#B11E1F#B11E1F

#B11E1F is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.2% C 0.182 H 26.9°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#B11E1F
RGB	rgb(177, 30, 31)
HSL	hsl(360, 71%, 41%)
HSV	hsv(360, 83%, 69%)
CMYK	cmyk(0%, 83.1%, 82.5%, 30.6%)
CIE-LAB	lab(38.51, 56.59, 38.64)
CIE-LCH	lch(38.51, 68.53, 34.33°)
OKLab	oklab(49.18% 0.162 0.0822)
OKLCH	oklch(49.18% 0.182 26.9)
XYZ	xyz(18.8454, 10.3777, 2.3069)
Luminance	0.1037 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B11E1F #1EB1B0

analogous

#B11E68 #B11E1F #B1661E

triadic

#B11E1F #1FB11E #1E1FB1

tetradic

#B11E1F #68B11E #1EB1B0 #661EB1

square

#B11E1F #68B11E #1EB1B0 #661EB1

split-complementary

#B11E1F #1EB166 #1E68B1

monochromatic

#480C0D #7D1516 #B11E1F #DC3031 #E56565

Accessibility & contrast

On white

6.83

#B11E1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#B11E1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B11E1F

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B11E1F	#FFFFFF	#000000	##FFFFFF
##B11E1F	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F461D

Deuteranopia (green-blind)

#726617

Tritanopia (blue-blind)

#C30021

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b11e1f;
/* rgb */ color: rgb(177, 30, 31);
/* oklch */ color: oklch(49.2% 0.182 26.9);

Tailwind

colors: {
  custom: {
    50: '#d26a5c',
    500: '#b11e1f',
    950: '#000000',
  },
}

SCSS

$custom: #b11e1f;
$custom-light: #d26a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b11e1f",
  "rgb": {
    "r": 177,
    "g": 30,
    "b": 31
  },
  "hsl": {
    "h": 359.592,
    "s": 71.014,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49183,
    "c": 0.18169,
    "h": 26.9
  },
  "luminance": 0.10375
}

Semantic roles & 50–950 ramp

primary

#B11E1F

secondary

#61CAC9

accent

#EEED3A

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #B11E1F

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

Preview Lab → · Contrast checker → · Palette generator →