#B13E28#B13E28

#B13E28 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.154 H 32.9°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B13E28
RGB	rgb(177, 62, 40)
HSL	hsl(10, 63%, 43%)
HSV	hsv(10, 77%, 69%)
CMYK	cmyk(0%, 65%, 77.4%, 30.6%)
CIE-LAB	lab(42.69, 45.62, 37.95)
CIE-LCH	lch(42.69, 59.34, 39.76°)
OKLab	oklab(52.33% 0.1295 0.0837)
OKLCH	oklch(52.33% 0.154 32.9)
XYZ	xyz(20.2393, 12.9485, 3.4406)
Luminance	0.1295 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13E28 #289BB1

analogous

#B12856 #B13E28 #B18228

triadic

#B13E28 #28B13E #3E28B1

tetradic

#B13E28 #56B128 #289BB1 #8228B1

square

#B13E28 #56B128 #289BB1 #8228B1

split-complementary

#B13E28 #28B182 #2856B1

monochromatic

#4D1B11 #7F2D1D #B13E28 #D45942 #E08574

Accessibility & contrast

On white

5.85

#B13E28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B13E28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13E28

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13E28	#FFFFFF	#000000	##FFFFFF
##B13E28	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5525

Deuteranopia (green-blind)

#7B6E24

Tritanopia (blue-blind)

#C31F3A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13e28;
/* rgb */ color: rgb(177, 62, 40);
/* oklch */ color: oklch(52.3% 0.154 32.9);

Tailwind

colors: {
  custom: {
    50: '#d07963',
    500: '#b13e28',
    950: '#000000',
  },
}

SCSS

$custom: #b13e28;
$custom-light: #d07963;
$custom-dark: #000000;

JSON

{
  "hex": "#b13e28",
  "rgb": {
    "r": 177,
    "g": 62,
    "b": 40
  },
  "hsl": {
    "h": 9.635,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52329,
    "c": 0.15415,
    "h": 32.9
  },
  "luminance": 0.12946
}

Semantic roles & 50–950 ramp

primary

#B13E28

secondary

#6EB9C7

accent

#CCE642

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B13E28

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

Preview Lab → · Contrast checker → · Palette generator →