#B34B37#B34B37

#B34B37 is a mid, vivid red. Relative luminance 0.149; OKLCH L 54.6% C 0.140 H 32.7°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#B34B37
RGB	rgb(179, 75, 55)
HSL	hsl(10, 53%, 46%)
HSV	hsv(10, 69%, 70%)
CMYK	cmyk(0%, 58.1%, 69.3%, 29.8%)
CIE-LAB	lab(45.49, 41.01, 32.80)
CIE-LCH	lch(45.49, 52.52, 38.65°)
OKLab	oklab(54.57% 0.1179 0.0756)
OKLCH	oklch(54.57% 0.14 32.7)
XYZ	xyz(21.7982, 14.8945, 5.3408)
Luminance	0.1489 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B34B37 #379FB3

analogous

#B33761 #B34B37 #B38937

triadic

#B34B37 #37B34B #4B37B3

tetradic

#B34B37 #61B337 #379FB3 #8937B3

square

#B34B37 #61B337 #379FB3 #8937B3

split-complementary

#B34B37 #37B389 #3761B3

monochromatic

#55241A #843729 #B34B37 #CD6D5B #DB978A

Accessibility & contrast

On white

5.28

#B34B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#B34B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B34B37

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B34B37	#FFFFFF	#000000	##FFFFFF
##B34B37	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E35

Deuteranopia (green-blind)

#807434

Tritanopia (blue-blind)

#C43547

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #b34b37;
/* rgb */ color: rgb(179, 75, 55);
/* oklch */ color: oklch(54.6% 0.140 32.7);

Tailwind

colors: {
  custom: {
    50: '#d0816e',
    500: '#b34b37',
    950: '#000000',
  },
}

SCSS

$custom: #b34b37;
$custom-light: #d0816e;
$custom-dark: #000000;

JSON

{
  "hex": "#b34b37",
  "rgb": {
    "r": 179,
    "g": 75,
    "b": 55
  },
  "hsl": {
    "h": 9.677,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.54566,
    "c": 0.14004,
    "h": 32.7
  },
  "luminance": 0.14892
}

Semantic roles & 50–950 ramp

primary

#B34B37

secondary

#81BAC5

accent

#C5DC4B

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B34B37

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

Preview Lab → · Contrast checker → · Palette generator →