#B33545#B33545

#B33545 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.161 H 17.7°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B33545
RGB	rgb(179, 53, 69)
HSL	hsl(352, 54%, 45%)
HSV	hsv(352, 70%, 70%)
CMYK	cmyk(0%, 70.4%, 61.5%, 29.8%)
CIE-LAB	lab(42.10, 51.57, 20.23)
CIE-LCH	lch(42.10, 55.39, 21.42°)
OKLab	oklab(52.09% 0.1538 0.0492)
OKLCH	oklch(52.09% 0.161 17.7)
XYZ	xyz(20.9398, 12.5626, 6.9513)
Luminance	0.1256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33545 #35B3A3

analogous

#B33584 #B33545 #B36435

triadic

#B33545 #45B335 #3545B3

tetradic

#B33545 #84B335 #35B3A3 #6435B3

square

#B33545 #84B335 #35B3A3 #6435B3

split-complementary

#B33545 #35B364 #3584B3

monochromatic

#551921 #842733 #B33545 #CD5867 #DB8792

Accessibility & contrast

On white

5.98

#B33545 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B33545 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33545

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33545	#FFFFFF	#000000	##FFFFFF
##B33545	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565345

Deuteranopia (green-blind)

#766D42

Tritanopia (blue-blind)

#C4133C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33545;
/* rgb */ color: rgb(179, 53, 69);
/* oklch */ color: oklch(52.1% 0.161 17.7);

Tailwind

colors: {
  custom: {
    50: '#d07578',
    500: '#b33545',
    950: '#000000',
  },
}

SCSS

$custom: #b33545;
$custom-light: #d07578;
$custom-dark: #000000;

JSON

{
  "hex": "#b33545",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 69
  },
  "hsl": {
    "h": 352.381,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5209,
    "c": 0.16149,
    "h": 17.7
  },
  "luminance": 0.1256
}

Semantic roles & 50–950 ramp

primary

#B33545

secondary

#7FC5BC

accent

#DECB4A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33545

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

Preview Lab → · Contrast checker → · Palette generator →