#B33424#B33424

#B33424 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.5% C 0.166 H 30.6°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B33424
RGB	rgb(179, 52, 36)
HSL	hsl(7, 67%, 42%)
HSV	hsv(7, 80%, 70%)
CMYK	cmyk(0%, 70.9%, 79.9%, 29.8%)
CIE-LAB	lab(41.49, 50.30, 38.99)
CIE-LCH	lch(41.49, 63.65, 37.78°)
OKLab	oklab(51.48% 0.1431 0.0846)
OKLCH	oklch(51.48% 0.166 30.6)
XYZ	xyz(20.1392, 12.1701, 2.9574)
Luminance	0.1217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33424 #24A3B3

analogous

#B3245C #B33424 #B37B24

triadic

#B33424 #24B334 #3424B3

tetradic

#B33424 #5CB324 #24A3B3 #7B24B3

square

#B33424 #5CB324 #24A3B3 #7B24B3

split-complementary

#B33424 #24B37B #245CB3

monochromatic

#4D1610 #80251A #B33424 #D84E3C #E27C6F

Accessibility & contrast

On white

6.12

#B33424 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B33424 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33424

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33424	#FFFFFF	#000000	##FFFFFF
##B33424	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5021

Deuteranopia (green-blind)

#796C1E

Tritanopia (blue-blind)

#C50031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33424;
/* rgb */ color: rgb(179, 52, 36);
/* oklch */ color: oklch(51.5% 0.166 30.6);

Tailwind

colors: {
  custom: {
    50: '#d37460',
    500: '#b33424',
    950: '#000000',
  },
}

SCSS

$custom: #b33424;
$custom-light: #d37460;
$custom-dark: #000000;

JSON

{
  "hex": "#b33424",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 36
  },
  "hsl": {
    "h": 6.713,
    "s": 66.512,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51483,
    "c": 0.16619,
    "h": 30.6
  },
  "luminance": 0.12167
}

Semantic roles & 50–950 ramp

primary

#B33424

secondary

#6ABEC9

accent

#D6E93E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B33424

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

Preview Lab → · Contrast checker → · Palette generator →