.6%)
CIE-LAB	lab(40.19, 54.50, 21.41)
CIE-LCH	lch(40.19, 58.56, 21.45°)
OKLab	oklab(50.57% 0.1623 0.0514)
OKLCH	oklch(50.57% 0.17 17.6)
XYZ	xyz(19.8587, 11.3649, 5.8496)
Luminance	0.1136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12A3F #2AB19C

analogous

#B12A82 #B12A3F #B1592A

triadic

#B12A3F #3FB12A #2A3FB1

tetradic

#B12A3F #82B12A #2AB19C #592AB1

square

#B12A3F #82B12A #2AB19C #592AB1

split-complementary

#B12A3F #2AB159 #2A82B1

monochromatic

#4E131C #801E2D #B12A3F #D3455B #DF7787

Accessibility & contrast

On white

6.42

#B12A3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B12A3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12A3F

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12A3F	#FFFFFF	#000000	##FFFFFF
##B12A3F	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504D3F

Deuteranopia (green-blind)

#73693B

Tritanopia (blue-blind)

#C20033

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b12a3f;
/* rgb */ color: rgb(177, 42, 63);
/* oklch */ color: oklch(50.6% 0.170 17.6);

Tailwind

colors: {
  custom: {
    50: '#d07073',
    500: '#b12a3f',
    950: '#000000',
  },
}

SCSS

$custom: #b12a3f;
$custom-light: #d07073;
$custom-dark: #000000;

JSON

{
  "hex": "#b12a3f",
  "rgb": {
    "r": 177,
    "g": 42,
    "b": 63
  },
  "hsl": {
    "h": 350.667,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50567,
    "c": 0.17025,
    "h": 17.6
  },
  "luminance": 0.11362
}

Semantic roles & 50–950 ramp

primary

#B12A3F

secondary

#70C6B9

accent

#E5CC43

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B12A3F

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

Preview Lab → · Contrast checker → · Palette generator →