#B13D2D#B13D2D

#B13D2D is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.154 H 30.7°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B13D2D
RGB	rgb(177, 61, 45)
HSL	hsl(7, 59%, 44%)
HSV	hsv(7, 75%, 69%)
CMYK	cmyk(0%, 65.5%, 74.6%, 30.6%)
CIE-LAB	lab(42.58, 46.27, 35.07)
CIE-LCH	lch(42.58, 58.06, 37.16°)
OKLab	oklab(52.26% 0.1325 0.0787)
OKLCH	oklch(52.26% 0.154 30.7)
XYZ	xyz(20.2761, 12.8770, 3.9000)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13D2D #2DA1B1

analogous

#B12D5F #B13D2D #B17F2D

triadic

#B13D2D #2DB13D #3D2DB1

tetradic

#B13D2D #5FB12D #2DA1B1 #7F2DB1

square

#B13D2D #5FB12D #2DA1B1 #7F2DB1

split-complementary

#B13D2D #2DB17F #2D5FB1

monochromatic

#4F1B14 #802C21 #B13D2D #D15B4A #DD877B

Accessibility & contrast

On white

5.87

#B13D2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B13D2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13D2D

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13D2D	#FFFFFF	#000000	##FFFFFF
##B13D2D	1.00	5.87	3.57	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E542B

Deuteranopia (green-blind)

#7A6E29

Tritanopia (blue-blind)

#C31E3A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13d2d;
/* rgb */ color: rgb(177, 61, 45);
/* oklch */ color: oklch(52.3% 0.154 30.7);

Tailwind

colors: {
  custom: {
    50: '#d07867',
    500: '#b13d2d',
    950: '#000000',
  },
}

SCSS

$custom: #b13d2d;
$custom-light: #d07867;
$custom-dark: #000000;

JSON

{
  "hex": "#b13d2d",
  "rgb": {
    "r": 177,
    "g": 61,
    "b": 45
  },
  "hsl": {
    "h": 7.273,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52265,
    "c": 0.15408,
    "h": 30.7
  },
  "luminance": 0.12874
}

Semantic roles & 50–950 ramp

primary

#B13D2D

secondary

#74BCC6

accent

#D0E345

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13D2D

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

Preview Lab → · Contrast checker → · Palette generator →