#B13A23#B13A23

#B13A23 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.159 H 33.0°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B13A23
RGB	rgb(177, 58, 35)
HSL	hsl(10, 67%, 42%)
HSV	hsv(10, 80%, 69%)
CMYK	cmyk(0%, 67.2%, 80.2%, 30.6%)
CIE-LAB	lab(42.00, 47.16, 39.91)
CIE-LCH	lch(42.00, 61.79, 40.24°)
OKLab	oklab(51.8% 0.1333 0.0865)
OKLCH	oklch(51.8% 0.159 33)
XYZ	xyz(19.9502, 12.4975, 2.9516)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13A23 #239AB1

analogous

#B12353 #B13A23 #B18123

triadic

#B13A23 #23B13A #3A23B1

tetradic

#B13A23 #53B123 #239AB1 #8123B1

square

#B13A23 #53B123 #239AB1 #8123B1

split-complementary

#B13A23 #23B181 #2353B1

monochromatic

#4B190F #7E2919 #B13A23 #D85339 #E27F6C

Accessibility & contrast

On white

6.00

#B13A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B13A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13A23

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13A23	#FFFFFF	#000000	##FFFFFF
##B13A23	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C521F

Deuteranopia (green-blind)

#7A6D1E

Tritanopia (blue-blind)

#C31536

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13a23;
/* rgb */ color: rgb(177, 58, 35);
/* oklch */ color: oklch(51.8% 0.159 33.0);

Tailwind

colors: {
  custom: {
    50: '#d17760',
    500: '#b13a23',
    950: '#000000',
  },
}

SCSS

$custom: #b13a23;
$custom-light: #d17760;
$custom-dark: #000000;

JSON

{
  "hex": "#b13a23",
  "rgb": {
    "r": 177,
    "g": 58,
    "b": 35
  },
  "hsl": {
    "h": 9.718,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51795,
    "c": 0.15888,
    "h": 33
  },
  "luminance": 0.12495
}

Semantic roles & 50–950 ramp

primary

#B13A23

secondary

#68B9C8

accent

#CEEA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B13A23

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

Preview Lab → · Contrast checker → · Palette generator →