#B33F32#B33F32

#B33F32 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.153 H 29.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B33F32
RGB	rgb(179, 63, 50)
HSL	hsl(6, 56%, 45%)
HSV	hsv(6, 72%, 70%)
CMYK	cmyk(0%, 64.8%, 72.1%, 29.8%)
CIE-LAB	lab(43.32, 46.33, 33.15)
CIE-LCH	lch(43.32, 56.97, 35.59°)
OKLab	oklab(52.91% 0.1335 0.0755)
OKLCH	oklch(52.91% 0.153 29.5)
XYZ	xyz(20.9459, 13.3720, 4.4951)
Luminance	0.1337 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33F32 #32A6B3

analogous

#B33265 #B33F32 #B38032

triadic

#B33F32 #32B33F #3F32B3

tetradic

#B33F32 #65B332 #32A6B3 #8032B3

square

#B33F32 #65B332 #32A6B3 #8032B3

split-complementary

#B33F32 #32B380 #3265B3

monochromatic

#531D17 #832E25 #B33F32 #CF6053 #DC8C83

Accessibility & contrast

On white

5.72

#B33F32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B33F32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33F32

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33F32	#FFFFFF	#000000	##FFFFFF
##B33F32	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5630

Deuteranopia (green-blind)

#7C702E

Tritanopia (blue-blind)

#C5223D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33f32;
/* rgb */ color: rgb(179, 63, 50);
/* oklch */ color: oklch(52.9% 0.153 29.5);

Tailwind

colors: {
  custom: {
    50: '#d17a6a',
    500: '#b33f32',
    950: '#000000',
  },
}

SCSS

$custom: #b33f32;
$custom-light: #d17a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33f32",
  "rgb": {
    "r": 179,
    "g": 63,
    "b": 50
  },
  "hsl": {
    "h": 6.047,
    "s": 56.332,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52908,
    "c": 0.15332,
    "h": 29.5
  },
  "luminance": 0.13369
}

Semantic roles & 50–950 ramp

primary

#B33F32

secondary

#7BBEC6

accent

#D0E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B33F32

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

Preview Lab → · Contrast checker → · Palette generator →