#B13E31#B13E31

#B13E31 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.152 H 29.6°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B13E31
RGB	rgb(177, 62, 49)
HSL	hsl(6, 57%, 44%)
HSV	hsv(6, 72%, 69%)
CMYK	cmyk(0%, 65%, 72.3%, 30.6%)
CIE-LAB	lab(42.79, 46.02, 33.03)
CIE-LCH	lch(42.79, 56.64, 35.67°)
OKLab	oklab(52.44% 0.1325 0.0751)
OKLCH	oklch(52.44% 0.152 29.6)
XYZ	xyz(20.4106, 13.0170, 4.3429)
Luminance	0.1301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13E31 #31A4B1

analogous

#B13164 #B13E31 #B17E31

triadic

#B13E31 #31B13E #3E31B1

tetradic

#B13E31 #64B131 #31A4B1 #7E31B1

square

#B13E31 #64B131 #31A4B1 #7E31B1

split-complementary

#B13E31 #31B17E #3164B1

monochromatic

#511C16 #812D24 #B13E31 #CF5D51 #DC8A80

Accessibility & contrast

On white

5.83

#B13E31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B13E31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13E31

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13E31	#FFFFFF	#000000	##FFFFFF
##B13E31	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552F

Deuteranopia (green-blind)

#7A6E2D

Tritanopia (blue-blind)

#C3213C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13e31;
/* rgb */ color: rgb(177, 62, 49);
/* oklch */ color: oklch(52.4% 0.152 29.6);

Tailwind

colors: {
  custom: {
    50: '#d0796a',
    500: '#b13e31',
    950: '#000000',
  },
}

SCSS

$custom: #b13e31;
$custom-light: #d0796a;
$custom-dark: #000000;

JSON

{
  "hex": "#b13e31",
  "rgb": {
    "r": 177,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 6.094,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52439,
    "c": 0.15231,
    "h": 29.6
  },
  "luminance": 0.13014
}

Semantic roles & 50–950 ramp

primary

#B13E31

secondary

#79BDC5

accent

#D0E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13E31

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

Preview Lab → · Contrast checker → · Palette generator →