#B12740#B12740

#B12740 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.3% C 0.173 H 16.5°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#B12740
RGB	rgb(177, 39, 64)
HSL	hsl(349, 64%, 42%)
HSV	hsv(349, 78%, 69%)
CMYK	cmyk(0%, 78%, 63.8%, 30.6%)
CIE-LAB	lab(39.87, 55.52, 20.37)
CIE-LCH	lch(39.87, 59.13, 20.15°)
OKLab	oklab(50.33% 0.1658 0.0491)
OKLCH	oklch(50.33% 0.173 16.5)
XYZ	xyz(19.7845, 11.1713, 5.9640)
Luminance	0.1117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12740 #27B198

analogous

#B12785 #B12740 #B15327

triadic

#B12740 #40B127 #2740B1

tetradic

#B12740 #85B127 #27B198 #5327B1

square

#B12740 #85B127 #27B198 #5327B1

split-complementary

#B12740 #27B153 #2785B1

monochromatic

#4D111C #7F1C2E #B12740 #D5405B #E07286

Accessibility & contrast

On white

6.49

#B12740 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B12740 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12740

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12740	#FFFFFF	#000000	##FFFFFF
##B12740	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4C40

Deuteranopia (green-blind)

#72683C

Tritanopia (blue-blind)

#C20032

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b12740;
/* rgb */ color: rgb(177, 39, 64);
/* oklch */ color: oklch(50.3% 0.173 16.5);

Tailwind

colors: {
  custom: {
    50: '#d06e74',
    500: '#b12740',
    950: '#000000',
  },
}

SCSS

$custom: #b12740;
$custom-light: #d06e74;
$custom-dark: #000000;

JSON

{
  "hex": "#b12740",
  "rgb": {
    "r": 177,
    "g": 39,
    "b": 64
  },
  "hsl": {
    "h": 349.13,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50335,
    "c": 0.17289,
    "h": 16.5
  },
  "luminance": 0.11168
}

Semantic roles & 50–950 ramp

primary

#B12740

secondary

#6DC7B7

accent

#E7C941

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B12740

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

Preview Lab → · Contrast checker → · Palette generator →