#B44336#B44336

#B44336 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.6% C 0.150 H 29.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#B44336
RGB	rgb(180, 67, 54)
HSL	hsl(6, 54%, 46%)
HSV	hsv(6, 70%, 71%)
CMYK	cmyk(0%, 62.8%, 70%, 29.4%)
CIE-LAB	lab(44.21, 45.10, 31.93)
CIE-LCH	lch(44.21, 55.25, 35.30°)
OKLab	oklab(53.63% 0.1303 0.0735)
OKLCH	oklch(53.63% 0.15 29.4)
XYZ	xyz(21.4976, 13.9869, 5.0570)
Luminance	0.1398 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B44336 #36A7B4

analogous

#B43668 #B44336 #B48236

triadic

#B44336 #36B443 #4336B4

tetradic

#B44336 #68B436 #36A7B4 #8236B4

square

#B44336 #68B436 #36A7B4 #8236B4

split-complementary

#B44336 #36B482 #3668B4

monochromatic

#56201A #853128 #B44336 #CD665A #DC9189

Accessibility & contrast

On white

5.53

#B44336 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#B44336 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B44336

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B44336	#FFFFFF	#000000	##FFFFFF
##B44336	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625934

Deuteranopia (green-blind)

#7E7233

Tritanopia (blue-blind)

#C62941

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b44336;
/* rgb */ color: rgb(180, 67, 54);
/* oklch */ color: oklch(53.6% 0.150 29.4);

Tailwind

colors: {
  custom: {
    50: '#d27c6d',
    500: '#b44336',
    950: '#000000',
  },
}

SCSS

$custom: #b44336;
$custom-light: #d27c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b44336",
  "rgb": {
    "r": 180,
    "g": 67,
    "b": 54
  },
  "hsl": {
    "h": 6.19,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53631,
    "c": 0.14959,
    "h": 29.4
  },
  "luminance": 0.13984
}

Semantic roles & 50–950 ramp

primary

#B44336

secondary

#80BEC6

accent

#CEDD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B44336

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

Preview Lab → · Contrast checker → · Palette generator →