#B33529#B33529

#B33529 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.164 H 29.3°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B33529
RGB	rgb(179, 53, 41)
HSL	hsl(5, 63%, 43%)
HSV	hsv(5, 77%, 70%)
CMYK	cmyk(0%, 70.4%, 77.1%, 29.8%)
CIE-LAB	lab(41.68, 50.10, 36.45)
CIE-LCH	lch(41.68, 61.95, 36.04°)
OKLab	oklab(51.64% 0.1434 0.0805)
OKLCH	oklch(51.64% 0.164 29.3)
XYZ	xyz(20.2661, 12.2931, 3.4031)
Luminance	0.1229 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33529 #29A7B3

analogous

#B32962 #B33529 #B37A29

triadic

#B33529 #29B335 #3529B3

tetradic

#B33529 #62B329 #29A7B3 #7A29B3

square

#B33529 #62B329 #29A7B3 #7A29B3

split-complementary

#B33529 #29B37A #2962B3

monochromatic

#4F1812 #81261E #B33529 #D45145 #E08077

Accessibility & contrast

On white

6.07

#B33529 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B33529 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33529

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33529	#FFFFFF	#000000	##FFFFFF
##B33529	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5127

Deuteranopia (green-blind)

#796C24

Tritanopia (blue-blind)

#C50433

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33529;
/* rgb */ color: rgb(179, 53, 41);
/* oklch */ color: oklch(51.6% 0.164 29.3);

Tailwind

colors: {
  custom: {
    50: '#d27464',
    500: '#b33529',
    950: '#000000',
  },
}

SCSS

$custom: #b33529;
$custom-light: #d27464;
$custom-dark: #000000;

JSON

{
  "hex": "#b33529",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 41
  },
  "hsl": {
    "h": 5.217,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.51643,
    "c": 0.16447,
    "h": 29.3
  },
  "luminance": 0.1229
}

Semantic roles & 50–950 ramp

primary

#B33529

secondary

#70C0C7

accent

#D8E642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B33529

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

Preview Lab → · Contrast checker → · Palette generator →