#B13B2F#B13B2F

#B13B2F is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.156 H 29.2°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B13B2F
RGB	rgb(177, 59, 47)
HSL	hsl(6, 58%, 44%)
HSV	hsv(6, 73%, 69%)
CMYK	cmyk(0%, 66.7%, 73.4%, 30.6%)
CIE-LAB	lab(42.28, 47.22, 33.60)
CIE-LCH	lch(42.28, 57.95, 35.43°)
OKLab	oklab(52.05% 0.1359 0.076)
OKLCH	oklch(52.05% 0.156 29.2)
XYZ	xyz(20.2107, 12.6832, 4.0727)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13B2F #2FA5B1

analogous

#B12F64 #B13B2F #B17C2F

triadic

#B13B2F #2FB13B #3B2FB1

tetradic

#B13B2F #64B12F #2FA5B1 #7C2FB1

square

#B13B2F #64B12F #2FA5B1 #7C2FB1

split-complementary

#B13B2F #2FB17C #2F64B1

monochromatic

#501B15 #812B22 #B13B2F #D0594D #DD867E

Accessibility & contrast

On white

5.94

#B13B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B13B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13B2F

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13B2F	#FFFFFF	#000000	##FFFFFF
##B13B2F	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C532D

Deuteranopia (green-blind)

#796D2B

Tritanopia (blue-blind)

#C31A39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13b2f;
/* rgb */ color: rgb(177, 59, 47);
/* oklch */ color: oklch(52.1% 0.156 29.2);

Tailwind

colors: {
  custom: {
    50: '#d07768',
    500: '#b13b2f',
    950: '#000000',
  },
}

SCSS

$custom: #b13b2f;
$custom-light: #d07768;
$custom-dark: #000000;

JSON

{
  "hex": "#b13b2f",
  "rgb": {
    "r": 177,
    "g": 59,
    "b": 47
  },
  "hsl": {
    "h": 5.538,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52051,
    "c": 0.15565,
    "h": 29.2
  },
  "luminance": 0.1268
}

Semantic roles & 50–950 ramp

primary

#B13B2F

secondary

#76BEC5

accent

#D3E147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13B2F

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

Preview Lab → · Contrast checker → · Palette generator →