#B33734#B33734

#B33734 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.161 H 25.9°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B33734
RGB	rgb(179, 55, 52)
HSL	hsl(1, 55%, 45%)
HSV	hsv(1, 71%, 70%)
CMYK	cmyk(0%, 69.3%, 70.9%, 29.8%)
CIE-LAB	lab(42.10, 49.79, 30.57)
CIE-LCH	lch(42.10, 58.43, 31.55°)
OKLab	oklab(52.01% 0.1448 0.0702)
OKLCH	oklch(52.01% 0.161 25.9)
XYZ	xyz(20.5787, 12.5670, 4.5902)
Luminance	0.1256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33734 #34B0B3

analogous

#B33471 #B33734 #B37634

triadic

#B33734 #34B337 #3734B3

tetradic

#B33734 #71B334 #34B0B3 #7634B3

square

#B33734 #71B334 #34B0B3 #7634B3

split-complementary

#B33734 #34B376 #3471B3

monochromatic

#541A18 #842826 #B33734 #CE5956 #DC8886

Accessibility & contrast

On white

5.98

#B33734 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B33734 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33734

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33734	#FFFFFF	#000000	##FFFFFF
##B33734	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)

#5A5233

Deuteranopia (green-blind)

#796D30

Tritanopia (blue-blind)

#C51038

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33734;
/* rgb */ color: rgb(179, 55, 52);
/* oklch */ color: oklch(52.0% 0.161 25.9);

Tailwind

colors: {
  custom: {
    50: '#d1766c',
    500: '#b33734',
    950: '#000000',
  },
}

SCSS

$custom: #b33734;
$custom-light: #d1766c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33734",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.417,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52005,
    "c": 0.16089,
    "h": 25.9
  },
  "luminance": 0.12564
}

Semantic roles & 50–950 ramp

primary

#B33734

secondary

#7DC4C5

accent

#DBDE49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33734

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

Preview Lab → · Contrast checker → · Palette generator →