#B13930#B13930

#B13930 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.157 H 28.1°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B13930
RGB	rgb(177, 57, 48)
HSL	hsl(4, 57%, 44%)
HSV	hsv(4, 73%, 69%)
CMYK	cmyk(0%, 67.8%, 72.9%, 30.6%)
CIE-LAB	lab(41.98, 48.11, 32.68)
CIE-LCH	lch(41.98, 58.16, 34.19°)
OKLab	oklab(51.83% 0.1389 0.0742)
OKLCH	oklch(51.83% 0.157 28.1)
XYZ	xyz(20.1303, 12.4897, 4.1465)
Luminance	0.1249 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13930 #30A8B1

analogous

#B13068 #B13930 #B17A30

triadic

#B13930 #30B139 #3930B1

tetradic

#B13930 #68B130 #30A8B1 #7A30B1

square

#B13930 #68B130 #30A8B1 #7A30B1

split-complementary

#B13930 #30B17A #3068B1

monochromatic

#511A16 #812923 #B13930 #CF584F #DC867F

Accessibility & contrast

On white

6.00

#B13930 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B13930 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13930

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13930	#FFFFFF	#000000	##FFFFFF
##B13930	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B532E

Deuteranopia (green-blind)

#796D2C

Tritanopia (blue-blind)

#C31638

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13930;
/* rgb */ color: rgb(177, 57, 48);
/* oklch */ color: oklch(51.8% 0.157 28.1);

Tailwind

colors: {
  custom: {
    50: '#d07669',
    500: '#b13930',
    950: '#000000',
  },
}

SCSS

$custom: #b13930;
$custom-light: #d07669;
$custom-dark: #000000;

JSON

{
  "hex": "#b13930",
  "rgb": {
    "r": 177,
    "g": 57,
    "b": 48
  },
  "hsl": {
    "h": 4.186,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51831,
    "c": 0.15742,
    "h": 28.1
  },
  "luminance": 0.12487
}

Semantic roles & 50–950 ramp

primary

#B13930

secondary

#78C0C5

accent

#D6E147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13930

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

Preview Lab → · Contrast checker → · Palette generator →