#B13E2F#B13E2F

#B13E2F is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.153 H 30.3°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B13E2F
RGB	rgb(177, 62, 47)
HSL	hsl(7, 58%, 44%)
HSV	hsv(7, 73%, 69%)
CMYK	cmyk(0%, 65%, 73.4%, 30.6%)
CIE-LAB	lab(42.76, 45.92, 34.14)
CIE-LCH	lch(42.76, 57.22, 36.63°)
OKLab	oklab(52.41% 0.1318 0.0771)
OKLCH	oklch(52.41% 0.153 30.3)
XYZ	xyz(20.3694, 13.0005, 4.1255)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13E2F #2FA2B1

analogous

#B12F61 #B13E2F #B17F2F

triadic

#B13E2F #2FB13E #3E2FB1

tetradic

#B13E2F #61B12F #2FA2B1 #7F2FB1

square

#B13E2F #61B12F #2FA2B1 #7F2FB1

split-complementary

#B13E2F #2FB17F #2F61B1

monochromatic

#501C15 #812D22 #B13E2F #D05C4D #DD897E

Accessibility & contrast

On white

5.83

#B13E2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B13E2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13E2F

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13E2F	#FFFFFF	#000000	##FFFFFF
##B13E2F	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552D

Deuteranopia (green-blind)

#7B6E2B

Tritanopia (blue-blind)

#C3203B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13e2f;
/* rgb */ color: rgb(177, 62, 47);
/* oklch */ color: oklch(52.4% 0.153 30.3);

Tailwind

colors: {
  custom: {
    50: '#d07968',
    500: '#b13e2f',
    950: '#000000',
  },
}

SCSS

$custom: #b13e2f;
$custom-light: #d07968;
$custom-dark: #000000;

JSON

{
  "hex": "#b13e2f",
  "rgb": {
    "r": 177,
    "g": 62,
    "b": 47
  },
  "hsl": {
    "h": 6.923,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52413,
    "c": 0.15271,
    "h": 30.3
  },
  "luminance": 0.12998
}

Semantic roles & 50–950 ramp

primary

#B13E2F

secondary

#76BCC5

accent

#CFE147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13E2F

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

Preview Lab → · Contrast checker → · Palette generator →