#B13A25#B13A25

#B13A25 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.159 H 32.3°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B13A25
RGB	rgb(177, 58, 37)
HSL	hsl(9, 65%, 42%)
HSV	hsv(9, 79%, 69%)
CMYK	cmyk(0%, 67.2%, 79.1%, 30.6%)
CIE-LAB	lab(42.02, 47.23, 38.87)
CIE-LCH	lch(42.02, 61.17, 39.45°)
OKLab	oklab(51.82% 0.1339 0.0848)
OKLCH	oklch(51.82% 0.159 32.3)
XYZ	xyz(19.9807, 12.5098, 3.1124)
Luminance	0.1251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13A25 #259CB1

analogous

#B12556 #B13A25 #B18025

triadic

#B13A25 #25B13A #3A25B1

tetradic

#B13A25 #56B125 #259CB1 #8025B1

square

#B13A25 #56B125 #259CB1 #8025B1

split-complementary

#B13A25 #25B180 #2556B1

monochromatic

#4C1910 #7E291A #B13A25 #D6543D #E1806F

Accessibility & contrast

On white

6.00

#B13A25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B13A25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13A25

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13A25	#FFFFFF	#000000	##FFFFFF
##B13A25	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)

#5C5322

Deuteranopia (green-blind)

#7A6D20

Tritanopia (blue-blind)

#C31536

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13a25;
/* rgb */ color: rgb(177, 58, 37);
/* oklch */ color: oklch(51.8% 0.159 32.3);

Tailwind

colors: {
  custom: {
    50: '#d17761',
    500: '#b13a25',
    950: '#000000',
  },
}

SCSS

$custom: #b13a25;
$custom-light: #d17761;
$custom-dark: #000000;

JSON

{
  "hex": "#b13a25",
  "rgb": {
    "r": 177,
    "g": 58,
    "b": 37
  },
  "hsl": {
    "h": 9,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51815,
    "c": 0.1585,
    "h": 32.3
  },
  "luminance": 0.12507
}

Semantic roles & 50–950 ramp

primary

#B13A25

secondary

#6ABAC8

accent

#CFE83F

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B13A25

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

Preview Lab → · Contrast checker → · Palette generator →