#B13C2B#B13C2B

#B13C2B is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.1% C 0.155 H 31.1°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B13C2B
RGB	rgb(177, 60, 43)
HSL	hsl(8, 61%, 43%)
HSV	hsv(8, 76%, 69%)
CMYK	cmyk(0%, 66.1%, 75.7%, 30.6%)
CIE-LAB	lab(42.39, 46.62, 35.99)
CIE-LCH	lch(42.39, 58.89, 37.67°)
OKLab	oklab(52.12% 0.1332 0.0802)
OKLCH	oklch(52.12% 0.155 31.1)
XYZ	xyz(20.1856, 12.7562, 3.6843)
Luminance	0.1275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13C2B #2BA0B1

analogous

#B12B5D #B13C2B #B17F2B

triadic

#B13C2B #2BB13C #3C2BB1

tetradic

#B13C2B #5DB12B #2BA0B1 #7F2BB1

square

#B13C2B #5DB12B #2BA0B1 #7F2BB1

split-complementary

#B13C2B #2BB17F #2B5DB1

monochromatic

#4F1B13 #802B1F #B13C2B #D25947 #DE8578

Accessibility & contrast

On white

5.91

#B13C2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B13C2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13C2B

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13C2B	#FFFFFF	#000000	##FFFFFF
##B13C2B	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5428

Deuteranopia (green-blind)

#7A6E27

Tritanopia (blue-blind)

#C31B39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13c2b;
/* rgb */ color: rgb(177, 60, 43);
/* oklch */ color: oklch(52.1% 0.155 31.1);

Tailwind

colors: {
  custom: {
    50: '#d07865',
    500: '#b13c2b',
    950: '#000000',
  },
}

SCSS

$custom: #b13c2b;
$custom-light: #d07865;
$custom-dark: #000000;

JSON

{
  "hex": "#b13c2b",
  "rgb": {
    "r": 177,
    "g": 60,
    "b": 43
  },
  "hsl": {
    "h": 7.612,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52119,
    "c": 0.15544,
    "h": 31.1
  },
  "luminance": 0.12753
}

Semantic roles & 50–950 ramp

primary

#B13C2B

secondary

#72BBC6

accent

#D0E444

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13C2B

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

Preview Lab → · Contrast checker → · Palette generator →