#B13B24#B13B24

#B13B24 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.158 H 33.0°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B13B24
RGB	rgb(177, 59, 36)
HSL	hsl(10, 66%, 42%)
HSV	hsv(10, 80%, 69%)
CMYK	cmyk(0%, 66.7%, 79.7%, 30.6%)
CIE-LAB	lab(42.16, 46.77, 39.55)
CIE-LCH	lch(42.16, 61.26, 40.22°)
OKLab	oklab(51.92% 0.1323 0.086)
OKLCH	oklch(51.92% 0.158 33)
XYZ	xyz(20.0161, 12.6054, 3.0478)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13B24 #249AB1

analogous

#B12454 #B13B24 #B18224

triadic

#B13B24 #24B13B #3B24B1

tetradic

#B13B24 #54B124 #249AB1 #8224B1

square

#B13B24 #54B124 #249AB1 #8224B1

split-complementary

#B13B24 #24B182 #2454B1

monochromatic

#4B190F #7E2A1A #B13B24 #D7553B #E1816E

Accessibility & contrast

On white

5.97

#B13B24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B13B24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13B24

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13B24	#FFFFFF	#000000	##FFFFFF
##B13B24	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5320

Deuteranopia (green-blind)

#7A6D1F

Tritanopia (blue-blind)

#C31737

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13b24;
/* rgb */ color: rgb(177, 59, 36);
/* oklch */ color: oklch(51.9% 0.158 33.0);

Tailwind

colors: {
  custom: {
    50: '#d17760',
    500: '#b13b24',
    950: '#000000',
  },
}

SCSS

$custom: #b13b24;
$custom-light: #d17760;
$custom-dark: #000000;

JSON

{
  "hex": "#b13b24",
  "rgb": {
    "r": 177,
    "g": 59,
    "b": 36
  },
  "hsl": {
    "h": 9.787,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51923,
    "c": 0.15777,
    "h": 33
  },
  "luminance": 0.12602
}

Semantic roles & 50–950 ramp

primary

#B13B24

secondary

#69B8C8

accent

#CDE93F

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B13B24

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

Preview Lab → · Contrast checker → · Palette generator →