#B34131#B34131

#B34131 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.1% C 0.152 H 30.7°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B34131
RGB	rgb(179, 65, 49)
HSL	hsl(7, 57%, 45%)
HSV	hsv(7, 73%, 70%)
CMYK	cmyk(0%, 63.7%, 72.6%, 29.8%)
CIE-LAB	lab(43.64, 45.39, 34.09)
CIE-LCH	lch(43.64, 56.76, 36.90°)
OKLab	oklab(53.14% 0.1303 0.0773)
OKLCH	oklch(53.14% 0.152 30.7)
XYZ	xyz(21.0373, 13.5890, 4.4203)
Luminance	0.1359 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B34131 #31A3B3

analogous

#B33162 #B34131 #B38231

triadic

#B34131 #31B341 #4131B3

tetradic

#B34131 #62B331 #31A3B3 #8231B3

square

#B34131 #62B331 #31A3B3 #8231B3

split-complementary

#B34131 #31B382 #3162B3

monochromatic

#531E17 #833024 #B34131 #D06152 #DD8D82

Accessibility & contrast

On white

5.65

#B34131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B34131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B34131

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B34131	#FFFFFF	#000000	##FFFFFF
##B34131	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572F

Deuteranopia (green-blind)

#7D702D

Tritanopia (blue-blind)

#C5253E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b34131;
/* rgb */ color: rgb(179, 65, 49);
/* oklch */ color: oklch(53.1% 0.152 30.7);

Tailwind

colors: {
  custom: {
    50: '#d17b6a',
    500: '#b34131',
    950: '#000000',
  },
}

SCSS

$custom: #b34131;
$custom-light: #d17b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b34131",
  "rgb": {
    "r": 179,
    "g": 65,
    "b": 49
  },
  "hsl": {
    "h": 7.385,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53144,
    "c": 0.15153,
    "h": 30.7
  },
  "luminance": 0.13586
}

Semantic roles & 50–950 ramp

primary

#B34131

secondary

#7ABDC6

accent

#CDE048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B34131

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

Preview Lab → · Contrast checker → · Palette generator →