#B41C17#B41C17

#B41C17 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.6% C 0.186 H 28.5°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#B41C17
RGB	rgb(180, 28, 23)
HSL	hsl(2, 77%, 40%)
HSV	hsv(2, 87%, 71%)
CMYK	cmyk(0%, 84.4%, 87.2%, 29.4%)
CIE-LAB	lab(38.90, 57.74, 43.37)
CIE-LCH	lch(38.90, 72.22, 36.91°)
OKLab	oklab(49.56% 0.1638 0.0891)
OKLCH	oklch(49.56% 0.186 28.5)
XYZ	xyz(19.3948, 10.5989, 1.8351)
Luminance	0.1060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41C17 #17AFB4

analogous

#B41760 #B41C17 #B46B17

triadic

#B41C17 #17B41C #1C17B4

tetradic

#B41C17 #60B417 #17AFB4 #6B17B4

square

#B41C17 #60B417 #17AFB4 #6B17B4

split-complementary

#B41C17 #17B46B #1760B4

monochromatic

#470B09 #7E1410 #B41C17 #E32B25 #EA605B

Accessibility & contrast

On white

6.73

#B41C17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#B41C17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41C17

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41C17	#FFFFFF	#000000	##FFFFFF
##B41C17	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504713

Deuteranopia (green-blind)

#74670B

Tritanopia (blue-blind)

#C7001E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41c17;
/* rgb */ color: rgb(180, 28, 23);
/* oklch */ color: oklch(49.6% 0.186 28.5);

Tailwind

colors: {
  custom: {
    50: '#d56a57',
    500: '#b41c17',
    950: '#000000',
  },
}

SCSS

$custom: #b41c17;
$custom-light: #d56a57;
$custom-dark: #000000;

JSON

{
  "hex": "#b41c17",
  "rgb": {
    "r": 180,
    "g": 28,
    "b": 23
  },
  "hsl": {
    "h": 1.911,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49556,
    "c": 0.18646,
    "h": 28.5
  },
  "luminance": 0.10596
}

Semantic roles & 50–950 ramp

primary

#B41C17

secondary

#59CACE

accent

#EEF434

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#170703

muted

#857A78

Preview Lab

Preview with #B41C17

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

Preview Lab → · Contrast checker → · Palette generator →