#B33F35#B33F35

#B33F35 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.153 H 28.3°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B33F35
RGB	rgb(179, 63, 53)
HSL	hsl(5, 54%, 45%)
HSV	hsv(5, 70%, 70%)
CMYK	cmyk(0%, 64.8%, 70.4%, 29.8%)
CIE-LAB	lab(43.36, 46.48, 31.46)
CIE-LCH	lch(43.36, 56.12, 34.09°)
OKLab	oklab(52.95% 0.1345 0.0724)
OKLCH	oklch(52.95% 0.153 28.3)
XYZ	xyz(21.0127, 13.3987, 4.8472)
Luminance	0.1340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33F35 #35A9B3

analogous

#B3356A #B33F35 #B37E35

triadic

#B33F35 #35B33F #3F35B3

tetradic

#B33F35 #6AB335 #35A9B3 #7E35B3

square

#B33F35 #6AB335 #35A9B3 #7E35B3

split-complementary

#B33F35 #35B37E #356AB3

monochromatic

#551E19 #842E27 #B33F35 #CD6158 #DB8E87

Accessibility & contrast

On white

5.71

#B33F35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B33F35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33F35

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33F35	#FFFFFF	#000000	##FFFFFF
##B33F35	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5733

Deuteranopia (green-blind)

#7C7031

Tritanopia (blue-blind)

#C5223D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33f35;
/* rgb */ color: rgb(179, 63, 53);
/* oklch */ color: oklch(52.9% 0.153 28.3);

Tailwind

colors: {
  custom: {
    50: '#d17a6c',
    500: '#b33f35',
    950: '#000000',
  },
}

SCSS

$custom: #b33f35;
$custom-light: #d17a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33f35",
  "rgb": {
    "r": 179,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 4.762,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5295,
    "c": 0.15275,
    "h": 28.3
  },
  "luminance": 0.13396
}

Semantic roles & 50–950 ramp

primary

#B33F35

secondary

#7FC0C5

accent

#D2DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B33F35

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

Preview Lab → · Contrast checker → · Palette generator →