#B13A2D#B13A2D

#B13A2D is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.157 H 29.6°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B13A2D
RGB	rgb(177, 58, 45)
HSL	hsl(6, 59%, 44%)
HSV	hsv(6, 75%, 69%)
CMYK	cmyk(0%, 67.2%, 74.6%, 30.6%)
CIE-LAB	lab(42.10, 47.55, 34.54)
CIE-LCH	lch(42.10, 58.77, 35.99°)
OKLab	oklab(51.91% 0.1365 0.0775)
OKLCH	oklch(51.91% 0.157 29.6)
XYZ	xyz(20.1204, 12.5656, 3.8481)
Luminance	0.1256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13A2D #2DA4B1

analogous

#B12D62 #B13A2D #B17C2D

triadic

#B13A2D #2DB13A #3A2DB1

tetradic

#B13A2D #62B12D #2DA4B1 #7C2DB1

square

#B13A2D #62B12D #2DA4B1 #7C2DB1

split-complementary

#B13A2D #2DB17C #2D62B1

monochromatic

#4F1A14 #802A21 #B13A2D #D1574A #DD857B

Accessibility & contrast

On white

5.98

#B13A2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B13A2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13A2D

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13A2D	#FFFFFF	#000000	##FFFFFF
##B13A2D	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C532B

Deuteranopia (green-blind)

#796D29

Tritanopia (blue-blind)

#C31738

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13a2d;
/* rgb */ color: rgb(177, 58, 45);
/* oklch */ color: oklch(51.9% 0.157 29.6);

Tailwind

colors: {
  custom: {
    50: '#d07767',
    500: '#b13a2d',
    950: '#000000',
  },
}

SCSS

$custom: #b13a2d;
$custom-light: #d07767;
$custom-dark: #000000;

JSON

{
  "hex": "#b13a2d",
  "rgb": {
    "r": 177,
    "g": 58,
    "b": 45
  },
  "hsl": {
    "h": 5.909,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51907,
    "c": 0.15698,
    "h": 29.6
  },
  "luminance": 0.12563
}

Semantic roles & 50–950 ramp

primary

#B13A2D

secondary

#74BEC6

accent

#D3E345

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13A2D

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

Preview Lab → · Contrast checker → · Palette generator →