#B13129#B13129

#B13129 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.166 H 28.1°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#B13129
RGB	rgb(177, 49, 41)
HSL	hsl(4, 62%, 43%)
HSV	hsv(4, 77%, 69%)
CMYK	cmyk(0%, 72.3%, 76.8%, 30.6%)
CIE-LAB	lab(40.75, 50.97, 35.34)
CIE-LCH	lch(40.75, 62.02, 34.73°)
OKLab	oklab(50.88% 0.1464 0.0783)
OKLCH	oklch(50.88% 0.166 28.1)
XYZ	xyz(19.6323, 11.7068, 3.3233)
Luminance	0.1170 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13129 #29A9B1

analogous

#B12965 #B13129 #B17529

triadic

#B13129 #29B131 #3129B1

tetradic

#B13129 #65B129 #29A9B1 #7529B1

square

#B13129 #65B129 #29A9B1 #7529B1

split-complementary

#B13129 #29B175 #2965B1

monochromatic

#4E1512 #7F231D #B13129 #D44C44 #DF7C75

Accessibility & contrast

On white

6.29

#B13129 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B13129 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13129

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13129	#FFFFFF	#000000	##FFFFFF
##B13129	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E27

Deuteranopia (green-blind)

#776A24

Tritanopia (blue-blind)

#C30030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13129;
/* rgb */ color: rgb(177, 49, 41);
/* oklch */ color: oklch(50.9% 0.166 28.1);

Tailwind

colors: {
  custom: {
    50: '#d17263',
    500: '#b13129',
    950: '#000000',
  },
}

SCSS

$custom: #b13129;
$custom-light: #d17263;
$custom-dark: #000000;

JSON

{
  "hex": "#b13129",
  "rgb": {
    "r": 177,
    "g": 49,
    "b": 41
  },
  "hsl": {
    "h": 3.529,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50878,
    "c": 0.16597,
    "h": 28.1
  },
  "luminance": 0.11704
}

Semantic roles & 50–950 ramp

primary

#B13129

secondary

#6FC1C7

accent

#DCE542

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B13129

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

Preview Lab → · Contrast checker → · Palette generator →