#B33433#B33433

#B33433 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.164 H 25.4°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B33433
RGB	rgb(179, 52, 51)
HSL	hsl(0, 56%, 45%)
HSV	hsv(0, 72%, 70%)
CMYK	cmyk(0%, 70.9%, 71.5%, 29.8%)
CIE-LAB	lab(41.66, 50.92, 30.64)
CIE-LCH	lch(41.66, 59.43, 31.04°)
OKLab	oklab(51.67% 0.1481 0.0702)
OKLCH	oklch(51.67% 0.164 25.4)
XYZ	xyz(20.4182, 12.2817, 4.4268)
Luminance	0.1228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33433 #33B2B3

analogous

#B33372 #B33433 #B37433

triadic

#B33433 #33B334 #3433B3

tetradic

#B33433 #72B333 #33B2B3 #7433B3

square

#B33433 #72B333 #33B2B3 #7433B3

split-complementary

#B33433 #33B374 #3372B3

monochromatic

#541818 #832625 #B33433 #CE5655 #DC8584

Accessibility & contrast

On white

6.08

#B33433 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B33433 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33433

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33433	#FFFFFF	#000000	##FFFFFF
##B33433	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)

#585132

Deuteranopia (green-blind)

#786C2F

Tritanopia (blue-blind)

#C50535

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33433;
/* rgb */ color: rgb(179, 52, 51);
/* oklch */ color: oklch(51.7% 0.164 25.4);

Tailwind

colors: {
  custom: {
    50: '#d2746b',
    500: '#b33433',
    950: '#000000',
  },
}

SCSS

$custom: #b33433;
$custom-light: #d2746b;
$custom-dark: #000000;

JSON

{
  "hex": "#b33433",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 51
  },
  "hsl": {
    "h": 0.469,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5167,
    "c": 0.16389,
    "h": 25.4
  },
  "luminance": 0.12279
}

Semantic roles & 50–950 ramp

primary

#B33433

secondary

#7CC5C6

accent

#DEDF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33433

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

Preview Lab → · Contrast checker → · Palette generator →