#B13130#B13130

#B13130 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.165 H 25.6°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B13130
RGB	rgb(177, 49, 48)
HSL	hsl(0, 57%, 44%)
HSV	hsv(0, 73%, 69%)
CMYK	cmyk(0%, 72.3%, 72.9%, 30.6%)
CIE-LAB	lab(40.83, 51.26, 31.36)
CIE-LCH	lch(40.83, 60.09, 31.46°)
OKLab	oklab(50.97% 0.1488 0.0713)
OKLCH	oklch(50.97% 0.165 25.6)
XYZ	xyz(19.7655, 11.7601, 4.0249)
Luminance	0.1176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13130 #30B0B1

analogous

#B13070 #B13130 #B17230

triadic

#B13130 #30B131 #3130B1

tetradic

#B13130 #70B130 #30B0B1 #7230B1

square

#B13130 #70B130 #30B0B1 #7230B1

split-complementary

#B13130 #30B172 #3070B1

monochromatic

#511616 #812423 #B13130 #CF504F #DC807F

Accessibility & contrast

On white

6.27

#B13130 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B13130 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13130

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13130	#FFFFFF	#000000	##FFFFFF
##B13130	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F2F

Deuteranopia (green-blind)

#766A2C

Tritanopia (blue-blind)

#C30032

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13130;
/* rgb */ color: rgb(177, 49, 48);
/* oklch */ color: oklch(51.0% 0.165 25.6);

Tailwind

colors: {
  custom: {
    50: '#d07268',
    500: '#b13130',
    950: '#000000',
  },
}

SCSS

$custom: #b13130;
$custom-light: #d07268;
$custom-dark: #000000;

JSON

{
  "hex": "#b13130",
  "rgb": {
    "r": 177,
    "g": 49,
    "b": 48
  },
  "hsl": {
    "h": 0.465,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5097,
    "c": 0.16499,
    "h": 25.6
  },
  "luminance": 0.11757
}

Semantic roles & 50–950 ramp

primary

#B13130

secondary

#78C5C5

accent

#DFE147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B13130

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

Preview Lab → · Contrast checker → · Palette generator →