#B12D2B#B12D2B

#B12D2B is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.5% C 0.169 H 26.4°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#B12D2B
RGB	rgb(177, 45, 43)
HSL	hsl(1, 61%, 43%)
HSV	hsv(1, 76%, 69%)
CMYK	cmyk(0%, 74.6%, 75.7%, 30.6%)
CIE-LAB	lab(40.25, 52.49, 33.64)
CIE-LCH	lch(40.25, 62.34, 32.66°)
OKLab	oklab(50.51% 0.1516 0.0751)
OKLCH	oklch(50.51% 0.169 26.4)
XYZ	xyz(19.5082, 11.4013, 3.4585)
Luminance	0.1140 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12D2B #2BAFB1

analogous

#B12B6C #B12D2B #B1702B

triadic

#B12D2B #2BB12D #2D2BB1

tetradic

#B12D2B #6CB12B #2BAFB1 #702BB1

square

#B12D2B #6CB12B #2BAFB1 #702BB1

split-complementary

#B12D2B #2BB170 #2B6CB1

monochromatic

#4F1413 #80201F #B12D2B #D24947 #DE7A78

Accessibility & contrast

On white

6.40

#B12D2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B12D2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12D2B

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12D2B	#FFFFFF	#000000	##FFFFFF
##B12D2B	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D29

Deuteranopia (green-blind)

#756926

Tritanopia (blue-blind)

#C3002E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b12d2b;
/* rgb */ color: rgb(177, 45, 43);
/* oklch */ color: oklch(50.5% 0.169 26.4);

Tailwind

colors: {
  custom: {
    50: '#d17065',
    500: '#b12d2b',
    950: '#000000',
  },
}

SCSS

$custom: #b12d2b;
$custom-light: #d17065;
$custom-dark: #000000;

JSON

{
  "hex": "#b12d2b",
  "rgb": {
    "r": 177,
    "g": 45,
    "b": 43
  },
  "hsl": {
    "h": 0.896,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50514,
    "c": 0.16916,
    "h": 26.4
  },
  "luminance": 0.11398
}

Semantic roles & 50–950 ramp

primary

#B12D2B

secondary

#72C5C6

accent

#E2E444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B12D2B

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

Preview Lab → · Contrast checker → · Palette generator →