#B12B3E#B12B3E

#B12B3E is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.169 H 18.2°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#B12B3E
RGB	rgb(177, 43, 62)
HSL	hsl(351, 61%, 43%)
HSV	hsv(351, 76%, 69%)
CMYK	cmyk(0%, 75.7%, 65%, 30.6%)
CIE-LAB	lab(40.29, 54.11, 22.16)
CIE-LCH	lch(40.29, 58.48, 22.27°)
OKLab	oklab(50.64% 0.1609 0.053)
OKLCH	oklch(50.64% 0.169 18.2)
XYZ	xyz(19.8670, 11.4256, 5.7158)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12B3E #2BB19E

analogous

#B12B81 #B12B3E #B15B2B

triadic

#B12B3E #3EB12B #2B3EB1

tetradic

#B12B3E #81B12B #2BB19E #5B2BB1

square

#B12B3E #81B12B #2BB19E #5B2BB1

split-complementary

#B12B3E #2BB15B #2B81B1

monochromatic

#4F131C #801F2D #B12B3E #D2475B #DE7887

Accessibility & contrast

On white

6.39

#B12B3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B12B3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12B3E

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12B3E	#FFFFFF	#000000	##FFFFFF
##B12B3E	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514D3E

Deuteranopia (green-blind)

#73693A

Tritanopia (blue-blind)

#C20033

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b12b3e;
/* rgb */ color: rgb(177, 43, 62);
/* oklch */ color: oklch(50.6% 0.169 18.2);

Tailwind

colors: {
  custom: {
    50: '#d07073',
    500: '#b12b3e',
    950: '#000000',
  },
}

SCSS

$custom: #b12b3e;
$custom-light: #d07073;
$custom-dark: #000000;

JSON

{
  "hex": "#b12b3e",
  "rgb": {
    "r": 177,
    "g": 43,
    "b": 62
  },
  "hsl": {
    "h": 351.493,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50635,
    "c": 0.16936,
    "h": 18.2
  },
  "luminance": 0.11423
}

Semantic roles & 50–950 ramp

primary

#B12B3E

secondary

#72C6BA

accent

#E4CD44

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150808

muted

#837B7B

Preview Lab

Preview with #B12B3E

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

Preview Lab → · Contrast checker → · Palette generator →