#B11F43#B11F43

#B11F43 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.8% C 0.179 H 13.8°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#B11F43
RGB	rgb(177, 31, 67)
HSL	hsl(345, 70%, 41%)
HSV	hsv(345, 82%, 69%)
CMYK	cmyk(0%, 82.5%, 62.1%, 30.6%)
CIE-LAB	lab(39.13, 57.95, 17.51)
CIE-LCH	lch(39.13, 60.54, 16.81°)
OKLab	oklab(49.81% 0.1742 0.0427)
OKLCH	oklch(49.81% 0.179 13.8)
XYZ	xyz(19.6367, 10.7353, 6.3473)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B11F43 #1FB18D

analogous

#B11F8C #B11F43 #B1441F

triadic

#B11F43 #43B11F #1F43B1

tetradic

#B11F43 #8CB11F #1FB18D #441FB1

square

#B11F43 #8CB11F #1FB18D #441FB1

split-complementary

#B11F43 #1FB144 #1F8CB1

monochromatic

#490D1C #7D162F #B11F43 #DB325C #E46685

Accessibility & contrast

On white

6.67

#B11F43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B11F43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B11F43

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B11F43	#FFFFFF	#000000	##FFFFFF
##B11F43	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4943

Deuteranopia (green-blind)

#70673F

Tritanopia (blue-blind)

#C2002F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b11f43;
/* rgb */ color: rgb(177, 31, 67);
/* oklch */ color: oklch(49.8% 0.179 13.8);

Tailwind

colors: {
  custom: {
    50: '#d06b76',
    500: '#b11f43',
    950: '#000000',
  },
}

SCSS

$custom: #b11f43;
$custom-light: #d06b76;
$custom-dark: #000000;

JSON

{
  "hex": "#b11f43",
  "rgb": {
    "r": 177,
    "g": 31,
    "b": 67
  },
  "hsl": {
    "h": 345.205,
    "s": 70.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.4981,
    "c": 0.17938,
    "h": 13.8
  },
  "luminance": 0.10732
}

Semantic roles & 50–950 ramp

primary

#B11F43

secondary

#62CAB0

accent

#EDC13B

background

#FDF6F7

surface

#FBECED

border

#D4C7C8

text

#150808

muted

#837A7B

Preview Lab

Preview with #B11F43

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

Preview Lab → · Contrast checker → · Palette generator →