#B33735#B33735

#B33735 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.161 H 25.5°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B33735
RGB	rgb(179, 55, 53)
HSL	hsl(1, 54%, 45%)
HSV	hsv(1, 70%, 70%)
CMYK	cmyk(0%, 69.3%, 70.4%, 29.8%)
CIE-LAB	lab(42.12, 49.84, 29.99)
CIE-LCH	lch(42.12, 58.17, 31.04°)
OKLab	oklab(52.02% 0.1451 0.0691)
OKLCH	oklch(52.02% 0.161 25.5)
XYZ	xyz(20.6014, 12.5761, 4.7101)
Luminance	0.1257 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33735 #35B1B3

analogous

#B33572 #B33735 #B37635

triadic

#B33735 #35B337 #3735B3

tetradic

#B33735 #72B335 #35B1B3 #7635B3

square

#B33735 #72B335 #35B1B3 #7635B3

split-complementary

#B33735 #35B376 #3572B3

monochromatic

#551A19 #842827 #B33735 #CD5A58 #DB8887

Accessibility & contrast

On white

5.98

#B33735 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B33735 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33735

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33735	#FFFFFF	#000000	##FFFFFF
##B33735	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5234

Deuteranopia (green-blind)

#796D31

Tritanopia (blue-blind)

#C51138

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33735;
/* rgb */ color: rgb(179, 55, 53);
/* oklch */ color: oklch(52.0% 0.161 25.5);

Tailwind

colors: {
  custom: {
    50: '#d1766c',
    500: '#b33735',
    950: '#000000',
  },
}

SCSS

$custom: #b33735;
$custom-light: #d1766c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33735",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 53
  },
  "hsl": {
    "h": 0.952,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5202,
    "c": 0.16075,
    "h": 25.5
  },
  "luminance": 0.12573
}

Semantic roles & 50–950 ramp

primary

#B33735

secondary

#7FC4C5

accent

#DBDE4A

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33735

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

Preview Lab → · Contrast checker → · Palette generator →