#B12743#B12743

#B12743 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.4% C 0.173 H 15.1°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#B12743
RGB	rgb(177, 39, 67)
HSL	hsl(348, 64%, 42%)
HSV	hsv(348, 78%, 69%)
CMYK	cmyk(0%, 78%, 62.1%, 30.6%)
CIE-LAB	lab(39.93, 55.70, 18.56)
CIE-LCH	lch(39.93, 58.71, 18.43°)
OKLab	oklab(50.4% 0.167 0.0452)
OKLCH	oklch(50.4% 0.173 15.1)
XYZ	xyz(19.8722, 11.2064, 6.4258)
Luminance	0.1120 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12743 #27B195

analogous

#B12788 #B12743 #B15027

triadic

#B12743 #43B127 #2743B1

tetradic

#B12743 #88B127 #27B195 #5027B1

square

#B12743 #88B127 #27B195 #5027B1

split-complementary

#B12743 #27B150 #2788B1

monochromatic

#4D111D #7F1C30 #B12743 #D5405E #E07289

Accessibility & contrast

On white

6.48

#B12743 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B12743 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12743

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12743	#FFFFFF	#000000	##FFFFFF
##B12743	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4C43

Deuteranopia (green-blind)

#71683F

Tritanopia (blue-blind)

#C20033

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b12743;
/* rgb */ color: rgb(177, 39, 67);
/* oklch */ color: oklch(50.4% 0.173 15.1);

Tailwind

colors: {
  custom: {
    50: '#d06e76',
    500: '#b12743',
    950: '#000000',
  },
}

SCSS

$custom: #b12743;
$custom-light: #d06e76;
$custom-dark: #000000;

JSON

{
  "hex": "#b12743",
  "rgb": {
    "r": 177,
    "g": 39,
    "b": 67
  },
  "hsl": {
    "h": 347.826,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50397,
    "c": 0.17297,
    "h": 15.1
  },
  "luminance": 0.11203
}

Semantic roles & 50–950 ramp

primary

#B12743

secondary

#6DC7B5

accent

#E7C541

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B12743

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

Preview Lab → · Contrast checker → · Palette generator →