#B13B25#B13B25

#B13B25 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.158 H 32.7°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B13B25
RGB	rgb(177, 59, 37)
HSL	hsl(9, 65%, 42%)
HSV	hsv(9, 79%, 69%)
CMYK	cmyk(0%, 66.7%, 79.1%, 30.6%)
CIE-LAB	lab(42.17, 46.81, 39.03)
CIE-LCH	lch(42.17, 60.95, 39.82°)
OKLab	oklab(51.93% 0.1326 0.0852)
OKLCH	oklch(51.93% 0.158 32.7)
XYZ	xyz(20.0316, 12.6116, 3.1294)
Luminance	0.1261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13B25 #259BB1

analogous

#B12555 #B13B25 #B18125

triadic

#B13B25 #25B13B #3B25B1

tetradic

#B13B25 #55B125 #259BB1 #8125B1

square

#B13B25 #55B125 #259BB1 #8125B1

split-complementary

#B13B25 #25B181 #2555B1

monochromatic

#4C1910 #7E2A1A #B13B25 #D6553D #E1816F

Accessibility & contrast

On white

5.96

#B13B25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B13B25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13B25

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13B25	#FFFFFF	#000000	##FFFFFF
##B13B25	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5322

Deuteranopia (green-blind)

#7A6D20

Tritanopia (blue-blind)

#C31837

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13b25;
/* rgb */ color: rgb(177, 59, 37);
/* oklch */ color: oklch(51.9% 0.158 32.7);

Tailwind

colors: {
  custom: {
    50: '#d17761',
    500: '#b13b25',
    950: '#000000',
  },
}

SCSS

$custom: #b13b25;
$custom-light: #d17761;
$custom-dark: #000000;

JSON

{
  "hex": "#b13b25",
  "rgb": {
    "r": 177,
    "g": 59,
    "b": 37
  },
  "hsl": {
    "h": 9.429,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51933,
    "c": 0.15757,
    "h": 32.7
  },
  "luminance": 0.12609
}

Semantic roles & 50–950 ramp

primary

#B13B25

secondary

#6AB9C8

accent

#CEE83F

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B13B25

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

Preview Lab → · Contrast checker → · Palette generator →