#B11E1A#B11E1A

#B11E1A is a mid, vivid red. Relative luminance 0.103; OKLCH L 49.1% C 0.182 H 28.2°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#B11E1A
RGB	rgb(177, 30, 26)
HSL	hsl(2, 74%, 40%)
HSV	hsv(2, 85%, 69%)
CMYK	cmyk(0%, 83.1%, 85.3%, 30.6%)
CIE-LAB	lab(38.47, 56.46, 41.26)
CIE-LCH	lch(38.47, 69.93, 36.16°)
OKLab	oklab(49.14% 0.1606 0.086)
OKLCH	oklch(49.14% 0.182 28.2)
XYZ	xyz(18.7846, 10.3534, 1.9864)
Luminance	0.1035 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B11E1A #1AADB1

analogous

#B11A62 #B11E1A #B1691A

triadic

#B11E1A #1AB11E #1E1AB1

tetradic

#B11E1A #62B11A #1AADB1 #691AB1

square

#B11E1A #62B11A #1AADB1 #691AB1

split-complementary

#B11E1A #1AB169 #1A62B1

monochromatic

#460C0A #7C1512 #B11E1A #E02E29 #E7625E

Accessibility & contrast

On white

6.84

#B11E1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#B11E1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B11E1A

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B11E1A	#FFFFFF	#000000	##FFFFFF
##B11E1A	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4617

Deuteranopia (green-blind)

#736610

Tritanopia (blue-blind)

#C40020

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b11e1a;
/* rgb */ color: rgb(177, 30, 26);
/* oklch */ color: oklch(49.1% 0.182 28.2);

Tailwind

colors: {
  custom: {
    50: '#d36a59',
    500: '#b11e1a',
    950: '#000000',
  },
}

SCSS

$custom: #b11e1a;
$custom-light: #d36a59;
$custom-dark: #000000;

JSON

{
  "hex": "#b11e1a",
  "rgb": {
    "r": 177,
    "g": 30,
    "b": 26
  },
  "hsl": {
    "h": 1.589,
    "s": 74.384,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49137,
    "c": 0.18222,
    "h": 28.2
  },
  "luminance": 0.1035
}

Semantic roles & 50–950 ramp

primary

#B11E1A

secondary

#5BC8CB

accent

#ECF137

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160703

muted

#847A78

Preview Lab

Preview with #B11E1A

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

Preview Lab → · Contrast checker → · Palette generator →