#B34531#B34531

#B34531 is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.7% C 0.148 H 32.4°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#B34531
RGB	rgb(179, 69, 49)
HSL	hsl(9, 57%, 45%)
HSV	hsv(9, 73%, 70%)
CMYK	cmyk(0%, 61.5%, 72.6%, 29.8%)
CIE-LAB	lab(44.33, 43.56, 34.86)
CIE-LCH	lch(44.33, 55.80, 38.67°)
OKLab	oklab(53.66% 0.1246 0.079)
OKLCH	oklch(53.66% 0.148 32.4)
XYZ	xyz(21.2751, 14.0646, 4.4996)
Luminance	0.1406 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B34531 #319FB3

analogous

#B3315E #B34531 #B38631

triadic

#B34531 #31B345 #4531B3

tetradic

#B34531 #5EB331 #319FB3 #8631B3

square

#B34531 #5EB331 #319FB3 #8631B3

split-complementary

#B34531 #31B386 #315EB3

monochromatic

#532017 #833224 #B34531 #D06552 #DD9082

Accessibility & contrast

On white

5.51

#B34531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B34531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B34531

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B34531	#FFFFFF	#000000	##FFFFFF
##B34531	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A2E

Deuteranopia (green-blind)

#7E722E

Tritanopia (blue-blind)

#C52B41

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b34531;
/* rgb */ color: rgb(179, 69, 49);
/* oklch */ color: oklch(53.7% 0.148 32.4);

Tailwind

colors: {
  custom: {
    50: '#d17d6a',
    500: '#b34531',
    950: '#000000',
  },
}

SCSS

$custom: #b34531;
$custom-light: #d17d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b34531",
  "rgb": {
    "r": 179,
    "g": 69,
    "b": 49
  },
  "hsl": {
    "h": 9.231,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53662,
    "c": 0.14755,
    "h": 32.4
  },
  "luminance": 0.14062
}

Semantic roles & 50–950 ramp

primary

#B34531

secondary

#7ABAC6

accent

#C9E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B34531

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

Preview Lab → · Contrast checker → · Palette generator →