#B13628#B13628

#B13628 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.162 H 30.0°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B13628
RGB	rgb(177, 54, 40)
HSL	hsl(6, 63%, 43%)
HSV	hsv(6, 77%, 69%)
CMYK	cmyk(0%, 69.5%, 77.4%, 30.6%)
CIE-LAB	lab(41.44, 48.99, 36.64)
CIE-LCH	lch(41.44, 61.18, 36.79°)
OKLab	oklab(51.39% 0.14 0.0808)
OKLCH	oklch(51.39% 0.162 30)
XYZ	xyz(19.8359, 12.1416, 3.3062)
Luminance	0.1214 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13628 #28A3B1

analogous

#B1285F #B13628 #B17A28

triadic

#B13628 #28B136 #3628B1

tetradic

#B13628 #5FB128 #28A3B1 #7A28B1

square

#B13628 #5FB128 #28A3B1 #7A28B1

split-complementary

#B13628 #28B17A #285FB1

monochromatic

#4D1811 #7F271D #B13628 #D45142 #E07F74

Accessibility & contrast

On white

6.13

#B13628 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B13628 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13628

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13628	#FFFFFF	#000000	##FFFFFF
##B13628	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5125

Deuteranopia (green-blind)

#786C23

Tritanopia (blue-blind)

#C30A34

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13628;
/* rgb */ color: rgb(177, 54, 40);
/* oklch */ color: oklch(51.4% 0.162 30.0);

Tailwind

colors: {
  custom: {
    50: '#d17563',
    500: '#b13628',
    950: '#000000',
  },
}

SCSS

$custom: #b13628;
$custom-light: #d17563;
$custom-dark: #000000;

JSON

{
  "hex": "#b13628",
  "rgb": {
    "r": 177,
    "g": 54,
    "b": 40
  },
  "hsl": {
    "h": 6.131,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51394,
    "c": 0.16163,
    "h": 30
  },
  "luminance": 0.12139
}

Semantic roles & 50–950 ramp

primary

#B13628

secondary

#6EBEC7

accent

#D5E642

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B13628

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

Preview Lab → · Contrast checker → · Palette generator →