#B13D31#B13D31

#B13D31 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.153 H 29.2°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B13D31
RGB	rgb(177, 61, 49)
HSL	hsl(6, 57%, 44%)
HSV	hsv(6, 72%, 69%)
CMYK	cmyk(0%, 65.5%, 72.3%, 30.6%)
CIE-LAB	lab(42.63, 46.45, 32.84)
CIE-LCH	lch(42.63, 56.89, 35.26°)
OKLab	oklab(52.32% 0.1339 0.0747)
OKLCH	oklch(52.32% 0.153 29.2)
XYZ	xyz(20.3568, 12.9093, 4.3250)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13D31 #31A5B1

analogous

#B13165 #B13D31 #B17D31

triadic

#B13D31 #31B13D #3D31B1

tetradic

#B13D31 #65B131 #31A5B1 #7D31B1

square

#B13D31 #65B131 #31A5B1 #7D31B1

split-complementary

#B13D31 #31B17D #3165B1

monochromatic

#511C16 #812C24 #B13D31 #CF5C51 #DC8980

Accessibility & contrast

On white

5.86

#B13D31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B13D31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13D31

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13D31	#FFFFFF	#000000	##FFFFFF
##B13D31	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D552F

Deuteranopia (green-blind)

#7A6E2D

Tritanopia (blue-blind)

#C31F3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13d31;
/* rgb */ color: rgb(177, 61, 49);
/* oklch */ color: oklch(52.3% 0.153 29.2);

Tailwind

colors: {
  custom: {
    50: '#d0786a',
    500: '#b13d31',
    950: '#000000',
  },
}

SCSS

$custom: #b13d31;
$custom-light: #d0786a;
$custom-dark: #000000;

JSON

{
  "hex": "#b13d31",
  "rgb": {
    "r": 177,
    "g": 61,
    "b": 49
  },
  "hsl": {
    "h": 5.625,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52317,
    "c": 0.15331,
    "h": 29.2
  },
  "luminance": 0.12906
}

Semantic roles & 50–950 ramp

primary

#B13D31

secondary

#79BEC5

accent

#D2E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13D31

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

Preview Lab → · Contrast checker → · Palette generator →