#B13535#B13535

#B13535 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.161 H 24.8°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B13535
RGB	rgb(177, 53, 53)
HSL	hsl(0, 54%, 45%)
HSV	hsv(0, 70%, 69%)
CMYK	cmyk(0%, 70.1%, 70.1%, 30.6%)
CIE-LAB	lab(41.46, 49.97, 29.12)
CIE-LCH	lch(41.46, 57.84, 30.23°)
OKLab	oklab(51.46% 0.1458 0.0673)
OKLCH	oklch(51.46% 0.161 24.8)
XYZ	xyz(20.0493, 12.1533, 4.6576)
Luminance	0.1215 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13535 #35B1B1

analogous

#B13573 #B13535 #B17335

triadic

#B13535 #35B135 #3535B1

tetradic

#B13535 #73B135 #35B1B1 #7335B1

square

#B13535 #73B135 #35B1B1 #7335B1

split-complementary

#B13535 #35B173 #3573B1

monochromatic

#531919 #822727 #B13535 #CD5757 #DB8686

Accessibility & contrast

On white

6.12

#B13535 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B13535 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13535

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13535	#FFFFFF	#000000	##FFFFFF
##B13535	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585134

Deuteranopia (green-blind)

#776C31

Tritanopia (blue-blind)

#C30D36

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13535;
/* rgb */ color: rgb(177, 53, 53);
/* oklch */ color: oklch(51.5% 0.161 24.8);

Tailwind

colors: {
  custom: {
    50: '#d0746c',
    500: '#b13535',
    950: '#000000',
  },
}

SCSS

$custom: #b13535;
$custom-light: #d0746c;
$custom-dark: #000000;

JSON

{
  "hex": "#b13535",
  "rgb": {
    "r": 177,
    "g": 53,
    "b": 53
  },
  "hsl": {
    "h": 0,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5146,
    "c": 0.16057,
    "h": 24.8
  },
  "luminance": 0.1215
}

Semantic roles & 50–950 ramp

primary

#B13535

secondary

#7DC4C4

accent

#DDDD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13535

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

Preview Lab → · Contrast checker → · Palette generator →