#B13D28#B13D28

#B13D28 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.155 H 32.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B13D28
RGB	rgb(177, 61, 40)
HSL	hsl(9, 63%, 43%)
HSV	hsv(9, 77%, 69%)
CMYK	cmyk(0%, 65.5%, 77.4%, 30.6%)
CIE-LAB	lab(42.52, 46.06, 37.78)
CIE-LCH	lch(42.52, 59.57, 39.36°)
OKLab	oklab(52.21% 0.1308 0.0833)
OKLCH	oklch(52.21% 0.155 32.5)
XYZ	xyz(20.1854, 12.8407, 3.4227)
Luminance	0.1284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13D28 #289CB1

analogous

#B12858 #B13D28 #B18128

triadic

#B13D28 #28B13D #3D28B1

tetradic

#B13D28 #58B128 #289CB1 #8128B1

square

#B13D28 #58B128 #289CB1 #8128B1

split-complementary

#B13D28 #28B181 #2858B1

monochromatic

#4D1B11 #7F2C1D #B13D28 #D45842 #E08474

Accessibility & contrast

On white

5.89

#B13D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B13D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13D28

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13D28	#FFFFFF	#000000	##FFFFFF
##B13D28	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5425

Deuteranopia (green-blind)

#7B6E24

Tritanopia (blue-blind)

#C31D39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13d28;
/* rgb */ color: rgb(177, 61, 40);
/* oklch */ color: oklch(52.2% 0.155 32.5);

Tailwind

colors: {
  custom: {
    50: '#d07863',
    500: '#b13d28',
    950: '#000000',
  },
}

SCSS

$custom: #b13d28;
$custom-light: #d07863;
$custom-dark: #000000;

JSON

{
  "hex": "#b13d28",
  "rgb": {
    "r": 177,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 9.197,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52206,
    "c": 0.1551,
    "h": 32.5
  },
  "luminance": 0.12838
}

Semantic roles & 50–950 ramp

primary

#B13D28

secondary

#6EB9C7

accent

#CDE642

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B13D28

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

Preview Lab → · Contrast checker → · Palette generator →