#B33528#B33528

#B33528 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.165 H 29.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B33528
RGB	rgb(179, 53, 40)
HSL	hsl(6, 63%, 43%)
HSV	hsv(6, 78%, 70%)
CMYK	cmyk(0%, 70.4%, 77.7%, 29.8%)
CIE-LAB	lab(41.67, 50.06, 36.99)
CIE-LCH	lch(41.67, 62.24, 36.47°)
OKLab	oklab(51.63% 0.1431 0.0815)
OKLCH	oklch(51.63% 0.165 29.7)
XYZ	xyz(20.2488, 12.2862, 3.3123)
Luminance	0.1228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33528 #28A6B3

analogous

#B32860 #B33528 #B37B28

triadic

#B33528 #28B335 #3528B3

tetradic

#B33528 #60B328 #28A6B3 #7B28B3

square

#B33528 #60B328 #28A6B3 #7B28B3

split-complementary

#B33528 #28B37B #2860B3

monochromatic

#4F1712 #81261D #B33528 #D55143 #E07F75

Accessibility & contrast

On white

6.08

#B33528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B33528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33528

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33528	#FFFFFF	#000000	##FFFFFF
##B33528	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5125

Deuteranopia (green-blind)

#796C23

Tritanopia (blue-blind)

#C50333

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33528;
/* rgb */ color: rgb(179, 53, 40);
/* oklch */ color: oklch(51.6% 0.165 29.7);

Tailwind

colors: {
  custom: {
    50: '#d27463',
    500: '#b33528',
    950: '#000000',
  },
}

SCSS

$custom: #b33528;
$custom-light: #d27463;
$custom-dark: #000000;

JSON

{
  "hex": "#b33528",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 40
  },
  "hsl": {
    "h": 5.612,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.51632,
    "c": 0.16464,
    "h": 29.7
  },
  "luminance": 0.12283
}

Semantic roles & 50–950 ramp

primary

#B33528

secondary

#6FBFC8

accent

#D7E641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B33528

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

Preview Lab → · Contrast checker → · Palette generator →